Performance Proxy

Enter a URL and select performance optimisations, a resulting URL will be generated for testing.

Cross-origin images will not be optimised. Failure is probable with all optimisations. Test with Chrome for most reliable results.

Made for personal experimental use only by Simon Hearne. Contribute on GitHub.

Feature Toggles
Advanced Features
Injections (each on a new line)

Request Blocking

Direct Testing

Visit page in a new tab (note that you may see cross-origin errors accessing directly)

WebPageTest Script

Open WebPageTest. Read more about WebPageTest scripts here.