Head to head
aerzteblatt.de vs spektrum.de
spektrum.de is more readable to AI, 87 against 69 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 1 day ago · full report
Scanned 1 day ago · full report
Where the difference is by dimension
| Dimension | aerzteblatt.de | spektrum.de |
|---|---|---|
| Reach Whether AI crawlers and answer-engine fetchers are permitted to request the page at all. What h… |
37 / 40 | 40 / 40 |
| Readability Whether a fetcher that does not execute JavaScript receives the actual content, in markup an ex… |
22 / 25 | 25 / 25 |
| Structure Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact… |
6 / 20 | 16 / 20 |
| Attribution Signals that let an answer engine name the author, date the content, resolve the publisher, and… |
1 / 15 | 1 / 15 |
The measurements side by side
| Measurement | aerzteblatt.de | spektrum.de |
|---|---|---|
| Answer engines blocked | 4 | 0 |
| Training crawlers blocked | 9 | 1 |
| Refuses AI agents at the edge | no | no |
| Words of text without JavaScript | 2,455 | 2,425 |
| Structured data | no | yes |
| Sitemap | yes | no |
| llms.txt | no | no |
aerzteblatt.de blocks anthropic-ai, Applebot-Extended, CCBot, ChatGPT-User, ClaudeBot, cohere-ai, FacebookBot, Google-Extended, GPTBot, Meta-ExternalAgent, OAI-SearchBot, omgili, omgilibot, PerplexityBot.
spektrum.de blocks GPTBot.
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