What powers osper.co.jp?
Last seen Aug 2026 · 16 technologies across 13 categories
Caching
Litespeed Cache
since Mar 2024
CMS
Databases
MySQL
since Mar 2024
Font scripts
Google Font API
since Mar 2024
Twitter Emoji (Twemoji)
since Aug 2026
JavaScript libraries
Swiper
since Mar 2024
Miscellaneous
Open Graph
since Mar 2024
RSS
since Mar 2024
Page builders
WordPress Block Editor
since Sep 2025
Performance
Priority Hints
since Sep 2025
Programming languages
Video players
YouTube
since Sep 2025
Web servers
LiteSpeed
since Mar 2024
WordPress plugins
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
1.85 / 10 · ranked #4,100,978 of all domains
7 referring domains · OpenPageRank
Infrastructure
- Hosted on GMO Internet (157.7.107.129)
- DNS: Lolipop
- Email: no MX record returned, SPF names Lolipop
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 16,176,297, 2 hosts
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted