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Browser-based · No account needed

On-page SEO Audit

Inspect supplied HTML for indexability, metadata, headings and canonical conflicts.

Work with your actual page data

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

Paste page source or import an HTML file. Scripts are not executed. URLs are not fetched.

Source-only analysis; no crawl, HTTP status, headers, rendering, indexing or rankings check. Title/description length warnings are editorial heuristics. 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 On-page SEO Audit

  1. Prepare the page / site url, page html source; 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

Creates a prioritized findings report with evidence and repair actions for missing or duplicate metadata, noindex directives, canonical targets, heading structure and document language. Review source or rendered HTML from your own browser.

Supported files, limits & important details

Source-only analysis; no crawl, HTTP status, headers, rendering, indexing or rankings check. Title/description length warnings are editorial heuristics. 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

Internal Link AuditAudit page links for empty anchors, duplicate targets and crawlability hints.Browser-basedOpen toolImage SEO AuditFind missing image alternatives, sizing hints and loading priorities in HTML.Browser-basedOpen toolCrawl Export SEO AuditorPrioritize missing/duplicate metadata and indexability conflicts across a crawl CSV.Browser-basedOpen tool

Questions about On-page SEO Audit

How do I use On-page SEO Audit?

Prepare the page / site url, page html source; 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 On-page SEO Audit?

No. On-page SEO Audit 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 On-page SEO Audit?

Creates a prioritized findings report with evidence and repair actions for missing or duplicate metadata, noindex directives, canonical targets, heading structure and document language. Review source or rendered HTML from your own browser.

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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