How Much of Your Blog Does AI Search Actually Grab? Breaking Down Claude's WebSearch and WebFetch

A while back I wrote Is SEO Not Enough? Meet AEO — Getting Your Site Found by AI Search, and right after finishing it a question hit me: when AI does a web search, how much of my blog does it actually grab? The whole article verbatim? The first 500 characters? Or does it bail after seeing just the title? So I dug into it, and this post walks through Anthropic's official web_search and web_fetch tool specs, runs a quick test against my own blog, and ends with what all this concretely means for ho...