WebInspect / Try it
Test WebInspect right here.
Paste a link for a site report, or check a colour pair. Both run the extension's own code in this page.
Inspect a page
SEO, accessibility, mobile, security and the technology behind it.
Pages are fetched through Jina Reader and measured at phone width. Load speed needs the live page, so it is not scored here.
The extension reads the page you have open, measures load speed, and highlights each issue on the page itself. Add to Chrome
Check colour contrast
Pick a text and background colour, or paste any CSS colour.
Large text sample
Body text at normal size, the kind most of a page is made of.
-Ratio
-Body text
-Large text
The extension checks every text element on a real page this way, alongside SEO, accessibility, performance and security. Add to Chrome
Get the full report
One key on any site. Free, and nothing leaves your browser.