What powers 
quantum-op.co.jp?
Last seen Jul 2026 · 25 technologies across 17 categories
Analytics
Google Analytics
since Mar 2021
CDN
Google Hosted Libraries
since Feb 2022
CMS
Databases
MySQL
since Mar 2021
Font scripts
Google Font API
since Mar 2021
Twitter Emoji (Twemoji)
since Jul 2021
Hosting
Xserver
since Apr 2025
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
Page builders
Programming languages
PHP
since Mar 2021
UI frameworks
Animate.css
since Mar 2021
Bootstrap
since Mar 2021
Video players
YouTube
since Mar 2021
Web servers
Nginx
since Feb 2023
Webmail
Google Workspace
since Aug 2022
WordPress plugins
WordPress themes
FameThemes OnePress
since Feb 2022
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
3.52 / 10 · ranked #876,460 of all domains
37 referring domains · OpenPageRank
Infrastructure
- Hosted on Xserver (85.131.207.150)
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,377,005
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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Recent changes
- dropped Priority Hints May 2026