Agent Web Index › sanwa.co.jp

Can AI assistants read sanwa.co.jp?

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.

B81 / 100
5 of 6 crawlers can read this page.
More readable than 66% of the 47,315 sites measured so far. Structured data: BreadcrumbList.

What each crawler got back

CrawlerHTTPResultrobots.txt
ClaudeBot (Claude)200 can read it allowed-by-star
GPTBot (ChatGPT)200 allowed by the server, blocked in robots.txt blocked
OAI-SearchBot (ChatGPT Search)200 can read it allowed-by-star
PerplexityBot (Perplexity)200 can read it allowed-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
— not opted out allowed-by-star
Meta-ExternalAgent (Meta AI)200 can read it allowed-by-star
Amazonbot (Alexa, Rufus)200 can read it allowed-by-star

What to change, in order

  1. Mark the content with <main>
    The content-reachability check scores 31/100: 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.
  2. Fix the plain structure: one <h1>, a title, a description, alt text
    The structure check scores 58/100. These are the cheapest signals on the page and the first ones an assistant uses to decide what the site is.
  3. 1 crawler is named and refused in robots.txt — a deliberate choice
    GPTBot is blocked by a rule that names it. Nothing to fix here: this page records what is true, not what should be. It is listed so the deliberate part of the block is not confused with the accidental part above.

The checks

Re-run this audit live → Full AI-visibility report for sanwa.co.jp →

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sanwa.co.jp AI readability: B 81/100 
<a href="https://shop.lumnika.com/ai-readiness/sanwa.co.jp"><img src="https://shop.lumnika.com/ai-readiness/sanwa.co.jp/badge.svg" alt="AI readability"></a>
Method. 7 live HTTP requests (one per crawler, one as a browser) plus robots.txt, llms.txt, sitemap.xml and security.txt, 12-second timeout each, from a single vantage point. Blocking AI crawlers is a legitimate choice, not a failure: this page records what is true, not what should be. Domain comes from a shop-platform seed (Shopify/WooCommerce/Magento/BigCommerce/Shopline fingerprint or JSON-LD price), not the Tranco traffic ranking. One page per domain — the homepage — is audited.

Part of the Agent Web Index, 47,315 domains measured, updated continuously.