What powers 5ko.jp?
Last seen Aug 2026 · 16 technologies across 13 categories
CMS
Databases
MySQL
since Nov 2022
Font scripts
Google Font API
since Nov 2022
Twitter Emoji (Twemoji)
since Nov 2022
Hosting
Sakura Internet
since Nov 2022
JavaScript libraries
Miscellaneous
RSS
since Jul 2023
Page builders
WordPress Block Editor
since Oct 2024
Performance
Priority Hints
since Mar 2024
Programming languages
PHP
since Nov 2022
Security
reCAPTCHA
since Nov 2022
Web servers
Nginx
since Nov 2022
WordPress plugins
TablePress
since Nov 2022
WordPress themes
Lightning
since Mar 2024
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
Open Page Rank
1.62 / 10 · ranked #5,558,049 of all domains
5 referring domains · OpenPageRank
Infrastructure
- Hosted on Sakura Internet (49.212.207.185)
- DNS: Sakura Internet
- Email: 5ko.jp
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 31,857,898
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted