Can AI assistants read dgist.ac.kr?
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.
F36 / 100
0 of 6 crawlers can read this page.
More readable than 3% of the 47,315 sites measured so far.
No JSON-LD.
What each crawler got back
| Crawler | HTTP | Result | robots.txt |
|---|
| ClaudeBot (Claude) | 403 |
challenged |
blocked-by-star |
| GPTBot (ChatGPT) | 403 |
challenged |
blocked-by-star |
| OAI-SearchBot (ChatGPT Search) | 403 |
challenged |
blocked-by-star |
| PerplexityBot (Perplexity) | 403 |
challenged |
blocked-by-star |
| Google-Extended (Gemini, AI Overviews) a robots.txt token, not a crawler: it controls how already-crawled pages may be used, and never makes a request of its own | — |
opted out in robots.txt |
blocked-by-star |
| Meta-ExternalAgent (Meta AI) | 403 |
challenged |
blocked-by-star |
| Amazonbot (Alexa, Rufus) | 403 |
challenged |
blocked-by-star |
What to change, in order
- 6 AI crawlers are shut out by the catch-all rule, not by a rule naming them
robots.txt has no group for ClaudeBot, GPTBot, OAI-SearchBot, PerplexityBot, Meta-ExternalAgent, Amazonbot; they fall under User-agent: * with Disallow: /. If the intent was to stop generic scrapers, the assistants are collateral: add one explicit group per crawler with Allow: /. The server refuses them as well, so both the robots.txt rule and the edge rule have to change.
- Declare the facts in JSON-LD
There is no JSON-LD on the page, so every fact — who you are, what you sell, the price — has to be guessed out of the prose and the layout. A schema.org block is the difference between being quoted correctly and being paraphrased.
- 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.
- Mark the content with <main>
The content-reachability check scores 30/100: with no <main> or <article> landmark, or with most of the page outside it, an assistant reads the navigation and the footer at the same cost as the text it came for.
The checks
- Answers AI agents like it answers people14%
- Readable without JavaScript100%
- robots.txt lets the crawlers in0%
- Facts in JSON-LD0%
- Content reachable, not buried30%
- Publishes a map of itself45%
- Plain structure95%
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