# Siftly > Generative Engine Optimization (GEO) platform. We help businesses increase visibility and win customers in AI search — ChatGPT, Claude, Perplexity, and Google AI Overviews. ## Free tools - [AI Crawler Accessibility Audit](https://siftly.ai/free-tools/crawler-audit): Free check that confirms whether GPTBot, ClaudeBot, PerplexityBot, and Googlebot can read your site. Returns issues plus copy-paste fixes. - [llms.txt Generator](https://siftly.ai/free-tools/llms-txt-generator): Free tool that crawls your homepage and key pages, then drafts a production-style llms.txt file you can edit and host at /llms.txt. - [Free Tools Hub](https://siftly.ai/free-tools): Index of all free GEO and AI SEO tools. ## Product - [Siftly Answers](https://siftly.ai/answers): AI brand monitoring, citation tracking, ChatGPT visibility, competitor benchmarking, share of voice, and GEO content — how ChatGPT, Claude, Perplexity, and Google AI Overviews recommend your B2B and services brand. - [Siftly Shopping](https://siftly.ai/shopping): Track and improve how AI shopping assistants and Google AI Overviews surface your products. - [AI Brand Monitoring Guide](https://siftly.ai/guide/ai-brand-monitoring): How to track brand mentions, sentiment, share of voice, and citations across AI engines. - [AI Citation Tracking](https://siftly.ai/features/ai-citation-tracking): Product page for measuring which sources ChatGPT, Perplexity, and AI Overviews cite. - [Generative Engine Optimization Guide](https://siftly.ai/guide/generative-engine-optimization): GEO strategy for earning mentions and citations in generated answers. - [AI Brand Visibility Guide](https://siftly.ai/guide/ai-brand-visibility): Metrics and workflows for measuring brand presence in AI search. - [About](https://siftly.ai/about): Company background and mission. - [Team](https://siftly.ai/team): The people building Siftly. ## Resources - [Blog](https://siftly.ai/blog): Articles on GEO, AI search optimization, and case studies. - [AEO Glossary](https://siftly.ai/glossary/answer-engine-optimization): Definition of answer engine optimization. - [AI Brand Monitoring Glossary](https://siftly.ai/glossary/ai-brand-monitoring): Definition of AI brand monitoring. - [Docs](https://docs.siftly.ai): Product documentation. ## Optional - [Privacy Policy](https://siftly.ai/privacy)