What powers 
pfikyokai.or.jp?
Last seen Oct 2026 · 10 technologies across 9 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jan 2019
CDN
Google Hosted Libraries
since Feb 2022
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Highlight.js
since Jan 2019
Miscellaneous
RSS
since Dec 2022
Programming languages
Web servers
Nginx
since Jan 2019
Widgets
Twitter
since Jan 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 robots.txt appeared
- Nov 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 95% desktop
- 5% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.94 / 10 · ranked #618,000 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 5.6 MB · 103 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (219.94.129.161)
- DNS: Sakura Internet
- Email: pfikyokai.or.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,851,974, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| pfikyokai.or.jp | 10 |
| www.pfikyokai.or.jp | 7 |