https://citerankscore.com/blogAI search visibility, GEO, and agentic AI.https://citerankscore.com/blog/does-llms-txt-workhttps://citerankscore.com/blog/does-llms-txt-work467 probes across ChatGPT, Perplexity, Claude, Gemini and Grok, on 59 domains including Stripe, Notion, Vercel and Zapier. In 179 normally-phrased questions, llms.txt content reached an answer zero times, while the engines cited those same sites 100 times. The file is read only when you hand over the URL.2026-09-10https://citerankscore.com/blog/ai-agent-protocol-adoption-studyhttps://citerankscore.com/blog/ai-agent-protocol-adoption-studyA crawl-based census of 287 major companies across SaaS, retail, and the Fortune 100. We requested 21 agent protocol endpoints from each, then tested how every site responds to a real AI agent. Five expose a callable interface.2026-08-29https://citerankscore.com/blog/ai-visibility-scorehttps://citerankscore.com/blog/ai-visibility-scoreAn AI visibility score measures how likely AI engines are to find, trust, and cite your site. Here is the exact five-layer methodology, real grade bands, and why a single score is misleading without a volatility check.2026-08-24https://citerankscore.com/blog/why-isnt-my-website-cited-by-aihttps://citerankscore.com/blog/why-isnt-my-website-cited-by-aiA root-cause breakdown of the 10 most common reasons AI engines skip a site in favor of a competitor, each one a real, testable technical or content signal, not a guess.2026-08-21https://citerankscore.com/blog/otterly-vs-peec-vs-profound-vs-citerankhttps://citerankscore.com/blog/otterly-vs-peec-vs-profound-vs-citerankPricing, methodology, and what each tool actually measures, from someone who built one of them. Includes real cost-per-prompt math and the prompt design trap no other comparison mentions.2026-08-17https://citerankscore.com/blog/chatgpt-vs-perplexity-citation-strategyhttps://citerankscore.com/blog/chatgpt-vs-perplexity-citation-strategyA 100,000-prompt study found only 11% domain overlap between ChatGPT and Perplexity citations. Here is what that means, and how to build platform-specific playbooks for each.2026-08-15https://citerankscore.com/blog/how-to-rank-in-google-ai-overviewshttps://citerankscore.com/blog/how-to-rank-in-google-ai-overviewsGoogle AI Overviews sit on top of search and quote a handful of sources. Here is how eligibility works, which signals get you pulled in, and a step-by-step plan. With original data.2026-08-12https://citerankscore.com/blog/agent-ready-websites-mcp-webmcp-agentic-aihttps://citerankscore.com/blog/agent-ready-websites-mcp-webmcp-agentic-aiAI agents are starting to browse, decide, and buy on behalf of users. Here is what an agent-ready website is, the protocols that matter (MCP, WebMCP, A2A, x402), and how to prepare before your competitors do.2026-08-11https://citerankscore.com/blog/ai-readiness-study-saas-brandshttps://citerankscore.com/blog/ai-readiness-study-saas-brandsWe ran 19 well-known SaaS brands through our AI Visibility Score. The best was Zapier at 69. No site earned an A or a B. Here is the original data and what it means for you.2026-08-10https://citerankscore.com/blog/get-cited-by-ai-chatgpt-perplexity-ai-overviewshttps://citerankscore.com/blog/get-cited-by-ai-chatgpt-perplexity-ai-overviewsA practical, tested guide to becoming a source AI engines quote. How each engine picks citations, the passage formula that works, and the fixes that get you in the answer.2026-08-10https://citerankscore.com/blog/generative-engine-optimization-guidehttps://citerankscore.com/blog/generative-engine-optimization-guideWhat GEO is, how AI engines decide who to cite, and a five-part framework to get your site quoted by ChatGPT, Perplexity, and Google AI Overviews. With original data.2026-08-09