SEO On-Page Checker
Check a webpage for SEO issues including title tags, meta descriptions, headings, links, structured data, and more with our on-page SEO analysis tool.
Free H1 Tag & Heading Structure Checker
Check a page's H1 tag and overall heading structure.
Other SEO Tools
Title Tag & Meta Description Length Checker
Check a page’s title tag and meta description and view their character lengths.
Image Alt Text Checker
Check a page’s image alt texts, HTTP status codes, and broken links.
Internal & External Link, Anchor Text & Broken Link Checker
Check a page’s internal, external, and broken links, and view their anchor texts, URLs, HTTP status codes, nofollow attributes, and more.
Robots.txt Checker
Check your website's robots.txt file to see if a page is crawlable and view the XML sitemaps it contains.
Meta Robots & X-Robots-Tag Noindex/Nofollow Checker
Check a page’s meta robots tag to see whether it can be indexed and whether its links pass authority.
Canonical Tag Checker
Check a page’s canonical tag to see which URL search engines should index.
XML Sitemap Checker
Check your XML sitemaps, see which ones contain a specific URL, and view all sitemap entries listed in your robots.txt file.
Structured Data Checker
Check a page’s structured data and detect errors to see if it’s eligible for indexing and rich snippets.
Open Graph Checker
Check a page for Open Graph tags and see its titles, descriptions, images, locale, and more.
Hreflang Checker
View a page’s hreflang tags and see the linked URLs and target languages.
Viewport Meta Tag Checker
Check a page’s viewport meta tag to see how it controls mobile responsiveness and scaling.
Pagination Checker
Check pagination links on a page and see their URLs and canonical information.