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Private browser analysis

Know exactly what is holding your page back.

A complete SEO, keyphrase, readability, and page-structure report — from raw HTML to a prioritized repair brief. No account, no content upload.

38named checks
9technical checks
0content sent to us

Analyze a page

Paste, upload, or fetch the rendered HTML. The engine reads headings, paragraphs, links, images, title, and metadata.

0 extracted words
Advanced analysisSecondary phrases, language, snippet fields
Private by design. Your content is processed locally and never posted to PageLens.

Scores, defects, evidence, and a repair prompt.

Paste a complete HTML document for the richest result, or load the example to see the full experience.

What gets measured

Every check, named — no black box.

38 checks across search, readability, and page structure. Each one expands into its threshold, the evidence behind it, and a concrete next action in your report.

01

Search optimization

19 checks

Keyphrase placement

  • Keyphrase in SEO title
  • Keyphrase in meta description
  • Keyphrase in introduction
  • Keyphrase in subheadings
  • Keyphrase in URL
  • Keyphrase distribution
  • Keyphrase density

Keyphrase quality

  • Keyphrase length
  • Function words in keyphrase
  • Function words in URL

Links & images

  • Internal links
  • Outbound links
  • Competing links
  • Images & alt text

Titles & length

  • SEO title width
  • Meta description length
  • URL length
  • Content length
  • Taxonomy text length
02

Readability

10 checks

Reading flow

  • Reading ease
  • Sentence length
  • Paragraph length
  • Transition words

Voice & clarity

  • Passive voice
  • Consecutive sentence beginnings
  • Word complexity

Structure & presence

  • Subheading distribution
  • Meta description sentences
  • Text presence
03

Page & technical

9 checks

Indexing & structure

  • SEO title
  • Meta description
  • Canonical URL
  • Indexability
  • Heading hierarchy

Media & rendering

  • Image alt text
  • Long text alignment

Data & social

  • Structured data (JSON-LD)
  • Social preview (Open Graph)
Advanced keyphrases — score secondary phrases independently Cornerstone mode — stricter thresholds for high-stakes pages Repair-ready export — copy a prioritized defect brief

Built for sensitive drafts

Your article stays in the browser.

Pasted and uploaded HTML is analyzed locally by a dedicated Web Worker. URL fetching is attempted directly from your browser and depends on the target site allowing cross-origin access.