What powers oct.ac.jp?
Last seen Jun 2026 · 21 technologies across 16 categories
Analytics
Google Analytics
since Jan 2019
CDN
Cloudflare
since May 2022
jsDelivr
since Aug 2025
CMS
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Nov 2021
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Jan 2019
Miscellaneous
Open Graph
since Sep 2022
RSS
since Aug 2025
PaaS
Amazon Web Services
since Aug 2022
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since May 2022
SEO
Video players
Vimeo
since Jun 2021
Web servers
Nginx
since Jan 2019
Webmail
Google Workspace
since Aug 2022
Audience
- 61% phone
- 39% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.25 / 10 · ranked #1,198,121 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 47.5 MB · 160 requests
- WordPress theme: oct2025 · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Google Analytics Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped cdnjs Sep 2025
- dropped Facebook Login Sep 2025
- dropped FancyBox Sep 2025
- dropped Google Analytics Sep 2025
- dropped jQuery CDN Sep 2025
- dropped lit-element Sep 2025
- dropped lit-html Sep 2025
- dropped Modernizr Sep 2025
- dropped Moment.js Sep 2025
- dropped Twitter Sep 2025
- dropped Twitter Ads Sep 2025
- dropped YouTube Sep 2025
- detected Google Font API Aug 2025
- detected GSAP Aug 2025
- detected jsDelivr Aug 2025
- detected RSS Aug 2025
- detected Vimeo Aug 2025