What powers 
sss-erc.org?
Last seen Jul 2026 · 19 technologies across 16 categories
Analytics
Google Analytics
since May 2026
Caching
WordPress Super Cache
since May 2026
CMS
Databases
MySQL
since May 2026
Hosting
Sakura Internet
since May 2026
JavaScript libraries
Swiper
since May 2026
Miscellaneous
RSS
since May 2026
Page builders
WordPress Block Editor
since May 2026
Programming languages
PHP
since May 2026
Security
reCAPTCHA
since May 2026
Tag managers
Google Tag Manager
since May 2026
UI frameworks
Web servers
Nginx
since May 2026
Webmail
Microsoft 365
since May 2026
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.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.55 / 10 · ranked #393,684 of all domains
70 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (219.94.162.203, IPv6)
- DNS: Sakura Internet
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 8,209,236
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted