What powers upsetters.jp?
Last seen Sep 2026 · 14 technologies across 12 categories
Analytics
Caching
WordPress Super Cache
since Jan 2023
CDN
Google Hosted Libraries
since Jan 2023
CMS
WordPress
since Jan 2023
Databases
MySQL
since Jan 2023
Font scripts
Google Font API
since Jan 2023
Hosting
Sakura Internet
since Jan 2023
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2023
Mobile frameworks
jQuery-pjax
since Jan 2023
Programming languages
Web servers
Nginx
since Jan 2023
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
2.44 / 10 · ranked #2,610,852 of all domains
12 referring domains · OpenPageRank
Infrastructure
- Hosted on Sakura Internet (202.181.99.55)
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 10,252,374, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted