wptagent

Cross-platform WebPageTest agent (currently supports Chrome only on Windows and Linux)

Currently supported features

• Page Navigation
• Mobile Emulation
• Custom browser window size
• Multiple runs
• First/Repeat View
• Ending tests at onload or by network activity (web10 test option)
• Network Waterfalls with request/response headers
• Response Bodies
• CPU Utilization
• Bandwidth Utilization
• Traffic-shaping
• Screen Shots (JPEG with quality and PNG)
• Video Capture (60fps)
• Visual metrics (Start render, Speed Index, Visually Complete)
• User Timing Marks
• Navigation Timing
• Ignoring TLS Errors
• Minimum test duration
• Custom user agent strings
• Custom headers
• Custom command-line options
• Custom Metrics
• Dev Tools Timeline
• Javascript timing (execution/parse)
• Time to Interactive
• Trace Capture
• Multi-step tests
• Request blocking
• SPOF testing
• Script Commands:
  • navigate
  • exec (execAndWait)
  • block
  • sleep
  • logData
  • combineSteps
  • setEventName
  • setUserAgent
  • setBrowserSize
  • setViewportSize
  • setDeviceScaleFactor
  • setTimeout
  • blockDomains
  • blockDomainsExcept
  • setDns
  • addHeader
  • setHeader (aliased to addHeader until devtools supports overriding headers)
  • setCookie

Not yet supported (actively being worked on)

• Android Support (replace NodeJS agent)
• Optimization checks
• Improved request timing (from netlog)
• HTTP/2 Push reporting
• HTTP/2 Stream Details
• Lighthouse integration
• Test sharding
• tcpdump
• Traceroute tests
• EC2/GCE config through user data
• Browser installs/updates
• Exit after running for specified time (i.e. hourly)
• Windows general cleanup/health (temp files, downloads, killing processes, etc)
• Script Commands that will be translated into exec:
  • click (clickAndWait)
  • selectValue
  • sendClick
  • sendKeyDown
  • setInnerHTML
  • setInnerText
  • setValue
  • submitForm
• Other Script Commands:
  • setActivityTimeout
  • requiredRequest
  • setDOMRequest
  • waitForJSDone (change semantics to console log message)
  • overrideHost (depends on support being added to dev tools)
  • if/else/endif

Not Supported (no plans to implement)

• Netlog (rely on netlog trace events instead)
• Disable Javascript
• Script Commands:
  • setABM
  • setDOMElement
  • waitForComplete
  • setDnsName
  • overrideHostUrl
  • ignoreErrors
  • logErrors
  • loadFile
  • loadVariables
  • minInterval
  • endInterval
  • expireCache
  • firefoxPref
  • resetHeaders