What powers at-seminar.net?
Last seen Jun 2026 · 22 technologies across 12 categories
Advertising
Google AdSense
since Aug 2018
i-mobile
since Nov 2025
Microsoft Advertising
since Jan 2024
Twitter Ads
since May 2021
Yahoo Advertising
since Apr 2022
Affiliate programs
A8.net
since Feb 2021
Analytics
Google Analytics
since Aug 2018
Microsoft Clarity
since Jan 2023
Authentication
Facebook Login
since Jun 2021
Google Sign-in
since Feb 2021
CDN
Cloudflare
since Sep 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Mar 2026
Security
Cloudflare Bot Management
since Sep 2024
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Aug 2018
Web servers
Apache HTTP Server
since Aug 2018
Widgets
Twitter
since Aug 2018
Audience
- 80% phone
- 19% desktop
- 1% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.60 / 10 · ranked #2,325,294 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 21.4 MB · 171 requests
- Structured data: JSON-LD, OpenGraph
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
- detected i-mobile Nov 2025