Audisto Crawler Hints
XML Sitemap Validator Crawl Efficiency & SEO Tool
What is the XML sitemap checker for
Ensure Sitemap Validity: Detect issues with XML sitemap formats including invalid URLs, malformed lastmod dates, and duplicate entries that could confuse search engines.
Optimize Crawl Guidance: Find problems with URL accessibility, protocol consistency, and proper escaping that affect how search engines discover your content.
Maintain Clean Structure: Identify issues with hreflang implementation, sitemap organization, and URL normalization that could impact indexing efficiency.
Monitor Sitemap Health: Track changes in XML sitemap implementation to maintain effective search engine guidance and prevent discovery issues.
How to check XML sitemap issues at scale
Sitemaps guide discovery
Proper XML sitemap implementation is crucial for efficient content discovery. Our analysis helps you maintain accurate and effective sitemaps across your website. While our quick check provides immediate sitemap insights for single pages, our full crawler ensures consistent sitemap implementation across your entire website.
Critical Sitemap related hints
XML sitemaps: <html:link> is no hreflang link
This hint identifies all XML sitemap files that contain a <xhtml:link> which is not a valid hreflang link.Learn more
XML sitemaps: <lastmod> in the future
This hint identifies all XML sitemap files and XML sitemap index files that contain a <lastmod> definition with a datetime value in the future.Learn more
XML sitemaps: <lastmod> invalid
This hint identifies all XML sitemap files and XML sitemap index files that contain an invalid <lastmod> definition.Learn more
XML sitemaps: URL invalid or empty
This hint identifies all XML sitemap files and XML sitemap index files that contain an invalid or empty URL reference.Learn more
Problem indicating Sitemap related hints
XML sitemaps: Linked HTML page has no user level
This hint identifies all HTML documents that were discovered via a XML sitemap but are unreachable for users via <a href> links.Learn moreXML sitemaps: URL duplicate
This hint identifies all XML sitemap files and XML sitemap index files that contain multiple URL references that normalize to the same URL within a parent tag.Learn more
Informational Sitemap related hints
XML sitemaps: <lastmod> misses time
This hint identifies all XML sitemap files and XML sitemap index files that contain a <lastmod> definition without a time.Learn moreXML sitemaps: Linked from sitemap
This hint identifies all URLs that were found within XML sitemap files.Learn moreXML sitemaps: Linked from sitemap index
This hint identifies all URLs that were found within XML sitemap index files.Learn moreXML sitemaps: URL not HTTP(S)
This hint identifies all XML sitemap files and XML sitemap index files that contain a URL reference that is neither HTTP nor HTTPS.Learn moreXML sitemaps: URL not normalized or URL-escaped
This hint identifies all XML sitemap files and XML sitemap index files that contain URL references that are not normalized or URL-escaped.Learn more