Can AI assistants read manta.net?

Measured on 2026-09-19 by asking the site 7 times — once as a browser, once as each of the 6 crawlers that feed ChatGPT, Claude, Perplexity, Gemini, Meta AI, Apple Intelligence and Doubao — and comparing what came back. The AI-training opt-out tokens that never crawl are read from robots.txt instead.

What each crawler got back

Google answers for this domain. Where a crawler above is refused while robots.txt allows it, the rule is applied by that edge, not written by the site — see how often each edge does this.

What to change, in order

1. Put the text in the HTML, not only in JavaScript
   The HTML that arrives is nearly empty and the content is painted by JavaScript. None of these crawlers run it, so even the ones that are served read a blank page. Server-rendering or prerendering the main content is what changes their result.
2. Publish llms.txt
   llms.txt is missing, so an assistant has to discover the site by following links. llms.txt is the emerging convention for telling an assistant which pages actually matter.
3. Fix the plain structure: one <h1>, a title, a description, alt text
   The structure check scores 50/100. These are the cheapest signals on the page and the first ones an assistant uses to decide what the site is.

The checks

• Answers AI agents like it answers people100%
• Readable without JavaScript0%
• robots.txt lets the crawlers in100%
• Facts in JSON-LD100%
• Content reachable, not buried60%
• Publishes a map of itself45%
• Plain structure50%

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