What powers gendaisha.co.jp?
Last seen Oct 2026 · 20 technologies across 12 categories
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Page builders
Programming languages
Security
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 65% desktop
- 35% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.76 / 10 · ranked #4,581,694 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.6 MB · 81 requests
- WordPress theme: lightning (child: lightning-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 学術図書出版 株式会社 現代社
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Xserver (183.181.88.10)
- DNS: Xserver
- Email: no MX record returned, SPF names Xserver
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 24,807,894, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| gendaisha.co.jp | 19 |
| www.gendaisha.co.jp | 17 |
Full technology history →
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Recent changes
- dropped Priority Hints Aug 2026