What powers 8seminar.com?
Last seen Jun 2026 · 16 technologies across 10 categories
CMS
Databases
MySQL
since Aug 2018
Font scripts
Google Font API
since May 2019
Hosting
Xserver
since Sep 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
Priority Hints
since Mar 2024
Programming languages
PHP
since Aug 2018
Web servers
Nginx
since Jun 2020
WordPress plugins
WordPress themes
Lightning
since Feb 2022
Audience
- 86% desktop
- 15% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.94 / 10 · ranked #3,739,192 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 2600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.8 MB · 67 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.