Semantic Coherence: Which? – Signal Evidence & AI Readability

Which?

(http://www.which.co.uk) 📸 Data Snapshot: May 21, 2026
Semantic Coherence — The Lens

Pull the main entities out of the H1, then check whether they actually recur through the body. A page that announces one thing and then talks about another drifts. Headings with no real sentences underneath read as pseudo-substance.

Semantic Coherence Homepage promise vs. Sub-page reality.
20 Impact Weight: 20 / 100
100% Reputation

There is zero semantic drift between the homepage signal and sub-page delivery. The homepage meta title promises expert testing and reviews, which is precisely what the news and comparison sub-pages provide. The transition from the high-level Consumer Champion slogan to the Principal Researcher Yvette Fletcher’s broadband advice demonstrates a consistent and logical funnel from brand promise to technical execution.

Semantic Coherence is read from the heading hierarchy first: what each page announces in its H1 and headings, then whether the body actually delivers on it. Below is the structure the engine mapped, followed by the clean text to check for drift between promise and reality.

🏗️ Semantic Structure — heading hierarchy & page identity (the promise the page makes)
HOMEPAGE Which? | Expert testing, reviews and advice – Which? (http://www.which.co.uk)
Title

Which? | Expert testing, reviews and advice – Which?

NAV_HEADING_REPEATED_BODY Which? Free newsletters for everyone – Which? (http://which.co.uk/about-which/which-newsletters-akBCD7z3vgqS/)
Title

Which? Free newsletters for everyone – Which?

NAV_HEADER_HEADING_REPEATED Price Comparison: compare providers and choose wisely – Which? (http://which.co.uk/compare-providers/)
Title

Price Comparison: compare providers and choose wisely – Which?

HEADING_REPEATED_BODY The tumble dryer 'ban': what does it mean for you? – Which? (http://which.co.uk/news/article/the-tumble-dryer-ban-what-does-it-mean-for-you-alPRI3r8KXPx/)
Title

The tumble dryer 'ban': what does it mean for you? – Which?

HEADING_REPEATED_BODY 5 things I'd never do as a broadband expert – Which? (http://which.co.uk/news/article/things-id-never-do-as-a-broadband-expert-aD97M6S0KkCd/)
Title

5 things I'd never do as a broadband expert – Which?

HEADING_REPEATED_BODY I used a robot lawn mower for a month: here's what surprised me – Which? (http://which.co.uk/news/article/i-used-a-robot-lawnmower-for-a-month-heres-what-surprised-me-an8u70B5D4f3/)
Title

I used a robot lawn mower for a month: here's what surprised me – Which?

📝 The Narrative — clean text per page (homepage promise vs. sub-page reality)
HOMEPAGE · THIN (http://www.which.co.uk) Which? | Expert testing, reviews and advice – Which?

                        
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SUB-PAGE · THIN (http://which.co.uk/about-which/which-newsletters-akBCD7z3vgqS/) Which? Free newsletters for everyone – Which?

                        
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SUB-PAGE · THIN (http://which.co.uk/compare-providers/) Price Comparison: compare providers and choose wisely – Which?

                        
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SUB-PAGE · THIN (http://which.co.uk/news/article/the-tumble-dryer-ban-what-does-it-mean-for-you-alPRI3r8KXPx/) The tumble dryer 'ban': what does it mean for you? – Which?

                        
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SUB-PAGE · THIN (http://which.co.uk/news/article/things-id-never-do-as-a-broadband-expert-aD97M6S0KkCd/) 5 things I'd never do as a broadband expert – Which?

                        
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SUB-PAGE · THIN (http://which.co.uk/news/article/i-used-a-robot-lawnmower-for-a-month-heres-what-surprised-me-an8u70B5D4f3/) I used a robot lawn mower for a month: here's what surprised me – Which?

                        
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