Head to head

subsplease.org vs openstax.org

subsplease.org is more readable to AI, 59 against 51 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.

subsplease.org 59/10059subsplease.org

Scanned 3 hours ago · full report

openstax.org 51/10051openstax.org

Scanned 3 hours ago · full report

Where the difference is by dimension

Dimensionsubsplease.orgopenstax.org
Reach
Whether AI crawlers and answer-engine fetchers are permitted to request the page at all, in rob…
40 / 4040 / 40
Readability
Whether a fetcher that does not execute JavaScript receives the actual content, in markup an ex…
9 / 255 / 25
Structure
Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact…
9 / 205 / 20
Attribution
Signals that let an answer engine name the author, date the content, resolve the publisher, and…
1 / 151 / 15

The measurements side by side

Measurementsubsplease.orgopenstax.org
Answer engines blocked00
Training crawlers blocked00
Refuses AI agents at the edgenono
Words of text without JavaScript501
Structured datanono
Sitemapyesyes
llms.txtnono

subsplease.org blocks no tracked AI crawler in robots.txt.

openstax.org blocks no tracked AI crawler in robots.txt.

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