Chrome DevTools Protocol

Methods

Network.clearBrowserCache

Clears browser cache.

Network.clearBrowserCookies

Clears browser cookies.

Network.deleteCookies

Deletes browser cookies with matching name and url or domain/path/partitionKey pair.

parameters
name
string

Name of the cookies to remove.

url
string

If specified, deletes all the cookies with the given name where domain and path match provided URL.

domain
string

If specified, deletes only cookies with the exact domain.

path
string

If specified, deletes only cookies with the exact path.

partitionKey
string

If specified, deletes only cookies with the the given name and partitionKey where domain matches provided URL.

Experimental

Network.disable

Disables network tracking, prevents network events from being sent to the client.

Network.emulateNetworkConditions

Activates emulation of network conditions.

parameters
offline
boolean

True to emulate internet disconnection.

latency
number

Minimum latency from request sent to response headers received (ms).

downloadThroughput
number

Maximal aggregated download throughput (bytes/sec). -1 disables download throttling.

uploadThroughput
number

Maximal aggregated upload throughput (bytes/sec). -1 disables upload throttling.

connectionType
ConnectionType

Connection type if known.

packetLoss
number

WebRTC packet loss (percent, 0-100). 0 disables packet loss emulation, 100 drops all the packets.

Experimental
packetQueueLength
integer

WebRTC packet queue length (packet). 0 removes any queue length limitations.

Experimental
packetReordering
boolean

WebRTC packetReordering feature.

Experimental

Network.enable

Enables network tracking, network events will now be delivered to the client.

parameters
maxTotalBufferSize
integer

Buffer size in bytes to use when preserving network payloads (XHRs, etc).

Experimental
maxResourceBufferSize
integer

Per-resource buffer size in bytes to use when preserving network payloads (XHRs, etc).

Experimental
maxPostDataSize
integer

Longest post body size (in bytes) that would be included in requestWillBeSent notification

Network.getCookies

Returns all browser cookies for the current URL. Depending on the backend support, will return detailed cookie information in the cookies field.

parameters
urls
array[ string ]

The list of URLs for which applicable cookies will be fetched. If not specified, it's assumed to be set to the list containing the URLs of the page and all of its subframes.

Return Object
cookies
array[ Cookie ]

Array of cookie objects.

Network.getRequestPostData

Returns post data sent with the request. Returns an error when no data was sent with the request.

parameters
requestId
RequestId

Identifier of the network request to get content for.

Return Object
postData
string

Request body string, omitting files from multipart requests

Network.getResponseBody

Returns content served for the given request.

parameters
requestId
RequestId

Identifier of the network request to get content for.

Return Object
body
string

Response body.

base64Encoded
boolean

True, if content was sent as base64.

Network.setBypassServiceWorker

Toggles ignoring of service worker for each request.

parameters
bypass
boolean

Bypass service worker and load from network.

Network.setCacheDisabled

Toggles ignoring cache for each request. If true, cache will not be used.

parameters
cacheDisabled
boolean

Cache disabled state.

Network.setCookie

Sets a cookie with the given cookie data; may overwrite equivalent cookies if they exist.

parameters
name
string

Cookie name.

value
string

Cookie value.

url
string

The request-URI to associate with the setting of the cookie. This value can affect the default domain, path, source port, and source scheme values of the created cookie.

domain
string

Cookie domain.

path
string

Cookie path.

secure
boolean

True if cookie is secure.

httpOnly
boolean

True if cookie is http-only.

sameSite
CookieSameSite

Cookie SameSite type.

expires
TimeSinceEpoch

Cookie expiration date, session cookie if not set

priority
CookiePriority

Cookie Priority type.

Experimental
sameParty
boolean

True if cookie is SameParty.

Experimental
sourceScheme
CookieSourceScheme

Cookie source scheme type.

Experimental
sourcePort
integer

Cookie source port. Valid values are {-1, [1, 65535]}, -1 indicates an unspecified port. An unspecified port value allows protocol clients to emulate legacy cookie scope for the port. This is a temporary ability and it will be removed in the future.

Experimental
partitionKey
string

Cookie partition key. The site of the top-level URL the browser was visiting at the start of the request to the endpoint that set the cookie. If not set, the cookie will be set as not partitioned.

Experimental
Return Object
success
boolean

Always set to true. If an error occurs, the response indicates protocol error.

Deprecated

Network.setCookies

Sets given cookies.

parameters
cookies
array[ CookieParam ]

Cookies to be set.

Network.setExtraHTTPHeaders

Specifies whether to always send extra HTTP headers with the requests from this page.

parameters
headers
Headers

Map with extra HTTP headers.

Network.setUserAgentOverride

Allows overriding user agent with the given string.

parameters
userAgent
string

User agent to use.

acceptLanguage
string

Browser language to emulate.

platform
string

The platform navigator.platform should return.

userAgentMetadata
Emulation.UserAgentMetadata

To be sent in Sec-CH-UA-* headers and returned in navigator.userAgentData

Experimental

Network.canClearBrowserCache Deprecated

Tells whether clearing browser cache is supported.

Return Object
result
boolean

True if browser cache can be cleared.

Network.canClearBrowserCookies Deprecated

Tells whether clearing browser cookies is supported.

Return Object
result
boolean

True if browser cookies can be cleared.

Network.canEmulateNetworkConditions Deprecated

Tells whether emulation of network conditions is supported.

Return Object
result
boolean

True if emulation of network conditions is supported.

Network.getAllCookies Deprecated

Returns all browser cookies. Depending on the backend support, will return detailed cookie information in the cookies field. Deprecated. Use Storage.getCookies instead.

Return Object
cookies
array[ Cookie ]

Array of cookie objects.

Network.clearAcceptedEncodingsOverride Experimental

Clears accepted encodings set by setAcceptedEncodings

Network.enableReportingApi Experimental

Enables tracking for the Reporting API, events generated by the Reporting API will now be delivered to the client. Enabling triggers 'reportingApiReportAdded' for all existing reports.

parameters
enable
boolean

Whether to enable or disable events for the Reporting API

Network.getCertificate Experimental

Returns the DER-encoded certificate.

parameters
origin
string

Origin to get certificate for.

