Search Signal
Weekly AI & SEO Intelligence for SaaS
Google ranks pages. ChatGPT, Perplexity, and AI Overviews cite sources — by different rules, from a different pool. Most SaaS teams only measure the first, which is why their traffic reports keep getting quieter. Each issue says what moved, what it means, and one thing to do about it.
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Search Signal
Weekly AI & SEO Intelligence
Latest — Issue #08
Every issue includes
Past Issues
8 issues published so far
Search Signal #08
13.1% of the SERPs rank trackers collect come back deliberately corrupted. Plus: ChatGPT's eight-day tracking outage, and Meta's 30 October crawl grant.
READ ISSUESearch Signal #07
40 posts on a self-hosted site, zero AI citations in a week. Plus: the spam update ends after 13 days, GPT-6 ships, Gannett sues OpenAI.
READ ISSUESearch Signal #06
AI Overviews now appear on 82.91% of branded searches, up from 61% in July. Plus: the spam update's second wave, and new rules on AI content.
READ ISSUESearch Signal #05
Microsoft's own data shows Copilot cutting publisher clicks by up to 94%. Plus: a spam update that runs for two weeks, and Claude at 11% of US prompts.
READ ISSUESearch Signal #04
AI Overviews cut CTR 23.1% for the most exposed French sites. Plus: Google pays publishers, Cloudflare splits training from search, rank data breaks.
READ ISSUESearch Signal #03
Cloudflare's crawler defaults flip tomorrow, and blocking Training also blocks Googlebot. Plus: People Also Ask hits 97% AI, and ChatGPT built its own index.
READ ISSUESearch Signal #02
Your pricing page surfaces in 46% of AI answers but leads just 12% of the time. Plus: Search Console's AI report goes global, and the DOJ backs OpenAI.
READ ISSUESearch Signal #01
Brand-owned pages take 2.8% of AI citations while review sites take 59%. Plus the August spam update, expanding AI Overviews, and what changed for B2B SaaS.
READ ISSUE