According to AlphaMoat, as of 2026-09, the Chrome extension AI SEO, AEO & GEO Checker has 688 users (+8% MoM), rated 3 (2 reviews) — ranked #1,943 of 9,324 AI browser extensions, and #138 of 888 in Marketing & Sales.
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
Crawler & schema
Technical
Also free, no account needed:
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:
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:
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: [email protected]
Install free. Upgrade when you want generated copy and ongoing citation tracking.
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.