book-code.studyplus.jpDomain analysis & security report

Title

15 characters

Pass

Meta description

160 characters

Pass

H1 heading

11 found — one is usual

Warning

Canonical URL

Points to itself

Pass

Indexable

No noindex found

Pass

robots.txt

Found

Pass

XML sitemap

Listed in robots.txt

Pass

Open Graph tags

Title, description, image

Pass

Structured data

None found

Missing

Language

lang="ja"

Pass

• GPTBot · OpenAIPartly blocked
• ClaudeBot · AnthropicPartly blocked
• Google-Extended · Google AIPartly blocked
• PerplexityBot · PerplexityPartly blocked
• CCBot · Common CrawlPartly blocked
• Applebot-Extended · Apple AIPartly blocked

From robots.txt. “Partly blocked”: kept out of some pages, not the homepage. Not every crawler follows it.

• Privacy policyPass
  https://info.studyplus.co.jp/privacy_policyExplains what data the site collects.
• Terms of serviceMissing
  —The rules for using the site. Not linked from the homepage.
• Contact pagePass
  https://info.studyplus.co.jp/contactA way to reach the people behind the site.
• security.txtMissing
  —Tells security researchers how to report problems.
• ads.txtNot found
  —Declares who may sell the site’s ad space. Only needed by sites that show ads.
• app-ads.txtNot found
  —The same, for the site’s mobile apps. Only needed by apps that show ads.

Running a full browser scan of the homepage… This takes about a minute.

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Reviews are from CubDomain users and are separate from the security verdicts above.

0 of 6 blocklists list this domain's IP or mail servers.

• blocklist.de · mail serverClean
• blocklist.de · web serverClean
• DroneBL · mail serverClean
• DroneBL · web serverClean

No changes seen since we started recording on 20 Oct 2026.