Field notes from the AI search frontier.
ChatGPT and Perplexity barely cite the same sources
ChatGPT and Perplexity overlap on barely 11% of the sources they cite. There is no single "AI search" to optimize for anymore, and here is how each engine actually chooses.
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The 38,000-to-1 gap between what AI crawls and what it cites
AI bots crawl tens of thousands of pages for every one they cite. Most of that funnel is unstudied, which means it is also unoptimized. Here is what happens between a crawl and a citation.
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The shopping query your product page never sees
Google's Conversational Attributes let you write feed copy that AI shopping answers match to natural-language queries. How to do it without keyword stuffing.
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How one HTTP header can feed Googlebot a stale, fragmented copy of your page
One response header decides how many copies of each URL your CDN stores, and almost no SEO audit checks it. Here is how Vary fragments your cache, feeds Googlebot stale HTML, and what to set instead.
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Why your JavaScript content can show up in Google days after you publish it
Google reads your page twice. Raw HTML first, rendered JavaScript second. The render queue is where new content waits to get indexed, and most teams misread the lag. Here is how it works and how to catch it in Search Console.
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How the Post-Redirect-Get pattern hides billions of junk filter URLs from Googlebot
A store with 32 filter parameters can generate 4,294,967,296 unique URLs. That is 2 raised to the 32nd power, and it assumes the laziest possible math, one on/off state per facet. Add a second value to any facet and the count climbs past four billion fast. Every one of those URLs is a door Googlebot has to open before it can decide the room behind it is empty.
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Getting cited in AI Overviews tells you almost nothing about whether AI Mode can see you
Two Google surfaces answer the same query, agree on the answer about 86% of the time, and cite the same URLs only 13.7% of the time. That last number comes from Ahrefs, which compared 540,000 query pairs across AI Overviews and AI Mode. The gap is the whole story. A citation in AI Overviews is weak evidence, close to none, that AI Mode will surface you for the same search.
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What It Takes to Make Your Website Agent-Ready in 2026
The web was built for human eyes. An AI agent reads it differently. It parses the underlying structure rather than skimming the layout, and it wants a clean, machine-readable list more than a category page to look at. It also does more than read now, filling carts and paying on behalf of a person who never visits your site at all.
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Your AI citation screenshot is just a rank-one brag wearing new clothes
Open LinkedIn on any given morning and you will see it. A screenshot of ChatGPT, a brand name highlighted in yellow, a caption underneath about how the agency got their client "cited by AI." Three years ago the same people posted a screenshot of a Google result sitting at position one. Different platform, same yellow highlighter, same empty flex.
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Search Console Now Shows Where AI Cites You, and Almost Nothing Else
Google added Generative AI performance data to Search Console, a view of how often your URLs appear in AI Overviews and AI Mode, alongside generative features in Discover https://developers.google.com/search/blog/2026/06/gen-ai-performance-reports. For the first time, you can see which of your pages are surfacing inside Google's AI answers. It is also one of the thinnest reports the tool has ever shipped.
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