What powers bc-seminar.jp?
Last seen Jun 2026 · 20 technologies across 13 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Authentication
Facebook Login
since Jul 2021
CDN
Amazon CloudFront
since Aug 2022
Cloudflare
since Mar 2025
CMS
Databases
MySQL
since Aug 2018
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
PaaS
Amazon Web Services
since Aug 2022
Programming languages
PHP
since Aug 2018
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Nginx
since Aug 2018
Widgets
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.63 / 10 · ranked #800,605 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.0 MB · 42 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| blog.bc-seminar.jp | 17 |
| www.bc-seminar.jp | 6 |
Full technology history →
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Recent changes
- dropped Cloudflare Dec 2025
- dropped Cloudflare Bot Management Dec 2025