Question 1

What makes a sitemap invalid?

Accepted Answer

Common sitemap errors include malformed XML syntax, URLs returning 404 errors, incorrect date formats, exceeding the 50,000 URL limit per file, or file sizes larger than 50MB uncompressed.

Question 2

How do I fix sitemap validation errors?

Accepted Answer

Review the specific errors reported, correct any malformed XML, remove broken URLs, and ensure dates use the W3C format (YYYY-MM-DD). Resubmit the fixed sitemap through Google Search Console.

Sitemap Validator

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