Chrome extension

Test any page in one click

Yours, or your competitor's. The same 5-Second Test, right in your browser.

              
              competitor.com
              5s

Run the test on whatever page you're viewing — yours or a competitor's.

Free tests3 of 5 left

              Web
              
              Extension

Shares your free tests and credits with your account — nothing to manage twice.

Running test…~15s
✓

One click, a short wait, and the pass/fail report is on your screen.

The extension is on its way to the Chrome Web Store. Leave it to us — the button below goes live the moment it's published.

Until then

The web version runs the exact same test — paste a URL and get your verdict.

Run the free test