What powers osdt.jp?
Last seen Sep 2026 · 20 technologies across 12 categories
Analytics
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Web servers
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% desktop
- 43% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.09 / 10 · ranked #3,367,644 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 2800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.2 MB · 67 requests
- WordPress theme: nano_tcd065 · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Xserver (183.181.88.42)
- DNS: Xserver
- Email: osdt.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 7,906,117
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Priority Hints Sep 2026
- detected Contact Form 7 Jul 2026
- detected core-js Jul 2026
- detected Font Awesome Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Jetpack Jul 2026
- detected jQuery Jul 2026
- detected jQuery Migrate Jul 2026
- detected MySQL Jul 2026
- detected Nginx Jul 2026
- detected PDF.js Jul 2026
- detected PHP Jul 2026
- detected reCAPTCHA Jul 2026
- detected RSS Jul 2026
- detected Shortcodes Ultimate Jul 2026
- detected Twitter Emoji (Twemoji) Jul 2026
- detected WooCommerce Jul 2026
- detected WordPress Jul 2026
- detected Xserver Jul 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Jetpack Nov 2025
- detected PDF.js Nov 2025
- detected Shortcodes Ultimate Nov 2025