AI SEO, AEO & GEO Checker - AI Visibility & AI Readability

Free AEO GEO checker for ChatGPT, Perplexity & Gemini. AI readiness score, llms.txt & schema audit, AI citation tracking.

Check any page for Answer Engine Optimization (AEO) and Generative Engine Optimization (GEO), then see whether ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews actually cite your domain. Most checkers stop at a score. SellOnLLM also tracks real citations for buyer-intent prompts, with competitor benchmarks and weekly alerts. The on-page scan is free. No API keys to configure. FREE — Page audit (AEO / GEO) Click the extension on any webpage. You get a readiness score (0–100), an A+ to F grade, and 21 checks across 9 weighted categories: SEO & meta • Title, description, canonical URL • Open Graph and Twitter Cards • Language and hreflang Crawler & schema • llms.txt at the site root • robots.txt rules for GPTBot, ClaudeBot, PerplexityBot, and GoogleOther • JSON-LD structured data completeness • Content quality, FAQs, freshness signals Technical • Sitemap, internal links, images, mobile viewport • HTTPS, accessibility, semantic HTML Also free, no account needed: • Colour-coded score on the toolbar icon • Category scores: Structured Data, Machine Readability, Citability, Meta, Authority, Internal Linking, Semantic HTML, Crawlability, Localization • Scan history with a sparkline and vs-last-scan deltas, stored locally • PASS / WARN / FAIL / INFO — a slightly long title is not reported as a failure • Weighted scoring — Structured Data and Machine Readability count 1.5x • Export as PDF, Markdown, CSV, HTML, JSON, or copy • Expandable recommendations for every check Tip: export as Markdown and paste it into your writing assistant to generate the fixes. FREE — Readability scan See how much of the page crawlers actually read. We compare the no-JS HTML bots fetch with the fully rendered page in your browser — words, headings, schema, and HTML side by side. Get a citability score and fix gaps before you wonder why answer engines ignore your content. UNLIMITED — Citation tracking ($10/month) This is the part most AEO / GEO checkers do not offer. Track whether answer engines cite your domain for the questions buyers actually ask: • Visibility score (0–100) — share of tracked prompts where you are cited • Suggest prompts and competitors from the page you are on (edit anytime, up to 8 prompts / 4 competitors) • Prompt-by-prompt breakdown — you vs competitors, citation positions, source links • Share of citations across your prompt set • Score trend over time • Save to a dashboard on sellonllm.com so reports survive closing the popup • Weekly monitoring — we re-check every Monday and email you when citations or competitor rankings change • Export copy, CSV, or PDF Try one visibility check free, no login. Unlimited unlocks ongoing checks, history, dashboard, and weekly alerts. STARTER — Create Content ($5 one-time) Turn the current page into stronger search- and answer-engine copy: • Meta title and description • On-page draft ready to paste into your CMS • 10 generations included (lifetime) • Link your browser once after checkout at sellonllm.com/extension-connect How it works 1. Install (free) 2. Open any page 3. Audit — score, grade, recommendations 4. Readability — what crawlers actually see 5. Create Content (Starter+) — generate meta and copy 6. Visibility (Unlimited) — run prompts, benchmark competitors, save to the dashboard Privacy On-page analysis runs against the current tab and stays local-first. Create Content and citation checks use SellOnLLM’s backend (Google sign-in for saved reports). We only process the domain, prompts, and page context you provide for those features. Full policy: https://www.sellonllm.com/chrome-extension-privacy-policy.html Help Extension: https://www.sellonllm.com/chrome-extension.html Activate plans: https://www.sellonllm.com/extension-connect.html Support: sellonlllm@gmail.com Install free. Upgrade when you want generated copy and ongoing citation tracking.