Return Object
tableNames
array[ string ]

Network.getResponseBodyForInterception Experimental

Returns content served for the given currently intercepted request.

parameters
interceptionId
InterceptionId

Identifier for the intercepted request to get body for.

Return Object
body
string

Response body.

base64Encoded
boolean

True, if content was sent as base64.

Network.getSecurityIsolationStatus Experimental

Returns information about the COEP/COOP isolation status.

parameters
frameId
Page.FrameId

If no frameId is provided, the status of the target is provided.

Return Object
status
SecurityIsolationStatus

Network.loadNetworkResource Experimental

Fetches the resource and returns the content.

parameters
frameId
Page.FrameId

Frame id to get the resource for. Mandatory for frame targets, and should be omitted for worker targets.

url
string

URL of the resource to get content for.

options
LoadNetworkResourceOptions

Options for the request.

Return Object
resource
LoadNetworkResourcePageResult

Network.replayXHR Experimental

This method sends a new XMLHttpRequest which is identical to the original one. The following parameters should be identical: method, url, async, request body, extra headers, withCredentials attribute, user, password.

parameters
requestId
RequestId

Identifier of XHR to replay.

Network.searchInResponseBody Experimental

Searches for given string in response content.

parameters
requestId
RequestId

Identifier of the network response to search.

query
string

String to search for.

caseSensitive
boolean

If true, search is case sensitive.

isRegex
boolean

If true, treats string parameter as regex.

Return Object
result
array[ Debugger.SearchMatch ]

List of search matches.

Network.setAcceptedEncodings Experimental

Sets a list of content encodings that will be accepted. Empty list means no encoding is accepted.

parameters
encodings
array[ ContentEncoding ]

List of accepted content encodings.

Network.setAttachDebugStack Experimental

Specifies whether to attach a page script stack id in requests

parameters
enabled
boolean

Whether to attach a page script stack for debugging purpose.

Network.setBlockedURLs Experimental

Blocks URLs from loading.

parameters
urls
array[ string ]

URL patterns to block. Wildcards ('*') are allowed.

Network.streamResourceContent Experimental

Enables streaming of the response for the given requestId. If enabled, the dataReceived event contains the data that was received during streaming.

parameters
requestId
RequestId

Identifier of the request to stream.

Return Object
bufferedData
string

Data that has been buffered until streaming is enabled. (Encoded as a base64 string when passed over JSON)

Network.takeResponseBodyForInterceptionAsStream Experimental

Returns a handle to the stream representing the response body. Note that after this command, the intercepted request can't be continued as is -- you either need to cancel it or to provide the response body. The stream only supports sequential read, IO.read will fail if the position is specified.

parameters
interceptionId
InterceptionId
Return Object
stream
IO.StreamHandle

Network.continueInterceptedRequest ExperimentalDeprecated

Response to Network.requestIntercepted which either modifies the request to continue with any modifications, or blocks it, or completes it with the provided response bytes. If a network fetch occurs as a result which encounters a redirect an additional Network.requestIntercepted event will be sent with the same InterceptionId. Deprecated, use Fetch.continueRequest, Fetch.fulfillRequest and Fetch.failRequest instead.

parameters
interceptionId
InterceptionId
errorReason
ErrorReason

If set this causes the request to fail with the given reason. Passing Aborted for requests marked with isNavigationRequest also cancels the navigation. Must not be set in response to an authChallenge.

rawResponse
string

If set the requests completes using with the provided base64 encoded raw response, including HTTP status line and headers etc... Must not be set in response to an authChallenge. (Encoded as a base64 string when passed over JSON)

url
string

If set the request url will be modified in a way that's not observable by page. Must not be set in response to an authChallenge.

method
string

If set this allows the request method to be overridden. Must not be set in response to an authChallenge.

postData
string

If set this allows postData to be set. Must not be set in response to an authChallenge.

headers
Headers

If set this allows the request headers to be changed. Must not be set in response to an authChallenge.

authChallengeResponse
AuthChallengeResponse

Response to a requestIntercepted with an authChallenge. Must not be set otherwise.

Network.setRequestInterception ExperimentalDeprecated

Sets the requests to intercept that match the provided patterns and optionally resource types. Deprecated, please use Fetch.enable instead.

parameters
patterns
array[ RequestPattern ]

Requests matching any of these patterns will be forwarded and wait for the corresponding continueInterceptedRequest call.

Events

Network.dataReceived

Fired when data chunk was received over the network.

parameters
requestId
RequestId

Request identifier.

timestamp
MonotonicTime

Timestamp.

dataLength
integer

Data chunk length.

encodedDataLength
integer

Actual bytes received (might be less than dataLength for compressed encodings).

data
string

Data that was received. (Encoded as a base64 string when passed over JSON)

Experimental

Network.eventSourceMessageReceived

Fired when EventSource message is received.

parameters
requestId
RequestId

Request identifier.

timestamp
MonotonicTime

Timestamp.

eventName
string

Message type.

eventId
string

Message identifier.

data
string

Message content.

Network.loadingFailed

Fired when HTTP request has failed to load.

parameters
requestId
RequestId

Request identifier.

timestamp
MonotonicTime

Timestamp.

type
ResourceType

Resource type.

errorText
string
canceled
boolean

True if loading was canceled.

blockedReason
BlockedReason

The reason why loading was blocked, if any.

corsErrorStatus
CorsErrorStatus

The reason why loading was blocked by CORS, if any.

Network.loadingFinished

Fired when HTTP request has finished loading.

parameters
requestId
RequestId

Request identifier.

timestamp
MonotonicTime

Timestamp.

encodedDataLength
number

Total number of bytes received for this request.

Network.requestServedFromCache

Fired if request ended up loading from cache.

parameters
requestId
RequestId

Request identifier.

Network.requestWillBeSent

Fired when page is about to send HTTP request.

parameters
requestId
RequestId

Request identifier.

loaderId
LoaderId

Loader identifier. Empty string if the request is fetched from worker.

documentURL
string

URL of the document this request is loaded for.

request
Request

Request data.

timestamp
MonotonicTime

Timestamp.

wallTime
TimeSinceEpoch

Timestamp.

initiator
Initiator

Request initiator.

redirectHasExtraInfo
boolean

In the case that redirectResponse is populated, this flag indicates whether requestWillBeSentExtraInfo and responseReceivedExtraInfo events will be or were emitted for the request which was just redirected.

