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Netlogs for (a) normal inner fetch() and (b) inner fetch() for a reopened closed tab

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10137: URL_REQUEST

9705: URL_REQUEST

http://localhost:60334/

Start Time: 2026-03-07 16:21:40.161

Start Time: 2026-03-07 15:32:38.513

t= 12 [st= 0] +CORS_REQUEST [dt=121+]

t=8921 [st=0] +CORS_REQUEST [dt=0]

--> cors_preflight_policy = "consider_preflight"

--> is_revalidating = false

--> request_headers = {

"headers": [

"sec-ch-ua-platform: \"macOS\"",

"Subscribe: true",

"User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36",

"sec-ch-ua: \"Not:A-Brand\";v=\"99\", \"Google Chrome\";v=\"145\", \"Chromium\";v=\"145\"",

"sec-ch-ua-mobile: ?0",

"Accept: */*"

"line": "GET / HTTP/1.1\r\n"

}

--> url = "http://localhost:60334/"

t= 12 [st= 0] CHECK_CORS_PREFLIGHT_REQUIRED

t=8921 [st=0] CHECK_CORS_PREFLIGHT_REQUIRED

--> preflight_required = true

--> preflight_required_reason = "disallowed_header"

t= 12 [st= 0] +REQUEST_ALIVE [dt=121+]

t=8921 [st=0] +REQUEST_ALIVE [dt=0]

--> priority = "MEDIUM"

--> traffic_annotation = 101845102

--> url = "http://localhost:60334/"

t= 12 [st= 0] NETWORK_DELEGATE_BEFORE_URL_REQUEST [dt=0]

t=8921 [st=0] NETWORK_DELEGATE_BEFORE_URL_REQUEST [dt=0]

t= 12 [st= 0] TRANSPORT_SECURITY_STATE_SHOULD_UPGRADE_TO_SSL

t=8921 [st=0] TRANSPORT_SECURITY_STATE_SHOULD_UPGRADE_TO_SSL

--> get_sts_state_result = false

--> host = "localhost"

--> host_found_in_hsts_bypass_list = false

--> should_upgrade_to_ssl = false

t= 12 [st= 0] +URL_REQUEST_START_JOB [dt=2]

t=8921 [st=0] +URL_REQUEST_START_JOB [dt=0]

--> initiator = "http://localhost:60334"

--> load_flags = 73744 (CAN_USE_SHARED_DICTIONARY | DISABLE_CACHE | SUPPORT_ASYNC_REVALIDATION)

--> load_flags = 73732 (CAN_USE_SHARED_DICTIONARY | SKIP_CACHE_VALIDATION | SUPPORT_ASYNC_REVALIDATION)

--> method = "GET"

--> network_isolation_key = "http://localhost http://localhost"

--> request_type = "other"

--> site_for_cookies = "SiteForCookies: {site=http://localhost; schemefully_same=true}"

--> url = "http://localhost:60334/"

t= 12 [st= 0] FIRST_PARTY_SETS_METADATA [dt=0]

t=8921 [st=0] FIRST_PARTY_SETS_METADATA [dt=0]

--> cache_filter = "none"

--> frame_entry = "none"

--> top_frame_primary = "none"

t= 12 [st= 0] COMPUTED_PRIVACY_MODE

t=8921 [st=0] COMPUTED_PRIVACY_MODE

--> privacy_mode = "disabled"

t= 12 [st= 0] NETWORK_DELEGATE_BEFORE_START_TRANSACTION [dt=0]

t=8921 [st=0] NETWORK_DELEGATE_BEFORE_START_TRANSACTION [dt=0]

t= 12 [st= 0] HTTP_CACHE_GET_BACKEND [dt=0]

t=8921 [st=0] HTTP_CACHE_GET_BACKEND [dt=0]

t= 12 [st= 0] +HTTP_STREAM_REQUEST [dt=1]

t=8921 [st=0] HTTP_CACHE_OPEN_OR_CREATE_ENTRY [dt=0]

t= 12 [st= 0] HTTP_STREAM_JOB_CONTROLLER_BOUND

--> result = "opened"

--> source_dependency = 10138 (HTTP_STREAM_JOB_CONTROLLER)

t=8921 [st=0] HTTP_CACHE_ADD_TO_ENTRY [dt=0]

t= 13 [st= 1] HTTP_STREAM_REQUEST_BOUND_TO_JOB

t=8921 [st=0] HTTP_CACHE_READ_INFO [dt=0]

