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SEOS.co / The Search Brief
What changed, what the evidence shows, and what it means for your website. Explore platform news, research findings and practical analysis across search and the agentic web.
AI-assisted editorial analysis with primary-source links, clear limitations and worked examples. Publication dates reflect our analysis; each article identifies the date of the development covered.
A study found most observed llms.txt files received no requests. Assess the evidence, maintenance cost and when a focused experiment may still be useful.
Sep 27, 2026 · 10 min read
Ahrefs explains AI Adjusted Volume. Learn how the estimate differs from a prompt count and how to use scenarios when planning AI search content investments.
Sep 27, 2026 · 10 min read
Reddit is prominent in discussion-feature results. Understand the study’s denominator and use community research to improve content without deceptive promotion.
Sep 27, 2026 · 10 min read
The France AI Overviews study reports lower CTR in a highly exposed group. Examine the denominator, study limits and implications for your own measurement.
Sep 27, 2026 · 10 min read
An Ahrefs AI content study raises questions about quality and indexation. Explore detector limits, source verification and a maintainable publishing process.
Sep 27, 2026 · 10 min read