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Test a website's performance
Mobile testing is provided by
and you will be taken to the Akamai website for the results.
Select a device
Cambridge, MA - iPhone 4 iOS 5
Munich, Germany - iPhone 4 iOS 5
Washington, DC iPad iOS 5
Ohio iPhone Simulator, 3G Speed iOS 5
Dulles, VA Nexus S Android 2.3
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Recent Industry Blog Posts
When Design Best Practices Become Performance Worst Practices [SLIDES]
Velocity highlights (video bonus!)
New findings: The median top 100 ecommerce page takes 6.2 seconds to render primary content
How to create the illusion of faster web pages (while also creating actual happier users)
How Fast Is… FIFA’s World Cup Website?
Velocity 2014 – Key Highlights
6 sure-fire ways to ensure your mobile visitors never come back
SSL Performance Diary #1: The Certificate Chain
DNS Look up + Time to first byte
Uploading External Har files to Webpagetest
CSV Report columns changed
Cancel All outstanding tests
Is SpeedIndex expected to be the same for Cached View as well as First View?
Mobile image quality
Comparing Different Web Servers
Black Screen shot gotten testing IE11
Akamai change - huge jump in first load
Test Error: Data is missing in scheduling large number of runs per job
TTFB (12 secs +)
inconsistencies displaying all metrics despite same parameters
KeyCDN - Special Deal!
got only one frame in video
Test times out on private instance but not on webpagetest.org
Can we have Wildcard DNS Name substitution
setDNSName is not working in the script
Raw data CSV format is changed
Can't Get IE 10 Agent To Work (Register)
Getting Individual Test IDs from a bulktest ID
New Test Locations?
testInfo on running/queued tests