Head to head
tds.net vs fastly.net
fastly.net is more readable to AI, 76 against 53 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 hour ago · full report
Scanned 11 hours ago · full report
Where the difference is by dimension
| Dimension | tds.net | fastly.net |
|---|---|---|
| Reach Whether AI crawlers and answer-engine fetchers are permitted to request the page at all. What h… |
36 / 40 | 40 / 40 |
| Readability Whether a fetcher that does not execute JavaScript receives the actual content, in markup an ex… |
6 / 25 | 22 / 25 |
| Structure Machine-readable markup that states the page's type, entities, canonical URL, and discrete fact… |
6 / 20 | 9 / 20 |
| Attribution Signals that let an answer engine name the author, date the content, resolve the publisher, and… |
1 / 15 | 5 / 15 |
The measurements side by side
| Measurement | tds.net | fastly.net |
|---|---|---|
| Answer engines blocked | 4 | 0 |
| Training crawlers blocked | 11 | 0 |
| Refuses AI agents at the edge | no | no |
| Words of text without JavaScript | 5 | 1,163 |
| Structured data | no | no |
| Sitemap | no | yes |
| llms.txt | no | yes |
tds.net blocks anthropic-ai, Bytespider, CCBot, ChatGPT-User, ClaudeBot, cohere-ai, Diffbot, FacebookBot, Google-Extended, GPTBot, ImagesiftBot, omgili, omgilibot, PerplexityBot, Scrapy, YouBot.
fastly.net blocks no tracked AI crawler in robots.txt.
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