Experimental
redirectResponse
Response

Redirect response data.

type
ResourceType

Type of this resource.

frameId
Page.FrameId

Frame identifier.

hasUserGesture
boolean

Whether the request is initiated by a user gesture. Defaults to false.

Network.responseReceived

Fired when HTTP response is available.

parameters
requestId
RequestId

Request identifier.

loaderId
LoaderId

Loader identifier. Empty string if the request is fetched from worker.

timestamp
MonotonicTime

Timestamp.

type
ResourceType

Resource type.

response
Response

Response data.

hasExtraInfo
boolean

Indicates whether requestWillBeSentExtraInfo and responseReceivedExtraInfo events will be or were emitted for this request.

Experimental
frameId
Page.FrameId

Frame identifier.

Network.webSocketClosed

Fired when WebSocket is closed.

parameters
requestId
RequestId

Request identifier.

timestamp
MonotonicTime

Timestamp.

Network.webSocketCreated

Fired upon WebSocket creation.

parameters
requestId
RequestId

Request identifier.

url
string

WebSocket request URL.

initiator
Initiator

Request initiator.

Network.webSocketFrameError

Fired when WebSocket message error occurs.

parameters
requestId
RequestId

Request identifier.

timestamp
MonotonicTime

Timestamp.

errorMessage
string

WebSocket error message.

Network.webSocketFrameReceived

Fired when WebSocket message is received.

parameters
requestId
RequestId

Request identifier.

timestamp
MonotonicTime

Timestamp.

response
WebSocketFrame

WebSocket response data.

Network.webSocketFrameSent

Fired when WebSocket message is sent.

parameters
requestId
RequestId

Request identifier.

timestamp
MonotonicTime

Timestamp.

response
WebSocketFrame

WebSocket response data.

Network.webSocketHandshakeResponseReceived

Fired when WebSocket handshake response becomes available.

parameters
requestId
RequestId

Request identifier.

timestamp
MonotonicTime

Timestamp.

response
WebSocketResponse

WebSocket response data.

Network.webSocketWillSendHandshakeRequest

Fired when WebSocket is about to initiate handshake.

parameters
requestId
RequestId

Request identifier.

timestamp
MonotonicTime

Timestamp.

wallTime
TimeSinceEpoch

UTC Timestamp.

request
WebSocketRequest

WebSocket request data.

Network.webTransportClosed

Fired when WebTransport is disposed.

parameters
transportId
RequestId

WebTransport identifier.

timestamp
MonotonicTime

Timestamp.

Network.webTransportConnectionEstablished

Fired when WebTransport handshake is finished.

parameters
transportId
RequestId

WebTransport identifier.

timestamp
MonotonicTime

Timestamp.

Network.webTransportCreated

Fired upon WebTransport creation.

parameters
transportId
RequestId

WebTransport identifier.

url
string

WebTransport request URL.

timestamp
MonotonicTime

Timestamp.

initiator
Initiator

Request initiator.

Network.reportingApiEndpointsChangedForOrigin Experimental

parameters
origin
string

Origin of the document(s) which configured the endpoints.

endpoints
array[ ReportingApiEndpoint ]

Network.reportingApiReportAdded Experimental

Is sent whenever a new report is added. And after 'enableReportingApi' for all existing reports.

parameters
report
ReportingApiReport

Network.reportingApiReportUpdated Experimental

parameters
report
ReportingApiReport

Network.requestWillBeSentExtraInfo Experimental

Fired when additional information about a requestWillBeSent event is available from the network stack. Not every requestWillBeSent event will have an additional requestWillBeSentExtraInfo fired for it, and there is no guarantee whether requestWillBeSent or requestWillBeSentExtraInfo will be fired first for the same request.

parameters
requestId
RequestId

Request identifier. Used to match this information to an existing requestWillBeSent event.

associatedCookies
array[ AssociatedCookie ]

A list of cookies potentially associated to the requested URL. This includes both cookies sent with the request and the ones not sent; the latter are distinguished by having blockedReasons field set.

headers
Headers

Raw request headers as they will be sent over the wire.

connectTiming
ConnectTiming

Connection timing information for the request.

Experimental
clientSecurityState
ClientSecurityState

The client security state set for the request.

siteHasCookieInOtherPartition
boolean

Whether the site has partitioned cookies stored in a partition different than the current one.

Network.resourceChangedPriority Experimental

Fired when resource loading priority is changed

parameters
requestId
RequestId

Request identifier.

newPriority
ResourcePriority

New priority

timestamp
MonotonicTime

Timestamp.

Network.responseReceivedEarlyHints Experimental

Fired when 103 Early Hints headers is received in addition to the common response. Not every responseReceived event will have an responseReceivedEarlyHints fired. Only one responseReceivedEarlyHints may be fired for eached responseReceived event.

parameters
requestId
RequestId

Request identifier. Used to match this information to another responseReceived event.

headers
Headers

Raw response headers as they were received over the wire.

Network.responseReceivedExtraInfo Experimental

Fired when additional information about a responseReceived event is available from the network stack. Not every responseReceived event will have an additional responseReceivedExtraInfo for it, and responseReceivedExtraInfo may be fired before or after responseReceived.

parameters
requestId
RequestId

Request identifier. Used to match this information to another responseReceived event.

blockedCookies
array[ BlockedSetCookieWithReason ]

A list of cookies which were not stored from the response along with the corresponding reasons for blocking. The cookies here may not be valid due to syntax errors, which are represented by the invalid cookie line string instead of a proper cookie.

headers
Headers

Raw response headers as they were received over the wire.

resourceIPAddressSpace
IPAddressSpace

The IP address space of the resource. The address space can only be determined once the transport established the connection, so we can't send it in requestWillBeSentExtraInfo.

statusCode
integer

The status code of the response. This is useful in cases the request failed and no responseReceived event is triggered, which is the case for, e.g., CORS errors. This is also the correct status code for cached requests, where the status in responseReceived is a 200 and this will be 304.

headersText
string

Raw response header text as it was received over the wire. The raw text may not always be available, such as in the case of HTTP/2 or QUIC.

cookiePartitionKey
string

The cookie partition key that will be used to store partitioned cookies set in this response. Only sent when partitioned cookies are enabled.

cookiePartitionKeyOpaque
boolean

True if partitioned cookies are enabled, but the partition key is not serializable to string.

exemptedCookies
array[ ExemptedSetCookieWithReason ]

A list of cookies which should have been blocked by 3PCD but are exempted and stored from the response with the corresponding reason.

