What powers oas.ac.jp?
Last seen Jun 2026 · 20 technologies across 12 categories
Advertising
FreakOut
since Feb 2022
Google Ads
since Dec 2022
Twitter Ads
since Jun 2021
Yahoo Advertising
since Jul 2023
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Apr 2019
CDN
Cloudflare
since Sep 2024
jsDelivr
since Jul 2020
JavaScript graphics
particles.js
since Sep 2019
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2024
Performance
Priority Hints
since Mar 2026
Security
Cloudflare Bot Management
since Sep 2024
Tag managers
Google Tag Manager
since Apr 2019
Video players
YouTube
since Apr 2019
Web servers
Apache HTTP Server
since Apr 2019
Audience
- 69% phone
- 31% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.19 / 10 · ranked #461,574 of all domains
65 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Vercel
- Weight: 7.7 MB · 344 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped Font Awesome Nov 2025
- dropped Google Font API Nov 2025