Head to head

cas.org vs justsecurity.org

justsecurity.org is more readable to AI, 97 against 92 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.

cas.org 92/10092cas.org

Scanned 12 hours ago · full report

justsecurity.org 97/10097justsecurity.org

Scanned 12 hours ago · full report

Where the difference is by dimension

Dimensioncas.orgjustsecurity.org
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…
21 / 2523 / 25
Structure
Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact…
20 / 2020 / 20
Attribution
Signals that let an answer engine name the author, date the content, resolve the publisher, and…
6 / 1514 / 15

The measurements side by side

Measurementcas.orgjustsecurity.org
Answer engines blocked00
Training crawlers blocked00
Refuses AI agents at the edgenono
Words of text without JavaScript6642,637
Structured datayesyes
Sitemapyesyes
llms.txtyesyes

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

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

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