Network.signedExchangeReceived Experimental

Fired when a signed exchange was received over the network

parameters
requestId
RequestId

Request identifier.

info
SignedExchangeInfo

Information about the signed exchange response.

Network.subresourceWebBundleInnerResponseError Experimental

Fired when request for resources within a .wbn file failed.

parameters
innerRequestId
RequestId

Request identifier of the subresource request

innerRequestURL
string

URL of the subresource resource.

errorMessage
string

Error message

bundleRequestId
RequestId

Bundle request identifier. Used to match this information to another event. This made be absent in case when the instrumentation was enabled only after webbundle was parsed.

Network.subresourceWebBundleInnerResponseParsed Experimental

Fired when handling requests for resources within a .wbn file. Note: this will only be fired for resources that are requested by the webpage.

parameters
innerRequestId
RequestId

Request identifier of the subresource request

innerRequestURL
string

URL of the subresource resource.

bundleRequestId
RequestId

Bundle request identifier. Used to match this information to another event. This made be absent in case when the instrumentation was enabled only after webbundle was parsed.

Network.subresourceWebBundleMetadataError Experimental

Fired once when parsing the .wbn file has failed.

parameters
requestId
RequestId

Request identifier. Used to match this information to another event.

errorMessage
string

Error message

Network.subresourceWebBundleMetadataReceived Experimental

Fired once when parsing the .wbn file has succeeded. The event contains the information about the web bundle contents.

parameters
requestId
RequestId

Request identifier. Used to match this information to another event.

urls
array[ string ]

A list of URLs of resources in the subresource Web Bundle.

Network.trustTokenOperationDone Experimental

Fired exactly once for each Trust Token operation. Depending on the type of the operation and whether the operation succeeded or failed, the event is fired before the corresponding request was sent or after the response was received.

parameters
status
string

Detailed success or error status of the operation. 'AlreadyExists' also signifies a successful operation, as the result of the operation already exists und thus, the operation was abort preemptively (e.g. a cache hit).

Allowed Values: Ok, InvalidArgument, MissingIssuerKeys, FailedPrecondition, ResourceExhausted, AlreadyExists, Unavailable, Unauthorized, BadResponse, InternalError, UnknownError, FulfilledLocally
type
TrustTokenOperationType
requestId
RequestId
topLevelOrigin
string

Top level origin. The context in which the operation was attempted.

issuerOrigin
string

Origin of the issuer in case of a "Issuance" or "Redemption" operation.

issuedTokenCount
integer

The number of obtained Trust Tokens on a successful "Issuance" operation.

Network.requestIntercepted ExperimentalDeprecated

Details of an intercepted HTTP request, which must be either allowed, blocked, modified or mocked. Deprecated, use Fetch.requestPaused instead.

parameters
interceptionId
InterceptionId

Each request the page makes will have a unique id, however if any redirects are encountered while processing that fetch, they will be reported with the same id as the original fetch. Likewise if HTTP authentication is needed then the same fetch id will be used.

request
Request
frameId
Page.FrameId

The id of the frame that initiated the request.

resourceType
ResourceType

How the requested resource will be used.

isNavigationRequest
boolean

Whether this is a navigation request, which can abort the navigation completely.

isDownload
boolean

Set if the request is a navigation that will result in a download. Only present after response is received from the server (i.e. HeadersReceived stage).

redirectUrl
string

Redirect location, only sent if a redirect was intercepted.

authChallenge
AuthChallenge

Details of the Authorization Challenge encountered. If this is set then continueInterceptedRequest must contain an authChallengeResponse.

responseErrorReason
ErrorReason

Response error if intercepted at response stage or if redirect occurred while intercepting request.

responseStatusCode
integer

Response code if intercepted at response stage or if redirect occurred while intercepting request or auth retry occurred.

responseHeaders
Headers

Response headers if intercepted at the response stage or if redirect occurred while intercepting request or auth retry occurred.

requestId
RequestId

If the intercepted request had a corresponding requestWillBeSent event fired for it, then this requestId will be the same as the requestId present in the requestWillBeSent event.

Types

Network.BlockedReason

The reason why request was blocked.

Allowed Values: other, csp, mixed-content, origin, inspector, subresource-filter, content-type, coep-frame-resource-needs-coep-header, coop-sandboxed-iframe-cannot-navigate-to-coop-page, corp-not-same-origin, corp-not-same-origin-after-defaulted-to-same-origin-by-coep, corp-not-same-site

Type: string

Network.CachedResource

Information about the cached resource.

Type: object

properties
url
string

Resource URL. This is the url of the original network request.

type
ResourceType

Type of this resource.

response
Response

Cached response data.

bodySize
number

Cached response body size.

Network.CertificateTransparencyCompliance

Whether the request complied with Certificate Transparency policy.

Allowed Values: unknown, not-compliant, compliant

Type: string

Network.ConnectionType

The underlying connection technology that the browser is supposedly using.

Allowed Values: none, cellular2g, cellular3g, cellular4g, bluetooth, ethernet, wifi, wimax, other

Type: string

Cookie object

Type: object

properties
name
string

Cookie name.

value
string

Cookie value.

domain
string

Cookie domain.

path
string

Cookie path.

expires
number

Cookie expiration date as the number of seconds since the UNIX epoch.

size
integer

Cookie size.

httpOnly
boolean

True if cookie is http-only.

secure
boolean

True if cookie is secure.

session
boolean

True in case of session cookie.

sameSite
CookieSameSite

Cookie SameSite type.

priority
CookiePriority

Cookie Priority

Experimental
sameParty
boolean

True if cookie is SameParty.

ExperimentalDeprecated
sourceScheme
CookieSourceScheme

Cookie source scheme type.

