Login with Google
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
Enable Video Capture?
Make Results Private?
Recent Industry Blog Posts
Supercharging Firewall Events for Self-Serve
Live Preview: Build and Test Workers Faster with Wrangler CLI 1.2.0
Cloudflare Global Network Expands to 193 Cities
Building a GraphQL server on the edge with Cloudflare Workers
On the recent HTTP/2 DoS attacks
Magic Transit makes your network smarter, better, stronger, and cheaper to operate
Magic Transit: Network functions at Cloudflare scale
The Serverlist: Building out the SHAMstack
Introducing Certificate Transparency Monitoring
Technology Bursts Through Borders: Performance Monitoring in China
Fast Websites Are Good for the World
How Time To First Byte (TTFB) Impacts Your Site’s Performance
Terminating Service for 8Chan
How to Read a Waterfall Chart
Medianova Recognized in Gartner’s 2019 Market Guide for CDN Services
Why I’m Helping Cloudflare Grow in Australia & New Zealand (A/NZ)
Why The Screen Size Matters When Consuming News Content
Report: Video Piracy will cost OTT And Pay-TV Companies Up To $12.5 Billion By 2024 As Annual Loss
Building a Culture of Performance in Springfield: The Simpsons as Metrics
Scroll of a page
I am able to see a huge number of tests in getlocations.php when i have triggered non
Why is my waterfall out of order?
Chrome native lazy loading images not working
Document complete in 0 seconds with 0 requests
Multiple Initial connection for Domain when used HTTP2
Desktop Service Worker being fetched
Cached AMP pages break on WPT lighthouse test
Chrome network calls to clients1
iOS HTTP2 PUSH not working?
Multiple Chromium Host Resolver Rules Supported?
Need to know about Geo IPs for the test run in WPT?
Speed index not coherent
What to understand / diagnose from this loaded by?