What powers bosai-kokutai.jp?
Last seen Jun 2026 · 17 technologies across 13 categories
Analytics
Google Analytics
since Feb 2020
Authentication
Facebook Login
since Sep 2021
CDN
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jun 2022
CMS
Databases
MySQL
since Nov 2021
Font scripts
Twitter Emoji (Twemoji)
since Nov 2021
Hosting
Xserver
since Jul 2023
JavaScript libraries
Miscellaneous
Open Graph
since Jul 2023
RSS
since Mar 2026
Programming languages
PHP
since Nov 2021
Video players
YouTube
since May 2022
Web servers
Nginx
since Jul 2023
WordPress plugins
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 57% desktop
- 43% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.59 / 10 · ranked #70,148 of all domains
214 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 4.3 MB · 103 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Twitter Apr 2026
- dropped Twitter Ads Apr 2026
- detected YouTube Apr 2026
- detected RSS Mar 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected jsDelivr Aug 2025
- dropped YouTube Aug 2025