Frank Vitetta | AI search and SEO consultant

# frankvitetta.com > I'm Frank Vitetta, an AI search and SEO consultant. I help brands get found and cited in AI answers and in Google. I also write sourced essays. This is the personal site of Frank Vitetta, an AI search and SEO consultant based in London. Every article cites its sources at the end. Contact is through the form at https://frankvitetta.com/contact/. ## Essays - [How AI answer engines pick and cite sources](https://frankvitetta.com/essays/how-ai-answer-engines-choose-sources/): What Google, OpenAI, Perplexity, Anthropic and Microsoft have documented about how AI answers choose and cite sources. What is still unknown. - [Prompt wording and ChatGPT brand mentions](https://frankvitetta.com/essays/prompt-wording-brand-mentions-chatgpt/): In 8,555 ChatGPT answers, how-to prompts named the brand 30.8% of the time and compare prompts 59.3%. Why AI visibility scores depend on the questions. - [AI crawlers and robots.txt guide](https://frankvitetta.com/essays/ai-crawlers-robots-txt-guide/): What GPTBot, OAI-SearchBot, ChatGPT-User, ClaudeBot, PerplexityBot and Google-Extended each do according to their operators, with a sample robots.txt. - [Measuring AI visibility: what is measurable](https://frankvitetta.com/essays/measuring-ai-visibility/): What first-party reports from Google and Bing show about AI visibility. What prompt sampling can only estimate. What cannot be measured today. - [What an AI visibility report actually checks](https://frankvitetta.com/essays/ai-visibility-report-checks/): Five checks that decide whether a page can be found, read and quoted by AI answer engines. Run on this site, with every number you can open. - [What works in AI search in late 2026: my GEO verdict](https://frankvitetta.com/essays/geo-experiments-verdict-2026/): OtterlyAI tested Reddit, LinkedIn, fresh dates, AI content and listicles. My verdict on each GEO tactic, with a checklist you can copy. - [Google's AI ROI report: what it means for AI search](http