Experimental
sourcePort
integer

Cookie source port. Valid values are {-1, [1, 65535]}, -1 indicates an unspecified port. An unspecified port value allows protocol clients to emulate legacy cookie scope for the port. This is a temporary ability and it will be removed in the future.

Experimental
partitionKey
string

Cookie partition key. The site of the top-level URL the browser was visiting at the start of the request to the endpoint that set the cookie.

Experimental
partitionKeyOpaque
boolean

True if cookie partition key is opaque.

Experimental

Network.CookieParam

Cookie parameter object

Type: object

properties
name
string

Cookie name.

value
string

Cookie value.

url
string

The request-URI to associate with the setting of the cookie. This value can affect the default domain, path, source port, and source scheme values of the created cookie.

domain
string

Cookie domain.

path
string

Cookie path.

secure
boolean

True if cookie is secure.

httpOnly
boolean

True if cookie is http-only.

sameSite
CookieSameSite

Cookie SameSite type.

expires
TimeSinceEpoch

Cookie expiration date, session cookie if not set

priority
CookiePriority

Cookie Priority.

Experimental
sameParty
boolean

True if cookie is SameParty.

Experimental
sourceScheme
CookieSourceScheme

Cookie source scheme type.

Experimental
sourcePort
integer

Cookie source port. Valid values are {-1, [1, 65535]}, -1 indicates an unspecified port. An unspecified port value allows protocol clients to emulate legacy cookie scope for the port. This is a temporary ability and it will be removed in the future.

Experimental
partitionKey
string

Cookie partition key. The site of the top-level URL the browser was visiting at the start of the request to the endpoint that set the cookie. If not set, the cookie will be set as not partitioned.

Experimental

Network.CookieSameSite

Represents the cookie's 'SameSite' status: https://tools.ietf.org/html/draft-west-first-party-cookies

Allowed Values: Strict, Lax, None

Type: string

Network.CorsError

The reason why request was blocked.

Allowed Values: DisallowedByMode, InvalidResponse, WildcardOriginNotAllowed, MissingAllowOriginHeader, MultipleAllowOriginValues, InvalidAllowOriginValue, AllowOriginMismatch, InvalidAllowCredentials, CorsDisabledScheme, PreflightInvalidStatus, PreflightDisallowedRedirect, PreflightWildcardOriginNotAllowed, PreflightMissingAllowOriginHeader, PreflightMultipleAllowOriginValues, PreflightInvalidAllowOriginValue, PreflightAllowOriginMismatch, PreflightInvalidAllowCredentials, PreflightMissingAllowExternal, PreflightInvalidAllowExternal, PreflightMissingAllowPrivateNetwork, PreflightInvalidAllowPrivateNetwork, InvalidAllowMethodsPreflightResponse, InvalidAllowHeadersPreflightResponse, MethodDisallowedByPreflightResponse, HeaderDisallowedByPreflightResponse, RedirectContainsCredentials, InsecurePrivateNetwork, InvalidPrivateNetworkAccess, UnexpectedPrivateNetworkAccess, NoCorsRedirectModeNotFollow, PreflightMissingPrivateNetworkAccessId, PreflightMissingPrivateNetworkAccessName, PrivateNetworkAccessPermissionUnavailable, PrivateNetworkAccessPermissionDenied

Type: string

Network.CorsErrorStatus

Type: object

properties
corsError
CorsError
failedParameter
string

Network.ErrorReason

Network level fetch failure reason.

Allowed Values: Failed, Aborted, TimedOut, AccessDenied, ConnectionClosed, ConnectionReset, ConnectionRefused, ConnectionAborted, ConnectionFailed, NameNotResolved, InternetDisconnected, AddressUnreachable, BlockedByClient, BlockedByResponse

Type: string

Network.Headers

Request / response headers as keys / values of JSON object.

Type: object

Network.Initiator

Information about the request initiator.

Type: object

properties
type
string

Type of this initiator.

Allowed Values: parser, script, preload, SignedExchange, preflight, other
stack
Runtime.StackTrace

Initiator JavaScript stack trace, set for Script only.

url
string

Initiator URL, set for Parser type or for Script type (when script is importing module) or for SignedExchange type.

lineNumber
number

Initiator line number, set for Parser type or for Script type (when script is importing module) (0-based).

columnNumber
number

Initiator column number, set for Parser type or for Script type (when script is importing module) (0-based).

requestId
RequestId

Set if another request triggered this request (e.g. preflight).

Network.InterceptionId

Unique intercepted request identifier.

Type: string

Network.LoaderId

Unique loader identifier.

Type: string

Network.MonotonicTime

Monotonically increasing time in seconds since an arbitrary point in the past.

Type: number

Network.PostDataEntry

Post data entry for HTTP request

Type: object

properties
bytes
string

Network.Request

HTTP request data.

Type: object

properties
url
string

Request URL (without fragment).

urlFragment
string

Fragment of the requested URL starting with hash, if present.

method
string

HTTP request method.

headers
Headers

HTTP request headers.

postData
string

HTTP POST request data. Use postDataEntries instead.

Deprecated
hasPostData
boolean

True when the request has POST data. Note that postData might still be omitted when this flag is true when the data is too long.

postDataEntries
array[ PostDataEntry ]

Request body elements (post data broken into individual entries).

Experimental
mixedContentType
Security.MixedContentType

The mixed content type of the request.

initialPriority
ResourcePriority

Priority of the resource request at the time request is sent.

referrerPolicy
string

The referrer policy of the request, as defined in https://www.w3.org/TR/referrer-policy/

Allowed Values: unsafe-url, no-referrer-when-downgrade, no-referrer, origin, origin-when-cross-origin, same-origin, strict-origin, strict-origin-when-cross-origin
isLinkPreload
boolean

Whether is loaded via link preload.

trustTokenParams
TrustTokenParams

Set for requests when the TrustToken API is used. Contains the parameters passed by the developer (e.g. via "fetch") as understood by the backend.

Experimental
isSameSite
boolean

True if this resource request is considered to be the 'same site' as the request corresponding to the main frame.

Experimental

Network.RequestId

Unique request identifier.

Type: string

Network.ResourcePriority

Loading priority of a resource request.

Allowed Values: VeryLow, Low, Medium, High, VeryHigh

Type: string

Network.ResourceTiming

Timing information for the request.

