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Sitemap Validator

Validate sitemap XML, duplicate locations, host consistency and lastmod values.

Work with your actual page data

No crawling, tracking, account access or uploads. Paste source/data or import a local UTF-8 file.

Offline structural validation; does not fetch listed URLs or verify indexing. DTD/entity declarations are rejected. Browser input limit is lower than protocol limits. Maximum 1 million input characters in total and 5,000 data rows. Data is not saved between visits.

A smarter way to work with SEO & AEO

29 tools to audit, understand and improve your actual site evidence. URL crawling uses a local service after permission; source and export tools run in your browser.

AEO content

AEO Answer & Evidence AuditInspect answer structure, source passages, attribution and date evidence in HTML.Browser-basedOpen toolQuestion-to-Passage CoverageMatch your real customer questions to candidate passages from supplied HTML.Browser-basedOpen toolAuthored Q&A Markup BuilderTurn your reviewed question/answer pairs into visible HTML and matching JSON-LD.Browser-basedOpen toolAI Crawler Policy InspectorExplain supplied robots rules for selected AI/search crawler product tokens.Browser-basedOpen toolExperimental llms.txt BuilderCreate an explicit, human-reviewed resource guide for your site.Browser-basedOpen tool

Metadata & content

Meta Tag GeneratorBuild escaped canonical, robots, social and description tags with consistency checks.Browser-basedOpen toolMeta Description Drafting AssistantExtract page-based description candidates with keyword coverage and length feedback.Browser-basedOpen toolOpen Graph Preview BuilderGenerate Open Graph tags and inspect a safe local sharing preview.Browser-basedOpen toolSocial Card Tag BuilderBuild summary-card metadata with validated site handles and URLs.Browser-basedOpen toolKeyword & N-gram AnalyzerMeasure phrase frequency, headings and section coverage in copy or HTML.Browser-basedOpen toolSearch Snippet PreviewCompare title/description drafts in mobile and desktop snippet layouts.Browser-basedOpen tool

How to use Sitemap Validator

  1. Prepare the sitemap xml; use Load example to see the format.
  2. Run the analysis or builder. Review evidence, findings and stated limits.
  3. Copy the artifact or download the results; independently review before deploying SEO changes.

What this tool does

Parses a URL set or sitemap index, checks protocol namespace, entry structure, absolute locations and timestamp syntax, and creates a row-level repair report.

Supported files, limits & important details

Offline structural validation; does not fetch listed URLs or verify indexing. DTD/entity declarations are rejected. Browser input limit is lower than protocol limits. Local processing only. Total input: 1 million characters, at most 5,000 rows. No data is uploaded or stored.

Input limits are enforced before processing. Clear removes your input and result from this page. This tool does not store your input between visits.

Keep your workflow moving

On-page SEO AuditInspect supplied HTML for indexability, metadata, headings and canonical conflicts.Browser-basedOpen toolRobots.txt Rule TesterExplain which supplied robots rule allows or blocks each URL.Browser-basedOpen tool

Questions about Sitemap Validator

How do I use Sitemap Validator?

Prepare the sitemap xml; use Load example to see the format. Run the analysis or builder. Review evidence, findings and stated limits. Copy the artifact or download the results; independently review before deploying SEO changes.

Are files or text uploaded when I use Sitemap Validator?

No. Sitemap Validator processes your input in your browser. The tool does not upload your document or text for processing. Keep your original and review the result.

What should I check before relying on Sitemap Validator?

Parses a URL set or sitemap index, checks protocol namespace, entry structure, absolute locations and timestamp syntax, and creates a row-level repair report.

Need help choosing a workflow? Read our practical PDF and file guides. How your data is handled.

Site audits

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AEO content

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Local SEO

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Metadata & content

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Crawl & indexing

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Structured data

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International SEO

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Migration & reports

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