--> source_dependency = 10139 (HTTP_STREAM_JOB)

t=8921 [st=0] +URL_REQUEST_DELEGATE_CONNECTED [dt=0]

t= 13 [st= 1] -HTTP_STREAM_REQUEST

t=8921 [st=0] PRIVATE_NETWORK_ACCESS_CHECK

t= 13 [st= 1] +URL_REQUEST_DELEGATE_CONNECTED [dt=0]

--> client_address_space = "loopback"

t= 13 [st= 1] PRIVATE_NETWORK_ACCESS_CHECK

--> resource_address_space = "loopback"

--> client_address_space = "loopback"

--> result = "allowed-potentially-trustworthy-same-origin"

--> resource_address_space = "loopback"

t=8921 [st=0] -URL_REQUEST_DELEGATE_CONNECTED

--> result = "allowed-potentially-trustworthy-same-origin"

t=8921 [st=0] NETWORK_DELEGATE_HEADERS_RECEIVED [dt=0]

t= 13 [st= 1] -URL_REQUEST_DELEGATE_CONNECTED

t=8921 [st=0] -URL_REQUEST_START_JOB

t= 13 [st= 1] +HTTP_TRANSACTION_SEND_REQUEST [dt=0]

t=8921 [st=0] URL_REQUEST_DELEGATE_RESPONSE_STARTED [dt=0]

t= 13 [st= 1] HTTP_TRANSACTION_SEND_REQUEST_HEADERS

t=8921 [st=0] HTTP_CACHE_READ_DATA [dt=0]

--> GET / HTTP/1.1

t=8921 [st=0] URL_REQUEST_JOB_FILTERED_BYTES_READ

Host: localhost:60334

--> byte_count = 563

Connection: keep-alive

t=8921 [st=0] HTTP_CACHE_READ_DATA [dt=0]

sec-ch-ua-platform: "macOS"

t=8921 [st=0] -CORS_REQUEST

Subscribe: true

t=8921 [st=0] -REQUEST_ALIVE

User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36

sec-ch-ua: "Not:A-Brand";v="99", "Google Chrome";v="145", "Chromium";v="145"

sec-ch-ua-mobile: ?0

Accept: */*

Sec-Fetch-Site: same-origin

Sec-Fetch-Mode: cors

Sec-Fetch-Dest: empty

Referer: http://localhost:60334/

Accept-Encoding: gzip, deflate, br, zstd

Accept-Language: en-US,en;q=0.9

t= 13 [st= 1] -HTTP_TRANSACTION_SEND_REQUEST

t= 13 [st= 1] +HTTP_TRANSACTION_READ_HEADERS [dt=1]

t= 13 [st= 1] HTTP_STREAM_PARSER_READ_HEADERS [dt=1]

t= 14 [st= 2] HTTP_TRANSACTION_READ_RESPONSE_HEADERS

--> HTTP/1.1 200 OK

Content-Type: message/http-sequence

Cache-Control: no-store

Date: Sun, 08 Mar 2026 02:21:40 GMT

Connection: keep-alive

Keep-Alive: timeout=5

Transfer-Encoding: chunked

t= 14 [st= 2] -HTTP_TRANSACTION_READ_HEADERS

t= 14 [st= 2] NETWORK_DELEGATE_HEADERS_RECEIVED [dt=0]

t= 14 [st= 2] -URL_REQUEST_START_JOB

t= 14 [st= 2] URL_REQUEST_DELEGATE_RESPONSE_STARTED [dt=0]

t= 14 [st= 2] HTTP_TRANSACTION_READ_BODY [dt=0]

t= 14 [st= 2] URL_REQUEST_JOB_FILTERED_BYTES_READ

--> byte_count = 41

t= 14 [st= 2] +HTTP_TRANSACTION_READ_BODY [dt=119+]

t=133 [st=121]