Type: object

properties
requestTime
number

Timing's requestTime is a baseline in seconds, while the other numbers are ticks in milliseconds relatively to this requestTime.

proxyStart
number

Started resolving proxy.

proxyEnd
number

Finished resolving proxy.

dnsStart
number

Started DNS address resolve.

dnsEnd
number

Finished DNS address resolve.

connectStart
number

Started connecting to the remote host.

connectEnd
number

Connected to the remote host.

sslStart
number

Started SSL handshake.

sslEnd
number

Finished SSL handshake.

workerStart
number

Started running ServiceWorker.

Experimental
workerReady
number

Finished Starting ServiceWorker.

Experimental
workerFetchStart
number

Started fetch event.

Experimental
workerRespondWithSettled
number

Settled fetch event respondWith promise.

Experimental
sendStart
number

Started sending request.

sendEnd
number

Finished sending request.

pushStart
number

Time the server started pushing request.

Experimental
pushEnd
number

Time the server finished pushing request.

Experimental
receiveHeadersStart
number

Started receiving response headers.

Experimental
receiveHeadersEnd
number

Finished receiving response headers.

Network.ResourceType

Resource type as it was perceived by the rendering engine.

Allowed Values: Document, Stylesheet, Image, Media, Font, Script, TextTrack, XHR, Fetch, Prefetch, EventSource, WebSocket, Manifest, SignedExchange, Ping, CSPViolationReport, Preflight, Other

Type: string

Network.Response

HTTP response data.

Type: object

properties
url
string

Response URL. This URL can be different from CachedResource.url in case of redirect.

status
integer

HTTP response status code.

statusText
string

HTTP response status text.

headers
Headers

HTTP response headers.

headersText
string

HTTP response headers text. This has been replaced by the headers in Network.responseReceivedExtraInfo.

Deprecated
mimeType
string

Resource mimeType as determined by the browser.

charset
string

Resource charset as determined by the browser (if applicable).

requestHeaders
Headers

Refined HTTP request headers that were actually transmitted over the network.

requestHeadersText
string

HTTP request headers text. This has been replaced by the headers in Network.requestWillBeSentExtraInfo.

Deprecated
connectionReused
boolean

Specifies whether physical connection was actually reused for this request.

connectionId
number

Physical connection id that was actually used for this request.

remoteIPAddress
string

Remote IP address.

remotePort
integer

Remote port.

fromDiskCache
boolean

Specifies that the request was served from the disk cache.

fromServiceWorker
boolean

Specifies that the request was served from the ServiceWorker.

fromPrefetchCache
boolean

Specifies that the request was served from the prefetch cache.

fromEarlyHints
boolean

Specifies that the request was served from the prefetch cache.

serviceWorkerRouterInfo
ServiceWorkerRouterInfo

Information about how ServiceWorker Static Router API was used. If this field is set with matchedSourceType field, a matching rule is found. If this field is set without matchedSource, no matching rule is found. Otherwise, the API is not used.

Experimental
encodedDataLength
number

Total number of bytes received for this request so far.

timing
ResourceTiming

Timing information for the given request.

serviceWorkerResponseSource
ServiceWorkerResponseSource

Response source of response from ServiceWorker.

responseTime
TimeSinceEpoch

The time at which the returned response was generated.

cacheStorageCacheName
string

Cache Storage Cache Name.

protocol
string

Protocol used to fetch this request.

alternateProtocolUsage
AlternateProtocolUsage

The reason why Chrome uses a specific transport protocol for HTTP semantics.

Experimental
securityState
Security.SecurityState

Security state of the request resource.

securityDetails
SecurityDetails

Security details for the request.

Network.SecurityDetails

Security details about a request.

Type: object

properties
protocol
string

Protocol name (e.g. "TLS 1.2" or "QUIC").

keyExchange
string

Key Exchange used by the connection, or the empty string if not applicable.

keyExchangeGroup
string

(EC)DH group used by the connection, if applicable.

cipher
string

Cipher name.

mac
string

TLS MAC. Note that AEAD ciphers do not have separate MACs.

certificateId
Security.CertificateId

Certificate ID value.

subjectName
string

Certificate subject name.

sanList
array[ string ]

Subject Alternative Name (SAN) DNS names and IP addresses.

issuer
string

Name of the issuing CA.

validFrom
TimeSinceEpoch

Certificate valid from date.

validTo
TimeSinceEpoch

Certificate valid to (expiration) date

signedCertificateTimestampList
array[ SignedCertificateTimestamp ]

List of signed certificate timestamps (SCTs).

certificateTransparencyCompliance
CertificateTransparencyCompliance

Whether the request complied with Certificate Transparency policy

serverSignatureAlgorithm
integer

The signature algorithm used by the server in the TLS server signature, represented as a TLS SignatureScheme code point. Omitted if not applicable or not known.

encryptedClientHello
boolean

Whether the connection used Encrypted ClientHello

Network.ServiceWorkerResponseSource

Source of serviceworker response.

Allowed Values: cache-storage, http-cache, fallback-code, network

Type: string

Network.ServiceWorkerRouterSource

Source of service worker router.

Allowed Values: network, cache, fetch-event, race-network-and-fetch-handler

Type: string

Network.SignedCertificateTimestamp

Details of a signed certificate timestamp (SCT).

Type: object

properties
status
string

Validation status.

origin
string

Origin.

logDescription
string

Log name / description.

logId
string

Log ID.

timestamp
number

Issuance date. Unlike TimeSinceEpoch, this contains the number of milliseconds since January 1, 1970, UTC, not the number of seconds.

hashAlgorithm
string

Hash algorithm.

signatureAlgorithm
string

Signature algorithm.

signatureData
string

Signature data.

Network.TimeSinceEpoch

UTC time in seconds, counted from January 1, 1970.

Type: number

Network.WebSocketFrame

WebSocket message data. This represents an entire WebSocket message, not just a fragmented frame as the name suggests.

Type: object

properties
opcode
number

WebSocket message opcode.

mask
boolean

WebSocket message mask.

payloadData
string

WebSocket message payload data. If the opcode is 1, this is a text message and payloadData is a UTF-8 string. If the opcode isn't 1, then payloadData is a base64 encoded string representing binary data.

