SEO Tools

Find broken links on a page.

Check canonical URL tags on a page.

Generate an XML sitemap from a list of URLs.

Validate XML sitemap structure and loc entries.

Fetch and inspect a site’s robots.txt Disallow rules and Sitemap entries.

Generate a robots.txt file from common presets.

Find favicon link tags and check /favicon.ico for a site.

Detect common CMS platforms from HTML and headers.

List images found in a page’s HTML.

Extract unique http(s) links from a web page.

Preview a website screenshot via a third-party service.

View the raw HTML source returned by a URL (truncated for large pages).

Detect frameworks, servers, and analytics on a site.

Analyse H1–H6 structure from HTML.

Find images missing or empty alt text on a page.

Measure keyword and phrase density in text.

Analyse meta tags from a URL.

Generate title, description, canonical, and social meta tags.

Extract Open Graph title, description, and image from a page.

Preview Open Graph social sharing cards.

Preview how a title and description may look in Google.

Preview X (Twitter) card markup before you publish.

Estimate HTML document weight from a URL.

Generate JSON-LD structured data for common types.

Run heuristic accessibility checks on a page’s HTML.

List Set-Cookie headers returned by a website.