What powers sakujinkan.jp?
Last seen Jul 2026 · 29 technologies across 17 categories
Analytics
Google Analytics
since Feb 2020
CDN
CMS
Databases
MySQL
since Feb 2020
Font scripts
Twitter Emoji (Twemoji)
since Dec 2025
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
JavaScript libraries
Slick
since Aug 2023
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Jul 2026
Programming languages
PHP
since Feb 2020
Security
reCAPTCHA
since Aug 2022
UI frameworks
Video players
YouTube
since Dec 2025
Web servers
Nginx
since Feb 2020
Widgets
SnapWidget
since Dec 2025
WordPress plugins
Smart Slider 3
since Aug 2023
Smash Balloon Instagram Feed
since Dec 2025
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
Open Page Rank
1.31 / 10 · ranked #8,523,450 of all domains
2 referring domains · OpenPageRank
Infrastructure
- Hosted on Sakura Internet (49.212.235.51)
- DNS: Sakura Internet
- Email: sakujinkan.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 14,084,902, 7 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Jetpack Dec 2025