Highlighter SEO

SEO tool to help visualize page structure titles, paragraphs and image alt. It also helps to verify the correct design of a web page

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. ──────────────────────────────────────── 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.