Head to head

earthsky.org vs ae.org

earthsky.org is more readable to AI, 85 against 76 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.

earthsky.org 85/10085earthsky.org

Scanned 13 hours ago · full report

ae.org 76/10076ae.org

Scanned 13 hours ago · full report

Where the difference is by dimension

Dimensionearthsky.orgae.org
Reach
Whether AI crawlers and answer-engine fetchers are permitted to request the page at all. What h…
39 / 4039 / 40
Readability
Whether a fetcher that does not execute JavaScript receives the actual content, in markup an ex…
15 / 2522 / 25
Structure
Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact…
19 / 209 / 20
Attribution
Signals that let an answer engine name the author, date the content, resolve the publisher, and…
9 / 151 / 15

The measurements side by side

Measurementearthsky.orgae.org
Answer engines blocked10
Training crawlers blocked30
Refuses AI agents at the edgenono
Words of text without JavaScript916576
Structured datayesno
Sitemapyesyes
llms.txtyesno

earthsky.org blocks anthropic-ai, CCBot, ChatGPT-User, FacebookBot, GPTBot.

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

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