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, custom metrics, Wappalyzer, Lighthouse, 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.

`_custom`

Custom properties.

`_00_reset`

A reset value.

`_Colordepth`

The color depth of the screen.

`_Dpi`

The DPI (dots per inch) of the screen.

`_Images`

The number of images on the page.

`_Resolution`

The screen resolution.

`_a11y`

Accessibility information.

`_almanac`

Almanac information.

`_aurora`

Aurora information.

`_avg_dom_depth`

The average depth of the DOM.

`_cms`

Content Management System (CMS) information.

`_crawl_links`

[description]

`_css`

[description]

`_css-variables`

[description]

`_doctype`

[description]

`_document_height`

[description]

`_document_width`

[description]

`_ecommerce`

[description]

`_element_count`

[description]

`_event-names`

[description]

`_fugu-apis`

[description]

`_has_shadow_root`

[description]

`_img-loading-attr`

[description]

`_initiators`

[description]

`_inline_style_bytes`

[description]

`_javascript`

[description]

`_lib-detector-version`

[description]

`_localstorage_size`

[description]

`_markup`

[description]

`_media`

[description]

`_meta_viewport`

[description]

`_num_iframes`

[description]

`_num_scripts`

[description]

`_num_scripts_async`

[description]

`_num_scripts_sync`

[description]

`_observers`

[description]

`_origin-trials`

[description]

`_performance`

[description]

`_privacy`

[description]

`_pwa`

[description]

`_quirks_mode`

[description]

`_responsive_images`

[description]

`_robots_meta`

[description]

`_robots_txt`

[description]

`_sass`

[description]

`_security`

[description]

`_sessionstorage_size`

[description]

`_structured-data`

[description]

`_third-parties`

[description]

`_usertiming`

[description]

`_valid-head`

[description]

`_well-known`

[description]

`_wpt_bodies`

[description]

`_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]