HAR blob
Appears in: pages
table
JSON-encoded blob of HAR data for the page. See payload.json, for example.
The actual schema of the HAR object is liable to change, depending on a number of factors including the output from WebPageTest and more.
Schema
startedDateTime
The date and time the test started, in ISO 8601 format
title
The title of the page
id
The ID of the test
testID
The WebPageTest ID of the test
pageTimings
The page load timings
_loadTime
The time it took to load the page, in milliseconds
_docTime
The time it took to load the page content, in milliseconds
_fullyLoaded
The time it took for the page to load and network activity to go quiet, in milliseconds
_bytesOut
The number of bytes sent by the browser
_bytesOutDoc
The number of bytes sent by the browser at the time of the DOMContentLoaded event
_bytesIn
The number of bytes received by the browser
_bytesInDoc
The number of bytes received by the browser at the time of the DOMContentLoaded event
_requests
The number of requests made by the browser
_requestsFull
The number of requests made by the browser at the time of the load event
_requestsDoc
The number of requests made by the browser at the time of the DOMContentLoaded event
_responses_200
The number of responses with a 200 status code
_responses_404
The number of responses with a 404 status code.
_responses_other
The number of responses with a status code other than 200 or 404.
_result
The result of the test.
_testStartOffset
The offset from the test start time, in milliseconds.
_cached
Indicates whether the page was loaded from cache (1 if cached, 0 otherwise).
_optimization_checked
Indicates whether optimization checks were performed (1 if checked, 0 otherwise).
_main_frame
Indicates whether the request was for the main frame (1 if main frame, 0 otherwise).
_loadEventStart
The time when the load event started, in milliseconds.
_loadEventEnd
The time when the load event ended, in milliseconds.
_domContentLoadedEventStart
The time when the DOMContentLoaded event started, in milliseconds.
_domContentLoadedEventEnd
The time when the DOMContentLoaded event ended, in milliseconds.
_URL
The URL of the page.
_connections
The number of open connections made by the browser.
_final_base_page_request
The final base page request ID.
_final_base_page_request_id
The final base page request ID.
_final_url
The final URL of the page.
_domInteractive
The time when the DOM became interactive, in milliseconds.
_firstPaint
The time of the first paint, in milliseconds.
_firstContentfulPaint
The time of the first contentful paint, in milliseconds.
_firstMeaningfulPaint
The time of the first meaningful paint, in milliseconds.
_renderBlockingCSS
The time spent on render-blocking CSS, in milliseconds.
_renderBlockingJS
The time spent on render-blocking JavaScript, in milliseconds.
_metadata
Metadata related to the test.
_TTFB
The time to first byte, in milliseconds.
_basePageSSLTime
The time spent on SSL for the base page, in milliseconds.
_score_cache
The cache score of the page.
_score_cdn
The CDN score of the page.
_score_gzip
The gzip score of the page.
_score_cookies
The cookies score of the page.
_score_keep-alive
The keep-alive score of the page.
_score_minify
The minify score of the page.
_score_combine
The combine score of the page.
_score_compress
The compress score of the page.
_score_etags
The ETags score of the page.
_score_progressive_jpeg
The progressive JPEG score of the page.
_gzip_total
The total size of resources after gzip compression, in bytes.
_gzip_savings
The savings achieved through gzip compression, in bytes.
_minify_total
The total size of minified resources, in bytes.
_minify_savings
The savings achieved through minification, in bytes.
_image_total
The total size of images, in bytes.
_image_savings
The savings achieved through image optimization, in bytes.
_base_page_cdn
The CDN used for the base page.
_cpuTimes
CPU times related to the test.
_cpuTimesDoc
CPU times related to the document.
_v8Stats
V8 engine statistics.
_tester
The tester name.
_start_epoch
The start epoch timestamp.
_osVersion
The operating system version.
_os_version
The operating system version.
_osPlatform
The operating system platform.
_date
The date.
_browserVersion
The browser version.
_browser_version
The browser version.
_fullyLoadedCPUms
The fully loaded CPU time in milliseconds.
_fullyLoadedCPUpct
The fully loaded CPU percentage.
_audit_issues
The number of audit issues.
_document_URL
The URL of the document.
_document_hostname
The hostname of the document.
_document_origin
The origin of the document.
_viewport
The viewport information.
_domElements
The number of DOM elements.
_domComplete
The time taken for the DOM to complete, in milliseconds.
_origin_dns
DNS information about the origin.
_detected
Detected technologies and applications.
_detected_apps
Detected applications.
_detected_technologies
Detected technologies.
_detected_raw
Raw detection data.
_base_page_ip_ptr
The PTR record of the base page IP.
_base_page_cname
The CNAME record of the base page.
_base_page_dns_server
The DNS server of the base page.
_browser_name
The browser name.
_eventName
The event name.
_test_run_time_ms
The test run time in milliseconds.
_testUrl
The test URL.
_interactivePeriods
[description]
_lastVisualChange
[description]
_render
[description]
_visualComplete85
[description]
_visualComplete90
[description]
_visualComplete95
[description]
_visualComplete99
[description]
_visualComplete
[description]
_SpeedIndex
[description]
_largestPaints
[description]
_LargestContentfulPaintType
[description]
_LargestContentfulPaintNodeType
[description]
_chromeUserTiming
[description]
_blinkFeatureFirstUsed
[description]
_TTIMeasurementEnd
[description]
_LastInteractive
[description]
_testID
[description]
_run
[description]
_step
[description]
_effectiveBps
[description]
_domTime
[description]
_aft
[description]
_titleTime
[description]
_domLoading
[description]
_server_rtt
[description]
_CrUX
[description]
_edge-processed
[description]
_consoleLog
[description]