Head to head

hrc.org vs sierraclub.org

hrc.org is more readable to AI, 90 against 44 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.

hrc.org 90/10090hrc.org

Scanned 14 hours ago · full report

sierraclub.org 44/10044sierraclub.org

Scanned 14 hours ago · full report

Where the difference is by dimension

Dimensionhrc.orgsierraclub.org
Reach
Whether AI crawlers and answer-engine fetchers are permitted to request the page at all. What h…
39 / 4037 / 40
Readability
Whether a fetcher that does not execute JavaScript receives the actual content, in markup an ex…
21 / 250 / 25
Structure
Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact…
20 / 203 / 20
Attribution
Signals that let an answer engine name the author, date the content, resolve the publisher, and…
10 / 151 / 15

The measurements side by side

Measurementhrc.orgsierraclub.org
Answer engines blocked10
Training crawlers blocked20
Refuses AI agents at the edgenono
Words of text without JavaScript6560
Structured datayesno
Sitemapyesno
llms.txtnono

hrc.org blocks Google-Extended, GPTBot, PerplexityBot.

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

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