Insights on GEO and AI search.
Working notes on how AI engines choose what to cite, and how to measure it. Facts link to their sources.
- 01
How to write a passage an AI answer can quote
AEO in practice: how to write one passage that fully answers one question, with real sentences Perplexity used about UK businesses.
- 02
Which sites Perplexity cites for UK local businesses
In 103 basic-mode Perplexity answers about UK local services, every one cited a directory or review site. What 158 answers show for services and shops.
- 03
Where Perplexity looks for local firms
We read 496 Perplexity answers about local UK businesses. Here is what sources it actually cited, by profession, and what to check on your own listings.
- 04
Same question, different firms: why one Perplexity check isn't a measurement
We asked Perplexity the same local-business question twice, hours apart. On average the two lists shared only 48% of firms. What that means for measuring.
- 05
How to Get Your Business Into Perplexity and Google AI Overviews Answers: A 7-Step Checklist
7 steps to get named in Perplexity and Google AI Overviews: baseline, crawler access, cited sources, listings, answer-first pages, citable content, re-measure.
- 06
Search Console's generative AI report: what it shows
What Google's generative AI performance report in Search Console counts, why you might not see data, and how it differs from checking Perplexity.
- 07
llms.txt: does a small business need it
llms.txt is a proposal, not a web standard. What it specifies, how it differs from robots.txt, and what to prioritize instead.
- 08
Can Google see your JavaScript site the way visitors do
Google's own pages on crawling, rendering, the indexing process, and dynamic rendering, plus a one-minute test to check what's in your raw HTML.
- 09
Helpful content: what Google says it rewards
Google's own page on people-first content: the self-assessment questions, the Who How Why framing, what E-E-A-T is and is not, and scaled content abuse.
- 10
Fake and incentivised reviews: the FTC rule and Google's policy
The FTC's 2024 rule bans fake reviews and sentiment-conditioned incentives; Google bans incentives for any review.
- 11
One page per city: when Google treats it as doorway abuse
Google names pages that funnel city traffic to one page as doorway abuse. What makes a location page defensible instead.
- 12
Google Business Profile: the 3 factors behind local results
The three factors Google names for local results, what an owner can change today, and Google's own rules on profiles and reviews.
- 13
Structured data a small business actually needs
Google supports many structured data types. For most small businesses two matter: LocalBusiness and Organization. What each shows, and Google's rules.
- 14
robots.txt and AI crawlers: what to allow and what to block
What robots.txt does under RFC 9309, which Perplexity and Google crawlers to allow, and why Google-Extended is a separate control from Google Search.
- 15
Core Web Vitals: the three numbers Google checks
LCP, INP, and CLS thresholds as Google publishes them, what the 75th percentile means, where to see your own scores, and how much this weighs in ranking.
- 16
SEO vs GEO: what changes for a small business
What stays the same and what changes when buyers ask Perplexity and Google AI Overviews instead of scanning links, and what a small business should do first.
- 17
How to check if Perplexity and Google AI Overviews mention your business in 10 minutes
A 10-minute manual check of whether Perplexity and Google AI Overviews name your business, plus the technical checks that can block you.
- 18
Why AI answers cite directories and review sites
In 76 Perplexity answers on UK SEO agencies, the five most-cited domains were all directories or rating sites. What that means and what to do.
- 19
What is GEO (and how it differs from SEO)
What Generative Engine Optimization is, where the term comes from, how AI engines get their information, and what GEO shares with SEO and what it does not.
- 20
How to get your brand cited by ChatGPT and Perplexity
A six-step guide: crawler access, buyer questions, who gets cited today, answer-first pages, third-party sources, and re-measurement.
- 21
How we measure AI search visibility
What we count in AI answers, the formulas, how we build prompt sets, why we run each prompt 3 times, and what we do when a model is updated.
- 22
Which agencies Perplexity names as best, and where it gets them
96 Perplexity answers, sources counted: directories like Clutch dominate UK local SEO answers; GEO agency answers lean on self-published lists, blogs, the agency's own books, and studies.
- 23
Best GEO agencies in the UK (2026)
Our ranking of GEO agencies in the UK, with the method and weights: Perplexity visibility in our measurement, published research, public pricing, GEO focus, free tools.
- 24
Best GEO agencies in the US (2026)
Our ranking of GEO agencies in the US, with the method and weights: Perplexity visibility in our measurement, published research, public pricing, GEO focus, free tools.
- 25
We asked Perplexity 10 everyday buying questions, telling it we're in the UK. 12 of 50 brands didn't come up once in six runs.
We asked Perplexity 10 UK buying questions, 3 times each, across 50 brands in 5 categories: 12 brands weren't named once in six runs; 8 were named every time.
- 26
Who ChatGPT recommends to home sellers in Didsbury, Manchester
We asked ChatGPT which estate agent to use to sell a house in Didsbury on 12 October 2026. The agents it named, in order, copied from the answer, with the method.
- 27
Who ChatGPT recommends to home sellers in Leeds
We asked ChatGPT which estate agent to use to sell a house in Leeds and in Leeds city centre on 12 October 2026. The agents it named, in order, copied from the answers, with the method.
- 28
Who ChatGPT recommends to home sellers in Birmingham
We asked ChatGPT which estate agent to use to sell a house in Birmingham and in Kings Heath on 12 October 2026. The agents it named, in order, copied from the answers, with the method.
GEO for your trade
- 01
GEO for accountants: what Perplexity cites in the UK
- 02
GEO for architects: what Perplexity cites in the UK
- 03
GEO for conveyancing solicitors: what Perplexity cites in the UK
- 04
GEO for physiotherapists: what Perplexity cites in the UK
- 05
GEO for private dentistry: what Perplexity cites in the UK
- 06
GEO for solicitors: what Perplexity cites in the UK
- 07
GEO for vets: what Perplexity cites in the UK