The Only SEO Extension You Need

See how any page is doing in seconds, whether you're an SEO pro or have never heard of a meta tag. Click the icon on any page and get an instant SEO check. No account, no setup, and no page data sent to any server. Everything runs right in your browser. ✨ TWO MODES, ONE CLICK APART 👋 Simple mode – for everyone Business owners, marketers, copywriters and project managers get a plain-English answer to one question: is this page OK? • A verdict in one sentence, plus a score from 0 to 100 • The three things to fix first, ranked by impact • Who should fix each one – your developer or whoever edits your content • "Copy this list for your team" – paste it straight into an email or ticket • A preview of how your page looks in Google search results • A preview of how your link looks when shared on Facebook, LinkedIn or X • Speed explained in plain words: how fast it appears, whether it stays steady, how quickly it reacts 🛠️ Expert mode – for developers and SEO specialists Every value the extension measures, across 8 tabs with clear pass, warn and faime score – just every detail. 📋 Overview An overall SEO score from 0 to 100 with issues prioritised by impact, so you see at a glance what needs attention and what already looks good. 🏷️ Meta Tags Page title, meta description, robots directives, viewport, charset, refresh, autor. Title and description lengths come with visual guides. 📱 Social Previews Open Graph and Twitter Card metadata with image previews, plus favicon, Apple Touch Icon and theme colour. ✍️ Content Word count, reading level, H1 usage, heading hierarchy and keyword frequency, with a visual heading tree that makes structural issues easy to spot. ⚙️ Technical SEO Canonical URL, HTTPS, the full redirect chain, URL depth, robots.txt, sitemap.xml, noindex and nofollow, mixed content, pagination links, HTML language and hreflang back-references. ⚡ Performance Core Web Vitals – LCP, CLS and INP – together with FCP, TTFB, DOM size and render-blocking resources. 🔗 Links & Images Internal and external links, nofollow, sponsored and UGC links, target="_blank" without noopener, image alt text, lazy loading, srcset and missing image dimensions. 🧩 Structured Data JSON-LD with syntax highlighting and schema type detection, Microdata and RDFa detection, and one-click links to Google Rich Results Test and Schema.org Validator. 🌗 Looks right day and night Light and dark themes follow your system automatically. 🔒 Private by design All analysis runs locally in your browser. No registration, no external API, no analytics, ads or tracking. The only thing the extension remembers is whether you prefer Simple or Expert mode. Replace your SEO tab collection with one extension.