Head to head

jm-data.at vs vol.at

jm-data.at and vol.at score identically at 84 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.

jm-data.at 84/10084jm-data.at

Scanned 9 hours ago · full report

vol.at 84/10084vol.at

Scanned 9 hours ago · full report

Where the difference is by dimension

Dimensionjm-data.atvol.at
Reach
Whether AI crawlers and answer-engine fetchers are permitted to request the page at all. What h…
39 / 4038 / 40
Readability
Whether a fetcher that does not execute JavaScript receives the actual content, in markup an ex…
19 / 2518 / 25
Structure
Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact…
18 / 2018 / 20
Attribution
Signals that let an answer engine name the author, date the content, resolve the publisher, and…
6 / 154 / 15

The measurements side by side

Measurementjm-data.atvol.at
Answer engines blocked01
Training crawlers blocked07
Refuses AI agents at the edgenono
Words of text without JavaScript506560
Structured datayesyes
Sitemapnoyes
llms.txtnono

jm-data.at blocks no tracked AI crawler in robots.txt.

vol.at blocks Amazonbot, Applebot-Extended, Bytespider, CCBot, ClaudeBot, GPTBot, Meta-ExternalAgent, PerplexityBot, SemrushBot-OCOB.

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