CORS Checker

CORS Checker reviews Cross-Origin Resource Sharing headers on any URL, helping you detect risky configurations, exposed origins, weak policies, and header issues that may affect website and API security.

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Complete Guide

CORS Checker for Cross-Origin Resource Sharing Header Audits

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SEO Score Checker

Analyze any URL and get an instant SEO health score covering meta tags, headings, links, and on-page factors.

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Robots Txt Checker

Fetch and analyze any domain's robots.txt file — view disallow rules, crawl directives, and sitemap declarations.

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Sitemap Checker

Enter any domain to locate its XML sitemap, validate the format, check accessibility, and count total URLs.

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Noindex Checker

Detect noindex and nofollow directives on any URL that may prevent Google from crawling or indexing the page.

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Hreflang Checker

Validate hreflang tags on any URL for international SEO — detect missing return tags and incorrect language codes.

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Schema Markup Checker

Detect JSON-LD and Microdata structured data on any URL and validate schema types for rich snippet eligibility.

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