Head to head

zen.co.uk vs english-heritage.org.uk

zen.co.uk is more readable to AI, 87 against 77 out of 100. Both were measured with the same audit: robots.txt policy for 48 AI agents, live requests under four crawler user agents, and a JavaScript-free read of the homepage.

zen.co.uk 87/10087zen.co.uk

Scanned 22 hours ago · full report

english-heritage.org.uk 77/10077english-heritage.org.uk

Scanned 22 hours ago · full report

Where the difference is by dimension

Dimensionzen.co.ukenglish-heritage.org.uk
Reach
Whether AI crawlers and answer-engine fetchers are permitted to request the page at all. What h…
40 / 4040 / 40
Readability
Whether a fetcher that does not execute JavaScript receives the actual content, in markup an ex…
20 / 2523 / 25
Structure
Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact…
20 / 209 / 20
Attribution
Signals that let an answer engine name the author, date the content, resolve the publisher, and…
7 / 151 / 15

The measurements side by side

Measurementzen.co.ukenglish-heritage.org.uk
Answer engines blocked00
Training crawlers blocked00
Refuses AI agents at the edgenono
Words of text without JavaScript1,6911,440
Structured datayesno
Sitemapyesyes
llms.txtnono

zen.co.uk blocks no tracked AI crawler in robots.txt.

english-heritage.org.uk blocks no tracked AI crawler in robots.txt.

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