What powers refa.jp?
Last seen May 2026 · 20 technologies across 13 categories
Analytics
Burst
since Nov 2024
Google Analytics
since Sep 2021
CDN
CMS
WordPress
since Sep 2021
Databases
MySQL
since Sep 2021
Font scripts
Hosting
Xserver
since Aug 2022
JavaScript libraries
Maps
Google Maps
since Feb 2025
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Sep 2021
Security
Really Simple SSL & Security
since Apr 2024
Tag managers
Google Tag Manager
since Sep 2021
Web servers
Nginx
since Sep 2021
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
Open Page Rank
1.68 / 10 · ranked #5,101,040 of all domains
4 referring domains · OpenPageRank
Infrastructure
- Hosted on Xserver (202.254.234.131)
- DNS: Xserver
- Email: no MX record returned, SPF names Xserver
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 32,543,704, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted