AI Search Visibility Checker — see if ChatGPT and AI Overviews cite your site vietcodex.dev

A free browser extension that reads the AI answer already on your screen and tells you
which sources it cited, whether you’re one of them, and which competitors took the spot.
Also gives any page a 0–100 AI-readiness score with the top issues ranked by impact.
Free tier: 5 checks a day, no account, nothing leaves your browser.