Fix your foundations · 23 free tools
Free Technical SEO Tools
Audit the technical signals that decide whether you rank — robots.txt, schema, canonicals, page speed, broken links, Open Graph and SSL.
Opengraph Viewer
Paste a URL and see the card it produces when someone shares it — title, description, image.
View OpengraphOpen Graph Generator
Write the Open Graph tags, preview the card, copy the markup.
Generate Open Graph tagsRobots.txt Checker
Fetch any site's robots.txt and test one URL against it: allowed, or blocked by which rule.
View robots.txtNoindex Checker
Whether a page is set to noindex, checking the header and the meta tag both.
Check noindexBroken Link Checker (404 Checker)
Every link on a page that no longer resolves, in one list.
Check broken links404 Page Checker
Scan one page for dead internal and outbound links, and see where each one pointed.
Check linksOn-Page SEO Checker
Titles, metas, headings, images, links and keyword use on a single page, with the fixes.
Check on-page SEOWebsite Speed Test
Load time, interactivity and layout stability, measured rather than estimated.
Check page speedSchema Markup Generator (JSON-LD)
Build valid JSON-LD for the schema.org types worth having, required properties included.
Generate markupFavicon Checker
Which icons your site actually serves — favicon, Apple touch, Android, Windows tiles.
Check iconsCanonical Tag Scanner
Read the canonical on every page and catch the ones pointing somewhere they should not.
Scan tagsOn-Page SEO Audit
Every on-page issue on one URL, sorted by how much it costs you, with the element that caused it.
Audit pageSchema Markup Validator
Every JSON-LD block on a page, parsed and checked against the properties Google requires for each type.
Validate schemaHeading Checker
The H1 to H6 outline of a page in order, with skipped levels, missing H1s and empty headings flagged.
Check headingsMeta Description Length Checker
Your title and description measured in pixels, the way Google cuts them, with a live result preview.
Check lengthKeyword Rank Checker
Where your domain ranks on Google for a keyword, live, and whether the AI Overview cites you.
Check rankingUTM Builder
Campaign URLs with clean, lowercase UTM parameters, so GA4 attributes every visit to the right source.
Build URLFAQ Schema Generator
Turn questions and answers into valid FAQPage JSON-LD, ready to paste into your page.
Generate schemaAlt Text Generator
Three alt text options for any image URL, under 125 characters and written for screen readers and image search.
Generate alt textReady when you are
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