Network.WebSocketRequest

WebSocket request data.

Type: object

properties
headers
Headers

HTTP request headers.

Network.WebSocketResponse

WebSocket response data.

Type: object

properties
status
integer

HTTP response status code.

statusText
string

HTTP response status text.

headers
Headers

HTTP response headers.

headersText
string

HTTP response headers text.

requestHeaders
Headers

HTTP request headers.

requestHeadersText
string

HTTP request headers text.

Network.AlternateProtocolUsage Experimental

The reason why Chrome uses a specific transport protocol for HTTP semantics.

Allowed Values: alternativeJobWonWithoutRace, alternativeJobWonRace, mainJobWonRace, mappingMissing, broken, dnsAlpnH3JobWonWithoutRace, dnsAlpnH3JobWonRace, unspecifiedReason

Type: string

Network.AssociatedCookie Experimental

A cookie associated with the request which may or may not be sent with it. Includes the cookies itself and reasons for blocking or exemption.

Type: object

properties
cookie
Cookie

The cookie object representing the cookie which was not sent.

blockedReasons
array[ CookieBlockedReason ]

The reason(s) the cookie was blocked. If empty means the cookie is included.

exemptionReason
CookieExemptionReason

The reason the cookie should have been blocked by 3PCD but is exempted. A cookie could only have at most one exemption reason.

Network.AuthChallenge Experimental

Authorization challenge for HTTP status code 401 or 407.

Type: object

properties
source
string

Source of the authentication challenge.

Allowed Values: Server, Proxy
origin
string

Origin of the challenger.

scheme
string

The authentication scheme used, such as basic or digest

realm
string

The realm of the challenge. May be empty.

Network.AuthChallengeResponse Experimental

Response to an AuthChallenge.

Type: object

properties
response
string

The decision on what to do in response to the authorization challenge. Default means deferring to the default behavior of the net stack, which will likely either the Cancel authentication or display a popup dialog box.

Allowed Values: Default, CancelAuth, ProvideCredentials
username
string

The username to provide, possibly empty. Should only be set if response is ProvideCredentials.

password
string

The password to provide, possibly empty. Should only be set if response is ProvideCredentials.

Network.BlockedSetCookieWithReason Experimental

A cookie which was not stored from a response with the corresponding reason.

Type: object

properties
blockedReasons
array[ SetCookieBlockedReason ]

The reason(s) this cookie was blocked.

cookieLine
string

The string representing this individual cookie as it would appear in the header. This is not the entire "cookie" or "set-cookie" header which could have multiple cookies.

cookie
Cookie

The cookie object which represents the cookie which was not stored. It is optional because sometimes complete cookie information is not available, such as in the case of parsing errors.

Network.ClientSecurityState Experimental

Type: object

properties
initiatorIsSecureContext
boolean
initiatorIPAddressSpace
IPAddressSpace
privateNetworkRequestPolicy
PrivateNetworkRequestPolicy

Network.ConnectTiming Experimental

Type: object

properties
requestTime
number

Timing's requestTime is a baseline in seconds, while the other numbers are ticks in milliseconds relatively to this requestTime. Matches ResourceTiming's requestTime for the same request (but not for redirected requests).

Network.ContentEncoding Experimental

List of content encodings supported by the backend.

Allowed Values: deflate, gzip, br, zstd

Type: string

Network.ContentSecurityPolicySource Experimental

Allowed Values: HTTP, Meta

Type: string

Network.ContentSecurityPolicyStatus Experimental

Type: object

properties
effectiveDirectives
string
isEnforced
boolean
source
ContentSecurityPolicySource

Network.CookieBlockedReason Experimental

Types of reasons why a cookie may not be sent with a request.

Allowed Values: SecureOnly, NotOnPath, DomainMismatch, SameSiteStrict, SameSiteLax, SameSiteUnspecifiedTreatedAsLax, SameSiteNoneInsecure, UserPreferences, ThirdPartyPhaseout, ThirdPartyBlockedInFirstPartySet, UnknownError, SchemefulSameSiteStrict, SchemefulSameSiteLax, SchemefulSameSiteUnspecifiedTreatedAsLax, SamePartyFromCrossPartyContext, NameValuePairExceedsMaxSize

Type: string

Network.CookieExemptionReason Experimental

Types of reasons why a cookie should have been blocked by 3PCD but is exempted for the request.

Allowed Values: None, UserSetting, TPCDMetadata, TPCDDeprecationTrial, TPCDHeuristics, EnterprisePolicy, StorageAccess, TopLevelStorageAccess, CorsOptIn, Scheme

Type: string

Network.CookiePriority Experimental

Represents the cookie's 'Priority' status: https://tools.ietf.org/html/draft-west-cookie-priority-00

Allowed Values: Low, Medium, High

Type: string

Network.CookieSourceScheme Experimental

Represents the source scheme of the origin that originally set the cookie. A value of "Unset" allows protocol clients to emulate legacy cookie scope for the scheme. This is a temporary ability and it will be removed in the future.

Allowed Values: Unset, NonSecure, Secure

Type: string

Network.CrossOriginEmbedderPolicyStatus Experimental

Type: object

properties
value
CrossOriginEmbedderPolicyValue
reportOnlyValue
CrossOriginEmbedderPolicyValue
reportingEndpoint
string
reportOnlyReportingEndpoint
string

Network.CrossOriginEmbedderPolicyValue Experimental

Allowed Values: None, Credentialless, RequireCorp

Type: string

Network.CrossOriginOpenerPolicyStatus Experimental

Type: object

properties
value
CrossOriginOpenerPolicyValue
reportOnlyValue
CrossOriginOpenerPolicyValue
reportingEndpoint
string
reportOnlyReportingEndpoint
string

Network.CrossOriginOpenerPolicyValue Experimental

Allowed Values: SameOrigin, SameOriginAllowPopups, RestrictProperties, UnsafeNone, SameOriginPlusCoep, RestrictPropertiesPlusCoep

Type: string

Network.ExemptedSetCookieWithReason Experimental

A cookie should have been blocked by 3PCD but is exempted and stored from a response with the corresponding reason. A cookie could only have at most one exemption reason.

