Page analysis

Inspect pasted HTML, structured data and search exports.

24 tools in this part of the catalogue.

Keyword Density Checker

Count words and letters, then highlight repeated words in place.

Internal and External Link Analyzer

Sort every link in pasted HTML into internal, external and more.

Schema Markup Generator and Validator

Build JSON-LD for ten types, or check a pasted block.

Heading Structure Analyzer

Paste page HTML to see the heading outline and order gaps.

Search Console Export Analyzer

Summarize or compare Search Console CSV exports by item.

HTML Accessibility Hints Checker

Check pasted HTML for nine common accessibility hints.

Email HTML Preview and Safety Checks

Preview sanitized email HTML locally.

Local Site Reference Auditor

Review references across a supplied page bundle.

Canonical and Indexability Matrix

Compare canonical and indexing declarations.

Hreflang Cluster Auditor

Review reciprocal language alternate clusters.

Redirect Migration Map Auditor

Inspect a migration map before installing rules.

HTTP Cache Freshness Simulator

Model cache freshness and validation restrictions.

Multi-Run HAR Asset Budget Analyzer

Compare local HAR runs against an entered budget.

Responsive Image Markup Planner

Plan srcset and sizes from supplied dimensions.

Source Map Inspector

Inspect position mappings and embedded-source counts.

HTML Form Serialization Tester

See which text controls become request entries.

Stylesheet Compatibility Auditor

Review selected CSS features against pinned records.

Newsletter HTML Template Builder

Build a newsletter layout from your own sections.

HTTP Content Negotiation Tester

Compare HTTP representation preferences.

JSON-LD Reference Graph Auditor

Review JSON-LD relationships across documents.

HTTP Multipart Body Inspector

Read multipart boundaries and part inventories.

Font-Stack Text Coverage Checker

Check text against an entered font stack.

HTML Microdata to JSON-LD Extractor

Turn supplied microdata into a reviewable draft.

Static Unused CSS Selector Report

Review selector matches in a static snapshot.