Free website testing tools
Every tool runs the same real-browser scan: your site opened on desktop and phone, clicked through like a visitor would. Pick the one that matches what you're worried about.
Free mobile-friendly test
Google retired its Mobile-Friendly Test in 2023. Check your site at real phone width: layout, tap targets, text size, menus and buttons that fail.
Contact form tester
Find out if your contact form can be used at all: submit button, validation, mobile layout and the errors behind it. Free real-browser check.
Broken button checker
Link checkers miss buttons that run on JavaScript. Find buttons and menus that do nothing, on desktop and phone, with a free real-browser scan.
JavaScript error checker
See the JavaScript errors and failed requests your site throws for real visitors, on desktop and phone, without opening DevTools. Free scan.
Free website bug checker
Check your website for broken buttons, dead links, mobile layout bugs, JavaScript errors, accessibility and speed. Free real-browser scan, no signup.
AI website tester
An AI website tester that opens your site in a real browser, clicks through it on desktop and phone, and explains every problem in plain English.
Looking for a specific problem? Browse the fix guides.