The Other Tools in This Family

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  Build an .htaccess file from options: redirects, security headers, caching, clean URLs, with the output explained line by line. https://htaccess.tools/

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  See whether a page can be indexed at all: meta robots, X-Robots-Tag, canonical, noindex conflicts, and what Google is likely to do with it. https://indexcheck.tools/

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  Fetch and test a robots.txt: syntax, which crawlers are blocked from which paths, and whether a given URL is allowed. https://robotscheck.tools/

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  Validate an XML sitemap: structure, URL count, lastmod dates, and whether the listed pages answer 200 and are canonical. https://sitemapcheck.tools/

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  Check hreflang and canonical tags across a cluster of pages: return links, x-default, invalid codes and canonicals that cancel the tags. https://hreflang.tools/

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  Follow every redirect hop with timing and read the final response headers explained: status, caching, compression, security, certificate. https://httpcheck.tools/

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  Grade a site's security headers from A+ to F, with the exact line to send for each, and build a CSP for Apache, nginx, Caddy or Cloudflare. https://securityheaders.tools/

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  List the cookies a page sets with their flags and purpose, the trackers it loads, and whether a consent banner gates them. https://cookiecheck.tools/

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  Preview how a link unfurls on X, Facebook, LinkedIn, Discord, Slack and iMessage, with every Open Graph tag and image problem flagged. https://socialpreview.tools/

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  Generate a docker-compose.yml or a Dockerfile from a form, or paste one and have every line explained and checked. https://dockercompose.tools/

Each one runs from its own domain and keeps to its own subject, so a report never tries to sell you the next tool. When two of them overlap (a canonical tag shows up in the index checker and in the hreflang checker, a security header in both header tools) the overlap is deliberate: each site checks what it needs for its own verdict and links out for the rest.