Highlighter Seo

SEO Analyzer Extension for Chrome

Welcome to version 4.6!

Since 4.0, the extension has grown from an on-page highlighter into a complete
technical-SEO toolkit — 13 new analysis tools, smoother workflows, and
zero-config Google integrations, all from a native Side Panel.

WHAT'S NEW (4.1 → 4.6)
- Search Console & Index tools (NEW in 4.6): one-click access to URL Inspection,
Performance, Rich Results, Mobile-Friendly and PageSpeed — zero configuration,
using your existing Google session (no sign-in, no setup).
- SEO Score: a composite on-page score with prioritized fixes.
- Core Web Vitals: real LCP / CLS / INP data via the Google PageSpeed Insights API.
- Images Audit: flag missing ALT text, oversized images and lazy-loading issues.
- Schema.org viewer: inspect structured data (JSON-LD / microdata).
- Social Cards: preview Open Graph & Twitter Card metadata as shared.
- SERP Preview: see how your title and description render in Google results.
- HTTP Headers: inspect response headers, caching and security directives.
- Hreflang checker: validates language/region tags and reciprocity.
- Tech Stack detection: identify CMS, frameworks, analytics and libraries.
- HTML vs DOM diff: compare raw server HTML against the rendered DOM (spot
JavaScript-injected content).
- User-Agent switcher: render pages as Googlebot, mobile, or a custom agent.
- Contacts extractor: pull emails, phone numbers and social profiles.
- Expanded AI: connect OpenAI, OpenRouter or a local Ollama model.
- CSV export across reports.
- SF Pro design, bento-grid layout, 9 languages (auto-detect), Side Panel by
default with auto-refresh on navigation.

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Revamp your website's search engine performance with our comprehensive SEO
Analyzer Extension. Gain valuable insights, identify key optimization
opportunities, and stay ahead of the competition — all directly from your
Chrome browser.

UNLEASH THE POWER OF DATA-DRIVEN SEO

On-page
- Meta Overview: display meta titles, descriptions and favicons at a glance.
- Content Highlighter: highlight titles, paragraphs and links to spot issues fast.
- Image ALT Text & Images Audit: make sure every image is optimized.
- Title Management: count titles, analyze average length, and review the Hn panel.
- Schema.org, Social Cards & SERP Preview: see your structured data, share cards
and Google snippet exactly as users and crawlers do.
- Word Analysis: meta keywords, word count, phrase occurrences, and stop-word
removal for full control over your content strategy.

Technical
- SEO Score & Core Web Vitals: a clear health score plus real performance data.
- HTTP Headers: caching, security and server directives.
- Security & Speed: verify SSL and Google cache status.
- Tech Stack detection, HTML vs DOM diff & User-Agent switcher: see what really
ships to the browser — and to Googlebot.
- Developer Controls: temporarily disable CSS and JS to focus on content.

Off-page & crawl
- Follow Tags & Backlinks: highlight follow/nofollow, external links and indexed
backlinks for a full off-page review.
- Advanced Site Crawling: spot duplicate titles, 404 pages and read robots.txt.
- Redirect Tracing: 301 redirects and color-coded HTTP status badges.
- Canonical & Internationalization: pinpoint canonical URLs and hreflang tags
(with reciprocity check) — critical for global SEO.
- Contacts: extract emails, phone numbers and social profiles.

Google integration
- Search Console & Index tools: jump straight to Google's official inspection,
performance and testing tools for the current page — zero configuration.

Productivity
- AI Integration: bring your own key for OpenAI or OpenRouter, or run a local
Ollama model, for in-browser assistance and real-time SEO feedback.
- Instant Documentation: a notes panel to record changes, insights and next steps.
- CSV Export: export your reports in one click.
- Error Flagging: 404 errors highlighted in red so you can fix them immediately.

Take your SEO strategy to the next level with precise insights, actionable data,
and hassle-free optimization — right where you need it most.