SEO Checker & Nofollow Link Highlighter by DodoLaunch

Free SEO checker: highlight nofollow and dofollow links, check meta tags, headings, schema, Open Graph and llms.txt in one click.

Check the SEO of any web page in one click. Open the extension on a page to see its meta tags, headings, links, images, structured data, social tags and crawler rules, and highlight every dofollow and nofollow link right on the page. Made for founders, marketers and SEO specialists who audit pages and check their backlinks. Links • Highlight links on the page by type: dofollow in green, nofollow in red, sponsored or UGC in amber • See internal and external link counts • Add your own domain once to see whether a page links to you, and how • Filter the list and copy it as CSV Meta tags and indexability • Title and meta description with length checks • Canonical URL, robots meta tag and X-Robots-Tag header • HTTP status, language, word count and a search result preview Headings and images • The page's heading outline, with warnings for a missing or repeated H1 • Images with missing alt text or no set size Structured data and social tags • The schema types found on the page, with a link to Google's Rich Results Test • Open Graph and Twitter card tags, with a preview of the share card AI search readiness • Whether the site has an llms.txt file • Whether robots.txt blocks the crawlers used by AI search tools Private by design The extension runs in your browser and reads a page only when you click its icon. It has no account and no tracking, and sends nothing to DodoLaunch or anyone else. Free, made by DodoLaunch (https://dodolaunch.com), the launch platform for SaaS and Mac apps.