What powers quiz.or.jp?
Last seen Aug 2026 · 10 technologies across 10 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Aug 2019
Authentication
Facebook Login
since Jul 2021
CDN
Cloudflare
since Mar 2025
Font scripts
Google Font API
since Aug 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Apache HTTP Server
since Aug 2019
Widgets
Twitter
since Aug 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 74% phone
- 26% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.38 / 10 · ranked #1,028,716 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.8 MB · 35 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PSPINC-BDC (216.230.253.64)
- DNS: alpha-mail.jp
- Email: alpha-mail.net
- Email security: SPF (soft fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 10,052,561, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025