Type: object

properties
exemptionReason
CookieExemptionReason

The reason the cookie was exempted.

cookieLine
string

The string representing this individual cookie as it would appear in the header.

cookie
Cookie

The cookie object representing the cookie.

Network.InterceptionStage Experimental

Stages of the interception to begin intercepting. Request will intercept before the request is sent. Response will intercept after the response is received.

Allowed Values: Request, HeadersReceived

Type: string

Network.IPAddressSpace Experimental

Allowed Values: Local, Private, Public, Unknown

Type: string

Network.LoadNetworkResourceOptions Experimental

An options object that may be extended later to better support CORS, CORB and streaming.

Type: object

properties
disableCache
boolean
includeCredentials
boolean

Network.LoadNetworkResourcePageResult Experimental

An object providing the result of a network resource load.

Type: object

properties
success
boolean
netError
number

Optional values used for error reporting.

netErrorName
string
httpStatusCode
number
stream
IO.StreamHandle

If successful, one of the following two fields holds the result.

headers
Network.Headers

Response headers.

Network.PrivateNetworkRequestPolicy Experimental

Allowed Values: Allow, BlockFromInsecureToMorePrivate, WarnFromInsecureToMorePrivate, PreflightBlock, PreflightWarn

Type: string

Network.ReportId Experimental

Type: string

Network.ReportingApiEndpoint Experimental

Type: object

properties
url
string

The URL of the endpoint to which reports may be delivered.

groupName
string

Name of the endpoint group.

Network.ReportingApiReport Experimental

An object representing a report generated by the Reporting API.

Type: object

properties
id
ReportId
initiatorUrl
string

The URL of the document that triggered the report.

destination
string

The name of the endpoint group that should be used to deliver the report.

type
string

The type of the report (specifies the set of data that is contained in the report body).

timestamp
Network.TimeSinceEpoch

When the report was generated.

depth
integer

How many uploads deep the related request was.

completedAttempts
integer

The number of delivery attempts made so far, not including an active attempt.

body
object
status
ReportStatus

Network.ReportStatus Experimental

The status of a Reporting API report.

Allowed Values: Queued, Pending, MarkedForRemoval, Success

Type: string

Network.RequestPattern Experimental

Request pattern for interception.

Type: object

properties
urlPattern
string

Wildcards ('*' -> zero or more, '?' -> exactly one) are allowed. Escape character is backslash. Omitting is equivalent to "*".

resourceType
ResourceType

If set, only requests for matching resource types will be intercepted.

interceptionStage
InterceptionStage

Stage at which to begin intercepting requests. Default is Request.

Network.SecurityIsolationStatus Experimental

Type: object

properties
coop
CrossOriginOpenerPolicyStatus
coep
CrossOriginEmbedderPolicyStatus
csp
array[ ContentSecurityPolicyStatus ]

Network.ServiceWorkerRouterInfo Experimental

Type: object

properties
ruleIdMatched
integer

ID of the rule matched. If there is a matched rule, this field will be set, otherwiser no value will be set.

matchedSourceType
ServiceWorkerRouterSource

The router source of the matched rule. If there is a matched rule, this field will be set, otherwise no value will be set.

Network.SetCookieBlockedReason Experimental

Types of reasons why a cookie may not be stored from a response.

Allowed Values: SecureOnly, SameSiteStrict, SameSiteLax, SameSiteUnspecifiedTreatedAsLax, SameSiteNoneInsecure, UserPreferences, ThirdPartyPhaseout, ThirdPartyBlockedInFirstPartySet, SyntaxError, SchemeNotSupported, OverwriteSecure, InvalidDomain, InvalidPrefix, UnknownError, SchemefulSameSiteStrict, SchemefulSameSiteLax, SchemefulSameSiteUnspecifiedTreatedAsLax, SamePartyFromCrossPartyContext, SamePartyConflictsWithOtherAttributes, NameValuePairExceedsMaxSize, DisallowedCharacter, NoCookieContent

Type: string

Network.SignedExchangeError Experimental

Information about a signed exchange response.

Type: object

properties
message
string

Error message.

signatureIndex
integer

The index of the signature which caused the error.

errorField
SignedExchangeErrorField

The field which caused the error.

Network.SignedExchangeErrorField Experimental

Field type for a signed exchange related error.

Allowed Values: signatureSig, signatureIntegrity, signatureCertUrl, signatureCertSha256, signatureValidityUrl, signatureTimestamps

Type: string

Network.SignedExchangeHeader Experimental

Type: object

properties
requestUrl
string

Signed exchange request URL.

responseCode
integer

Signed exchange response code.

responseHeaders
Headers

Signed exchange response headers.

signatures
array[ SignedExchangeSignature ]

Signed exchange response signature.

headerIntegrity
string

Signed exchange header integrity hash in the form of sha256-<base64-hash-value>.

Network.SignedExchangeInfo Experimental

Information about a signed exchange response.

Type: object

properties
outerResponse
Response

The outer response of signed HTTP exchange which was received from network.

header
SignedExchangeHeader

Information about the signed exchange header.

securityDetails
SecurityDetails

Security details for the signed exchange header.

errors
array[ SignedExchangeError ]

Errors occurred while handling the signed exchange.

Network.SignedExchangeSignature Experimental

Type: object

properties
label
string

Signed exchange signature label.

signature
string

The hex string of signed exchange signature.

integrity
string

Signed exchange signature integrity.

certUrl
string

Signed exchange signature cert Url.

certSha256
string

The hex string of signed exchange signature cert sha256.

validityUrl
string

Signed exchange signature validity Url.

date
integer

Signed exchange signature date.

expires
integer

Signed exchange signature expires.

certificates
array[ string ]

The encoded certificates.

Network.TrustTokenOperationType Experimental

Allowed Values: Issuance, Redemption, Signing

Type: string

Network.TrustTokenParams Experimental

Determines what type of Trust Token operation is executed and depending on the type, some additional parameters. The values are specified in third_party/blink/renderer/core/fetch/trust_token.idl.

Type: object

properties
operation
TrustTokenOperationType
refreshPolicy
string

Only set for "token-redemption" operation and determine whether to request a fresh SRR or use a still valid cached SRR.

Allowed Values: UseCached, Refresh
issuers
array[ string ]

Origins of issuers from whom to request tokens or redemption records.