# isready.ai > Free, open-source audit that checks whether a website or SaaS is readable, > crawlable and optimized for LLMs and AI search engines (ChatGPT, Claude, > Perplexity, Gemini). Enter a URL, get a scored 0-100 report with concrete > fixes, or run `npx isreadyai ` in a terminal. ## What it checks - Crawler access: robots.txt rules for every major AI crawler (GPTBot, OAI-SearchBot, ClaudeBot, Claude-SearchBot, PerplexityBot, Google-Extended), Cloudflare/anti-bot challenges, redirects, TTFB, noindex. - Rendering: raw vs JS-rendered content comparison — most AI crawlers do not execute JavaScript. - Structured data: JSON-LD, meta basics, Open Graph, author/E-E-A-T signals. - Trust: HTTPS, TLS, HSTS, mixed content. - Content (GEO): depth, heading structure, statistics and citations, per "GEO: Generative Engine Optimization" (Aggarwal et al., KDD 2024). ## Links - [Web scanner](https://isready.ai) - [Source code](https://github.com/isreadyai/isreadyai) — scanner engine & CLI are open source (MIT); the hosted dashboard is source-available under PolyForm Shield, © Smart Squad S.r.l.