404Buddy
Fix an errorToolsHTTP status codesArticlesAbout

Browse by category

CMS & crawl errors

Sitemaps, robots.txt, redirect loops, and mixed content that affect SEO.

  • Redirect loop detectedRequests bounce between URLs without reaching a stable page—often conflicting canonicalization rules.
  • robots.txt blocking important pagesCrawlers obey Disallow rules—misconfigured robots.txt can hide whole sections from search.
  • Sitemap not foundCrawlers or tools could not fetch your sitemap URL—404, wrong path, or blocking rules.
  • WooCommerce payment gateway errorCheckout failed at the PSP—credentials, webhooks, or currency mismatch.
  • WordPress critical errorPHP fatals before the theme loads—plugin conflict, syntax error, or exhausted memory.
Fix an error·Tools·HTTP status codes

404Buddy

Practical help for HTTP, browser, and server errors—without the noise.

Tools

  • URL status
  • Redirect checker
  • Header checker
  • Broken links
  • Canonical
  • Robots.txt
  • Sitemap
  • Fix an error

Legal

  • Privacy & cookies
  • Terms of use
  • About
  • Contact

Learn

  • HTTP status code hub
  • HTTP error fixes
  • Browser error fixes
  • Articles
© 2026 404Buddy. Built for clarity—not clickbait.

Cookies & privacy

We use cookies and similar tech for first-party analytics and, if you allow, personalized ads (Google AdSense). Read our Privacy & cookie notice.