Saved diffs

Original text

Open file

10137: URL_REQUEST
http://localhost:60334/
Start Time: 2026-03-07 16:21:40.161

t= 12 [st=  0] +CORS_REQUEST  [dt=121+]
                --> cors_preflight_policy = "consider_preflight"
                --> is_revalidating = false
                --> request_headers = {
                      "headers": [
                        "sec-ch-ua-platform: \"macOS\"",
                        "Subscribe: true",
                        "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36",
                        "sec-ch-ua: \"Not:A-Brand\";v=\"99\", \"Google Chrome\";v=\"145\", \"Chromium\";v=\"145\"",
                        "sec-ch-ua-mobile: ?0",
                        "Accept: */*"
                      ],
                      "line": "GET / HTTP/1.1\r\n"
                    }
                --> url = "http://localhost:60334/"
t= 12 [st=  0]    CHECK_CORS_PREFLIGHT_REQUIRED
                  --> preflight_required = true
                  --> preflight_required_reason = "disallowed_header"
t= 12 [st=  0]   +REQUEST_ALIVE  [dt=121+]
                  --> priority = "MEDIUM"
                  --> traffic_annotation = 101845102
                  --> url = "http://localhost:60334/"
t= 12 [st=  0]      NETWORK_DELEGATE_BEFORE_URL_REQUEST  [dt=0]
t= 12 [st=  0]      TRANSPORT_SECURITY_STATE_SHOULD_UPGRADE_TO_SSL
                    --> get_sts_state_result = false
                    --> host = "localhost"
                    --> host_found_in_hsts_bypass_list = false
                    --> should_upgrade_to_ssl = false
t= 12 [st=  0]     +URL_REQUEST_START_JOB  [dt=2]
                    --> initiator = "http://localhost:60334"
                    --> load_flags = 73744 (CAN_USE_SHARED_DICTIONARY | DISABLE_CACHE | SUPPORT_ASYNC_REVALIDATION)
                    --> method = "GET"
                    --> network_isolation_key = "http://localhost http://localhost"
                    --> request_type = "other"
                    --> site_for_cookies = "SiteForCookies: {site=http://localhost; schemefully_same=true}"
                    --> url = "http://localhost:60334/"
t= 12 [st=  0]        FIRST_PARTY_SETS_METADATA  [dt=0]
                      --> cache_filter = "none"
                      --> frame_entry = "none"
                      --> top_frame_primary = "none"
t= 12 [st=  0]        COMPUTED_PRIVACY_MODE
                      --> privacy_mode = "disabled"
t= 12 [st=  0]        NETWORK_DELEGATE_BEFORE_START_TRANSACTION  [dt=0]
t= 12 [st=  0]        HTTP_CACHE_GET_BACKEND  [dt=0]
t= 12 [st=  0]       +HTTP_STREAM_REQUEST  [dt=1]
t= 12 [st=  0]          HTTP_STREAM_JOB_CONTROLLER_BOUND
                        --> source_dependency = 10138 (HTTP_STREAM_JOB_CONTROLLER)
t= 13 [st=  1]          HTTP_STREAM_REQUEST_BOUND_TO_JOB
                        --> source_dependency = 10139 (HTTP_STREAM_JOB)
t= 13 [st=  1]       -HTTP_STREAM_REQUEST
t= 13 [st=  1]       +URL_REQUEST_DELEGATE_CONNECTED  [dt=0]
t= 13 [st=  1]          PRIVATE_NETWORK_ACCESS_CHECK
                        --> client_address_space = "loopback"
                        --> resource_address_space = "loopback"
                        --> result = "allowed-potentially-trustworthy-same-origin"
t= 13 [st=  1]       -URL_REQUEST_DELEGATE_CONNECTED
t= 13 [st=  1]       +HTTP_TRANSACTION_SEND_REQUEST  [dt=0]
t= 13 [st=  1]          HTTP_TRANSACTION_SEND_REQUEST_HEADERS
                        --> GET / HTTP/1.1
                            Host: localhost:60334
                            Connection: keep-alive
                            sec-ch-ua-platform: "macOS"
                            Subscribe: true
                            User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36
                            sec-ch-ua: "Not:A-Brand";v="99", "Google Chrome";v="145", "Chromium";v="145"
                            sec-ch-ua-mobile: ?0
                            Accept: */*
                            Sec-Fetch-Site: same-origin
                            Sec-Fetch-Mode: cors
                            Sec-Fetch-Dest: empty
                            Referer: http://localhost:60334/
                            Accept-Encoding: gzip, deflate, br, zstd
                            Accept-Language: en-US,en;q=0.9
t= 13 [st=  1]       -HTTP_TRANSACTION_SEND_REQUEST
t= 13 [st=  1]       +HTTP_TRANSACTION_READ_HEADERS  [dt=1]
t= 13 [st=  1]          HTTP_STREAM_PARSER_READ_HEADERS  [dt=1]
t= 14 [st=  2]          HTTP_TRANSACTION_READ_RESPONSE_HEADERS
                        --> HTTP/1.1 200 OK
                            Content-Type: message/http-sequence
                            Cache-Control: no-store
                            Date: Sun, 08 Mar 2026 02:21:40 GMT
                            Connection: keep-alive
                            Keep-Alive: timeout=5
                            Transfer-Encoding: chunked
t= 14 [st=  2]       -HTTP_TRANSACTION_READ_HEADERS
t= 14 [st=  2]        NETWORK_DELEGATE_HEADERS_RECEIVED  [dt=0]
t= 14 [st=  2]     -URL_REQUEST_START_JOB
t= 14 [st=  2]      URL_REQUEST_DELEGATE_RESPONSE_STARTED  [dt=0]
t= 14 [st=  2]      HTTP_TRANSACTION_READ_BODY  [dt=0]
t= 14 [st=  2]      URL_REQUEST_JOB_FILTERED_BYTES_READ
                    --> byte_count = 41
t= 14 [st=  2]     +HTTP_TRANSACTION_READ_BODY  [dt=119+]
t=133 [st=121]

