How to measure AI search visibility
Measure it in four layers: AI crawlers in your logs, impressions and citations in Search Console and Bing, AI referrals in analytics and scheduled prompt checks for mentions.
Guides
Evergreen answers to the questions that matter now, kept up to date.
llms.txt in 2026: what it does, what Google says, whether to bother
llms.txt is a Markdown index of your site for AI tools. Google Search ignores it and no study shows a citation lift, so publish one only if developers or agents read your docs.
AI Overviews and clicks: how to read the CTR studies
Every major study finds fewer organic clicks when an AI Overview appears, from about 5% to about 60% depending on what was measured. Read the method before the headline.
How AI answer engines choose the sources they cite
They retrieve candidate pages from a search index, often across several sub-queries, then cite a few. In controlled tests topical match and position matter most; formatting alone barely counts.
SEO, AEO and GEO: what each one covers and where to start
SEO gets a page found, AEO makes it the direct answer and GEO gets it cited in AI answers. Start with SEO: Google only uses indexed, snippet-eligible pages in its AI features.