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description= Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.;
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Text of the page (random words):
webpagetest website performance and optimization test platform webpagetest menu start test test history features opportunities experiments api carbon control new enterprise monitoring website performance monitoring real user monitoring rum api monitoring dns monitoring bgp monitoring cdn monitoring pricing resources docs blog events forums shop gear lightning fast web performance online course free start now find us on twitter youtube linkedin github about login sign up test experiment improve webpagetest the gold standard in web performance testing lightning fast web performance online course learn to analyze performance fix issues and deliver fast websites from the start free start course now introducing carbon control experimental new in webpagetest measure your site s carbon footprint and run no code experiments to find ways to improve say hello to all of the webpagetest features you already love plus api access no code experiments view plans learn more play pause video start a site performance or core web vitals lighthouse visual comparison traceroute test enter url to test simple configuration 3 test runs from recommended location and browser presets mobile 4g virginia us chrome on an emulated motorola g gen 4 tested from virginia us on a 9 mbps 4g connection with 170ms of latency desktop cable virginia us chrome desktop tested from dulles virginia us on a 5 mbps cable connection with 28ms of latency mobile 3g mumbai in chrome on an emulated motorola g gen 4 tested from mumbai in on a 1 6 mbps 3g connection with 300ms of latency desktop cable toronto ca edge desktop tested from toronto ca on a 5 mbps cable connection with 28ms of latency desktop cable frankfurt de firefox desktop tested from frankfurt de on a 5 mbps cable connection with 28ms of latency run carbon control experimental measures carbon footprint chromium browsers only include repeat view loads the page closes the browser and then loads the page again run lighthouse audit runs on chrome emulated moto g4 device over simulated 3g fast connection advanced configuration choose from all browser location device options test location virginia ec2 salt lake city utah gce california ec2 toronto canada ec2 sao paulo brazil ec2 ireland ec2 london uk ec2 paris ec2 amsterdam nl gce frankfurt germany ec2 milan italy ec2 stockholm sweden ec2 cape town south africa ec2 bahrain ec2 dubai uae azure mumbai india ec2 bangkok thailand tencent singapore ec2 jakarta indonesia gce hong kong china ec2 shanghai china tencent beijing china tencent ningxia china ec2 taiwan gce seoul korea ec2 tokyo japan ec2 osaka japan ec2 sydney australia ec2 melbourne australia azure los angeles ca m1 mac mini ios chrome firefox safari new york ny m1 mac mini ios chrome firefox safari select from map browser chrome chrome beta chrome canary firefox firefox nightly firefox esr brave edge 0 pending tests test settings advanced chromium script block spof custom connection cable 5 1 mbps 28ms rtt dsl 1 5 mbps 384 kbps 50ms rtt 3g slow 400 kbps 400ms rtt emerging markets 3g 400 kbps 400ms rtt 3g 1 6 mbps 768 kbps 300ms rtt 3g fast 1 6 mbps 768 kbps 150ms rtt 4g 9 mbps 170ms rtt lte 12 mbps 70ms rtt mobile edge 240 kbps 200 kbps 840ms rtt 2g 280 kbps 256 kbps 800ms rtt 56k dial up 49 30 kbps 120ms rtt fios 20 5 mbps 4ms rtt native connection no traffic shaping custom bw down bw up latency packet loss kbps kbps ms desktop browser dimensions default 1366x768 1024x768 1280x720 1280x1024 1366x768 1440x900 1600x900 1920x1080 1920x1200 number of tests to run 1 2 3 4 5 6 7 8 9 repeat view first view and repeat view first view only label stop test at document complete typically tests run until all activity stops ignore ssl certificate errors e g name mismatch self signed certificates etc capture network packet trace tcpdump save response bodies for text resources html css etc preserve original user agent string do not add ptst to the browser ua string user agent string custom ua string append to ua string disable avif image support firefox and chromium based browsers only disable webp image support firefox and chromium based browsers only disable jpeg xl image support firefox and chromium based browsers only capture full size video enables full size screenshots in the filmstrip minimum test duration capture data for at least seconds custom headers add custom headers to all network requests emitted from the browser type in or read from a text file inject script javascript to run after the document has started loading type in or read from a text file inject script into all frames and run before any page scripts run chrome only run carbon control experimental measures carbon footprint run lighthouse audit uses a 3g fast connection independent of test settings capture dev tools timeline enable v8 sampling profiler much larger traces capture v8 runtime call stats capture chrome trace about tracing trace categories when tracing is enabled capture network log enable data reduction chrome 34 on android use chrome dev tools traffic shaping not recommended host resolver rules i e map 1 2 3 4 command line custom options enter script or read it from a text file script includes sensitive data the script will be discarded and the http headers will not be available in the results discard all http headers check out the documentation for more information on this feature block requests containing url substrings space separated list type in or read from a text file block domains full host names space separated list of domains type in or read from a text file simulate failure of specified domains this is done by re routing all requests for the domains to blackhole webpagetest org which will silently drop all requests hosts to fail one host per line type in or read from a text file custom metrics type in or read from a text file see the documentation for details on how to specify custom metrics to be captured select test location virginia ec2 salt lake city utah gce california ec2 toronto canada ec2 sao paulo brazil ec2 ireland ec2 london uk ec2 paris ec2 amsterdam nl gce frankfurt germany ec2 milan italy ec2 stockholm sweden ec2 cape town south africa ec2 bahrain ec2 dubai uae azure mumbai india ec2 bangkok thailand tencent singapore ec2 jakarta indonesia gce hong kong china ec2 shanghai china tencent beijing china tencent ningxia china ec2 taiwan gce seoul korea ec2 tokyo japan ec2 osaka japan ec2 sydney australia ec2 melbourne australia azure los angeles ca m1 mac mini ios chrome firefox safari new york ny m1 mac mini ios chrome firefox safari experiments are a game changer for quantifying the speed impact of performance optimizations what took days of technical work is now just a few clicks not only will this save tons of time it will let us test and iterate ideas to find the right mix of recommendations efficiently i m blown away this exists it feels like magic todd parker partner filament group real experience test your user s real experience with global locations modern devices and the latest browser versions video capture correlate your user s visual experience to the technical measurements of your site in depth metrics dive into the anatomy of your webpage with components like dns tcp tls and more what s new on the webpagetest blog better performance testing through the power of defaults see how data supports the idea that we can influence a healthier approach to performance testing through our product decisions edit response html introducing a new webpagetest experiment type introducing html diffs what changed between the page s html as sent by the server over the network and the html that the browser finally used to render the page when the test was complete recent industry blog posts submit your proposals for interop 2024 new to the web platform in september effectively loading ads without impacting page speed css subgrid the link between early detection and internet resilience a lesson from salesforce s outage recent discussions wpt submissions result in test not found tips to make each run complete faster most of the tests don t start today filmstrip missing in tests in private windows instance custom metrics on nodejs wrapper find us on contact sales terms of service privacy policy catchpoint systems inc all rights reserved
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