SEO Lens: On-Page SEO, GEO & AI Crawler Checker

Local SEO, GEO, broken-link and pixel audit for metadata, content, schema, social previews and AI crawlers. No data upload.

Run a fast, on-demand SEO, GEO and tracking audit for any webpage - directly in your browser. SEO Lens helps SEO specialists, marketers, content teams and developers understand how a page appears to search engines, social platforms and AI-powered discovery systems. Analysis starts only when you click the extension and runs locally in your browser. 🔍 SEO OVERVIEW • Get an instant 0–100 on-page SEO score. • Review passed checks, items needing attention and critical noindex warnings. • Access actionable improvement guidance. ⚙️ METADATA & TECHNICAL SEO • Inspect title and meta description with character counts and estimated display width. • Check robots directives, canonical URL, language, keywords and word count. • Check robots.txt, sitemap.xml and llms.txt for the current site. • Review schema / JSON-LD in a dedicated Schema tab. • Inspect nested structured-data properties, invalid JSON-LD blocks and export detected schema as JSON. 📊 TRACKING & PIXELS • Detect Meta Pixel, TikTok Pixel, Google Analytics and Google Tag Manager. • View detected tracking IDs when available. • Copy each detected ID with one click. • Detection indicates that a tracking script or identifier is present on the page. 🔗 LINK & IMAGE AUDITS • Review internal and external links in separate tabs. • Check anchor text, destination URLs, nofollow status and link security signals. • Run an on-demand broken-link scan and identify HTTP 4xx/5xx responses. • View a clear explanation and likely impact for each detected HTTP error. • Export broken links, URLs and HTTP status codes to CSV. • Review image thumbnails, dimensions, source URLs and alt-text status. 📝 CONTENT & KEYWORDS • Review the complete H1–H6 structure with visual hierarchy. • See heading totals by level and identify empty headings. • Analyze a target keyword or exact phrase in article content or the full page. • Measure occurrences, density and key placements: title, meta description, headings, URL, first 100 words, body content and image alt text. • Explore frequent one-word, two-word and three-word phrases. 📱 SOCIAL PREVIEWS • Preview how a page may appear on Facebook, LinkedIn, Zalo and X. • Inspect Open Graph and Twitter Card metadata. • Open supported sharing-debugging tools when a social preview needs refreshing. 🤖 GEO & AI SEARCH READINESS • Get a separate GEO readiness score based on observable page signals. • Check whether site directives allow or restrict common AI search and model-training crawlers. • Review answer extractability, evidence, trust, entity understanding, discovery and freshness signals. • Detect authorship, dates, supporting sources, question headings, lists, tables, entity schema and sameAs references. • Treat llms.txt as an optional experimental signal without reducing the GEO score. 🔒 PRIVATE BY DESIGN • Analysis is user-initiated and limited to the page you choose. • SEO Lens does not upload analyzed page content or reports to the developer. • The broken-link scan requests domain access only after you click the check button. • No account, API key, advertising tracker or analytics SDK is required. • No browsing history or analyzed page content is retained. • Only the selected interface language is stored locally. 🌍 LANGUAGES English, Simplified Chinese, Hindi, Spanish and Vietnamese. Open any HTTP or HTTPS webpage, click SEO Lens, and immediately see what is working and what can be improved for search, social sharing and AI-powered discovery.