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SEO & marketing
Sitemap validator
Sitemap validator
Fetch sitemap.xml or a sitemap index, validate the XML, sample URLs with lastmod / priority.
Sitemap URL or domain
Validate
Copy share link
The link encodes your inputs in the URL fragment. Nothing is uploaded.
SEO & marketing
All tools
Robots.txt analyzer
Parse a domain's robots.txt and simulate a crawler per User-Agent against a given path.
Meta tag inspector
Fetch a URL and list every meta + link tag grouped by namespace: standard, OpenGraph, Twitter, canonical, alternates.
Schema.org validator
Paste JSON-LD or a full HTML fragment. Every <script type="application/ld+json"> block is extracted, parsed and checked for missing @context, missing @type and recommended fields per Google Rich Results.
Broken link checker
Crawl a site, list every URL with its HTTP status. Respects robots.txt and crawl-delay.
OG card preview
See how a URL renders as a Twitter card, LinkedIn share and Slack unfurl: with warnings for missing or oversized fields.
Lighthouse score
Perf, SEO, A11y, Best Practices for any URL.