Notes
What we learned building the instrument
Writing about AI search, retrieval and what actually changes whether a page gets cited: semantic chunking, extraction, and the shape a passage needs to be quoted.
When the answers move
A daily 0–100 reading of how much AI assistants' answers changed since yesterday. What it compares, how to read the scale, and the four things it cannot tell you.
Read it
How AI search reads a page
Chunking, embeddings, extraction, the platform changes that move them, and the week's digest.
Weekly Search & AI Digest: Google Finally Shows You the Numbers
Learn how Google's new AI report shows your content's visibility in AI Overviews, AI Mode, and Discover, without tracking clicks or queries.
Weekly Search & AI Digest: Targets Stop Being Decorative
Google's 17 August bidding change, ChatGPT ads in 31 European markets, Cloudflare's pay-per-answer switch, and what the crawl-to-referral ratio can and cannot be used to claim.
What Agent Skills Are and Why They Matter for Marketing Teams
A plain-language guide to agent skills: reusable AI procedures, how to review them and why they matter for search and marketing work.
Your Target CPA Is Now a Target
Learn how Google Ads' recent update affects budget-limited campaigns, optimising toward your Target CPA more strictly and what it means for your conversions.
AI Search in the UK: GEO & SEO Strategy for 2026
UK AI search strategy for 2026: strengthen SEO, publish cite-worthy evidence, structure answers for retrieval and measure AI visibility.
Weekly Search & AI Digest: Google Spam Update, Citations, and Measurement
Google’s August spam update is complete. See the AI-search citation shift, measurement caveats, charts and an action plan for the week ahead.
What we built, and what it measures
The instruments, their thresholds, and what each number is allowed to claim.
Using the tools
Getting a reading, reading it, and what to do about what it says.
What a template sounds like
Why we count repeated shapes, stock phrases and unchecked claims instead of guessing who wrote a draft — and three defects a labelled set found in our thresholds.
What AI Assistants Say About Your Brand — and What to Do With It
How Brandscope reads buyer-facing AI answers about a brand, compares them with first-party evidence and states the limits of the result.
What an AI assistant reads when it reads your page
Six real pages run through the same chunking and embedding a retrieval system uses. The numbers: passages received, text never read, and what actually differed.
The tools
See it on work of your own
Read the passages an assistant would receive from a page, hear how a buyer would phrase the question, or find out what assistants say about a brand. Free, no account.
Questions
Ask something these notes do not answer
Every question asked is public, and answered in the open. The ones asked often become the next note.