Head to head

yahoo.co.jp vs dmm.co.jp

yahoo.co.jp is more readable to AI, 62 against 51 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.

yahoo.co.jp 62/10062yahoo.co.jp

Scanned 1 hour ago · full report

dmm.co.jp 51/10051dmm.co.jp

Scanned 1 hour ago · full report

Where the difference is by dimension

Dimensionyahoo.co.jpdmm.co.jp
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 / 258 / 25
Structure
Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact…
7 / 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

Measurementyahoo.co.jpdmm.co.jp
Answer engines blocked00
Training crawlers blocked20
Refuses AI agents at the edgenono
Words of text without JavaScript27985
Structured datanono
Sitemapnono
llms.txtnono

yahoo.co.jp blocks Google-Extended, GPTBot.

dmm.co.jp blocks no tracked AI crawler in robots.txt.

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