Changed text

Open file

9705: URL_REQUEST
http://localhost:60334/
Start Time: 2026-03-07 15:32:38.513

t=8921 [st=0] +CORS_REQUEST  [dt=0]
               --> cors_preflight_policy = "consider_preflight"
               --> is_revalidating = false
               --> request_headers = {
                     "headers": [
                       "sec-ch-ua-platform: \"macOS\"",
                       "Subscribe: true",
                       "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36",
                       "sec-ch-ua: \"Not:A-Brand\";v=\"99\", \"Google Chrome\";v=\"145\", \"Chromium\";v=\"145\"",
                       "sec-ch-ua-mobile: ?0",
                       "Accept: */*"
                     ],
                     "line": "GET / HTTP/1.1\r\n"
                   }
               --> url = "http://localhost:60334/"
t=8921 [st=0]    CHECK_CORS_PREFLIGHT_REQUIRED
                 --> preflight_required = true
                 --> preflight_required_reason = "disallowed_header"
t=8921 [st=0]   +REQUEST_ALIVE  [dt=0]
                 --> priority = "MEDIUM"
                 --> traffic_annotation = 101845102
                 --> url = "http://localhost:60334/"
t=8921 [st=0]      NETWORK_DELEGATE_BEFORE_URL_REQUEST  [dt=0]
t=8921 [st=0]      TRANSPORT_SECURITY_STATE_SHOULD_UPGRADE_TO_SSL
                   --> get_sts_state_result = false
                   --> host = "localhost"
                   --> host_found_in_hsts_bypass_list = false
                   --> should_upgrade_to_ssl = false
t=8921 [st=0]     +URL_REQUEST_START_JOB  [dt=0]
                   --> initiator = "http://localhost:60334"
                   --> load_flags = 73732 (CAN_USE_SHARED_DICTIONARY | SKIP_CACHE_VALIDATION | SUPPORT_ASYNC_REVALIDATION)
                   --> method = "GET"
                   --> network_isolation_key = "http://localhost http://localhost"
                   --> request_type = "other"
                   --> site_for_cookies = "SiteForCookies: {site=http://localhost; schemefully_same=true}"
                   --> url = "http://localhost:60334/"
t=8921 [st=0]        FIRST_PARTY_SETS_METADATA  [dt=0]
                     --> cache_filter = "none"
                     --> frame_entry = "none"
                     --> top_frame_primary = "none"
t=8921 [st=0]        COMPUTED_PRIVACY_MODE
                     --> privacy_mode = "disabled"
t=8921 [st=0]        NETWORK_DELEGATE_BEFORE_START_TRANSACTION  [dt=0]
t=8921 [st=0]        HTTP_CACHE_GET_BACKEND  [dt=0]
t=8921 [st=0]        HTTP_CACHE_OPEN_OR_CREATE_ENTRY  [dt=0]
                     --> result = "opened"
t=8921 [st=0]        HTTP_CACHE_ADD_TO_ENTRY  [dt=0]
t=8921 [st=0]        HTTP_CACHE_READ_INFO  [dt=0]
t=8921 [st=0]       +URL_REQUEST_DELEGATE_CONNECTED  [dt=0]
t=8921 [st=0]          PRIVATE_NETWORK_ACCESS_CHECK
                       --> client_address_space = "loopback"
                       --> resource_address_space = "loopback"
                       --> result = "allowed-potentially-trustworthy-same-origin"
t=8921 [st=0]       -URL_REQUEST_DELEGATE_CONNECTED
t=8921 [st=0]        NETWORK_DELEGATE_HEADERS_RECEIVED  [dt=0]
t=8921 [st=0]     -URL_REQUEST_START_JOB
t=8921 [st=0]      URL_REQUEST_DELEGATE_RESPONSE_STARTED  [dt=0]
t=8921 [st=0]      HTTP_CACHE_READ_DATA  [dt=0]
t=8921 [st=0]      URL_REQUEST_JOB_FILTERED_BYTES_READ
                   --> byte_count = 563
t=8921 [st=0]      HTTP_CACHE_READ_DATA  [dt=0]
t=8921 [st=0] -CORS_REQUEST
t=8921 [st=0] -REQUEST_ALIVE