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The Search Herald

Only the most important SEO news

VOL. XI, No. 3979 - Archive
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The 5-layer framework for measuring GEO performance

AI visibility dashboards can’t answer the ROI question on their own. Here’s how to build a more credible GEO measurement model. Search Engine Land

Google Ads costs keep rising, but conversion rates improved in 2025

Google Ads is getting more expensive, but advertisers improving conversion efficiency are still finding ways to grow. Search Engine Land

Google Adds Markdown Files To Help Docs But Not Used For Search

Google has added markdown files, .md.txt files, to the Google Search help documents. But John Mueller from Google said that these are not being used for Search or generative AI responses in Search. Search Engine Roundtable

Google I/O 2026 Search Ranking Volatility & Update

Today is Google I/O, where Google announces many of its new features across its products, including Google Search. It is not uncommon to see Google search ranking volatility spike around Google I/O, [...] Search Engine Roundtable

OpenAI / ChatGPT Has A Web Cache

OpenAI's ChatGPT web search feature does offer a web cache, an offline, locally stored version of web pages that have been previously crawled. This should not come as a surprise, as all search [...] Search Engine Roundtable

Bing Tests New Fonts, Links & Products Within Copilot Answers

Microsoft is running a number of tests and experiments for Bing Search and the Copilot answers within Bing Search. These tests include font changes, link updates, product results and more. Search Engine Roundtable

Microsoft Clarity New AI Citations Report

Microsoft, not to be outdone by Google, added AI citations to Microsoft Clarity, its web analytics tool. This report shows how your content is referenced in AI-generated answers. Search Engine Roundtable

How AI may increase the value of SEO expertise

As AI automates repetitive SEO tasks, the biggest advantage may go to practitioners who know how to guide it. Search Engine Land

AI search loves listicles: What 25,000 URLs reveal about citations by Evertune

A review of 25,000 URLs yielded insights about the type of content most cited by ChatGPT and other popular large language models. Search Engine Land

Daily Search Forum Recap: May 19, 2026

Here is a recap of what happened in the search forums today... Search Engine Roundtable

Google Search Universal Cart, expands UCP and AP2

Google's Shopping Graph is now over 60 billion products. Search Engine Land

Google lets you build your own app within Google Search with agentic coding

This is powered by Google Antigravity and uses Gemini 3.5 right in Google Search. Search Engine Land

Google Search gains information agents and improved agentic experiences

Google will continuously scan the web to give you updated information on your search - as an agent would do. Search Engine Land

Google Search now powered by Gemini 3.5 Flash

Google announced Gemini 3.5 Flash today and immediately it is now powering Google Search as the new default for AI Mode. Search Engine Land

Google’s new intelligent Search box – its biggest change to the search box in 25 years

This new search box aims to gives searchers easier access to AI search capabilities, with longer prompts and more AI options. Search Engine Land