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Description
Free on-page SEO Chrome extension. Inspect titles, meta, schema, headings, images, and more in a side panel. ContentLens is a free on-page SEO Chrome extension that opens in Chrome's side panel and gives you a complete audit of any page in one click. What you get: Overview - SERP preview showing how your page appears in Google search results - Page title with character count and pixel width (tagged against Screaming Frog thresholds) - Meta description with character count and pixel width - Canonical URL, robots meta, indexability status - URL length check and language tag - Word count Headings - H1-H6 counts and full tree view - Skip-level detection (e.g. H2 jumping to H4) - Multiple H1 detection - Empty heading detection - Over-70-character warnings on H1s and H2s E-E-A-T signals - Author name, bio, and author page link (extracted from JSON-LD schema and DOM) - Published and modified dates with freshness tag - Flesch reading ease score - Multi-format detection (video, audio, iframe) Links - Content-only filter (excludes nav/footer links using semantic markup detection) - Total, unique, internal, external, and empty-anchor counts - Anchor text + URL for every link, filterable by type Images - Total count, missing alt, missing title - Alt coverage percentage with color-coded tag - Image preview with alt text inline - Filter to show only images missing alt - Lazy-load and srcset aware (handles data-src, picture elements) - Tracking pixels filtered out Schema - JSON-LD inline tree view with all @type values listed - Hreflang table Social - Open Graph and Twitter Card previews rendered with actual images - All og: and twitter: tags listed Performance - LCP, CLS, FCP, TTFB from the Performance API Technical - Schema vs HTML drift detection (catches unresolved template variables like [year]) - Redirect chain - X-Robots-Tag header check - robots.txt and sitemap.xml presence Copy for LLM - One-click export of the full audit as clean markdown - Ready to paste into Claude, ChatGPT, or any LLM to get fix recommendations PRIVACY: - No accounts, no signup - No data collection, no tracking - All analysis runs locally in your browser - The extension reads the page you're on and shows the results to you only Built by Kamila Olexa from Content Levers — content strategy and SEO resources for growth teams. Homepage: https://contentlevers.xyz