# FasterGEO > Open-source GEO (Generative Engine Optimization) platform covering both China and global AI engines. Measures whether AI knows, confuses, mentions, ranks, and cites your brand — then fixes it with machine-verified tickets. Free, Apache-2.0, self-hosted. ## Key facts - Covers 18 AI engines: ChatGPT, Claude, Gemini, Grok, Perplexity (global); GLM, Doubao, DeepSeek, Kimi, MiniMax, Qwen, ERNIE, Spark (China API) plus manual sampling for Baidu AI, Nano AI, ChatGPT web, Claude web, Google AI Overviews - The Brand Entity Funnel: knows → doesn't confuse → considers → ranks → cites - Recognition judging classifies answers as knows / unknown / confused, with quoted evidence; brand confusion is a P0 alert - Improvement tickets carry machine-verifiable acceptance criteria; done is confirmed by re-crawl and regressions flip back automatically - Content drafts are constrained to a sourced fact store and gated by a fabrication lint - Works with zero API keys via manual sampling sheets - Install: npx fastergeo ## Pages - [Home](https://fastergeo.co/): product overview, entity funnel, quickstart, FAQ - [Free GEO tools](https://fastergeo.co/tools/): GEO score checker, AI crawler access checker, llms.txt generator — no sign-up - [GEO Score Checker](https://fastergeo.co/tools/geo-score-checker/): six-dimension page audit, graded A-D - [AI Crawler Access Checker](https://fastergeo.co/tools/ai-crawler-checker/): per-crawler robots.txt verdict for 9 AI bots - [llms.txt Generator](https://fastergeo.co/tools/llms-txt-generator/): drafts llms.txt from real site content - [For agencies](https://fastergeo.co/agency/): GEO service delivery with machine-verified acceptance - [中文页面](https://fastergeo.co/zh/): Chinese landing page — AI 认知五关 - [GitHub](https://github.com/arronyounging/fastergeo): source code, Apache-2.0 - [npm](https://www.npmjs.com/package/fastergeo): package, CLI