Head to head

php-fig.org vs iza.org

iza.org is more readable to AI, 67 against 65 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.

php-fig.org 65/10065php-fig.org

Scanned 11 hours ago · full report

iza.org 67/10067iza.org

Scanned 11 hours ago · full report

Where the difference is by dimension

Dimensionphp-fig.orgiza.org
Reach
Whether AI crawlers and answer-engine fetchers are permitted to request the page at all. What h…
39 / 4040 / 40
Readability
Whether a fetcher that does not execute JavaScript receives the actual content, in markup an ex…
18 / 2519 / 25
Structure
Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact…
4 / 203 / 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

Measurementphp-fig.orgiza.org
Answer engines blocked00
Training crawlers blocked00
Refuses AI agents at the edgenono
Words of text without JavaScript2841,212
Structured datanono
Sitemapnono
llms.txtnono

php-fig.org blocks no tracked AI crawler in robots.txt.

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

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