Head to head
earthsky.org vs tuxfamily.org
earthsky.org is more readable to AI, 85 against 61 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.
Scanned 22 hours ago · full report
Scanned 22 hours ago · full report
Where the difference is by dimension
| Dimension | earthsky.org | tuxfamily.org |
|---|---|---|
| Reach Whether AI crawlers and answer-engine fetchers are permitted to request the page at all. What h… |
39 / 40 | 39 / 40 |
| Readability Whether a fetcher that does not execute JavaScript receives the actual content, in markup an ex… |
15 / 25 | 13 / 25 |
| Structure Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact… |
19 / 20 | 4 / 20 |
| Attribution Signals that let an answer engine name the author, date the content, resolve the publisher, and… |
9 / 15 | 1 / 15 |
The measurements side by side
| Measurement | earthsky.org | tuxfamily.org |
|---|---|---|
| Answer engines blocked | 1 | 0 |
| Training crawlers blocked | 3 | 0 |
| Refuses AI agents at the edge | no | no |
| Words of text without JavaScript | 916 | 224 |
| Structured data | yes | no |
| Sitemap | yes | no |
| llms.txt | yes | no |
earthsky.org blocks anthropic-ai, CCBot, ChatGPT-User, FacebookBot, GPTBot.
tuxfamily.org blocks no tracked AI crawler in robots.txt.
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