What powers kato-seminar.jp?
Last seen Jun 2026 · 26 technologies across 16 categories
Advertising
Twitter Ads
since Apr 2025
Analytics
CDN
CMS
Databases
MySQL
since Jul 2021
Ecommerce
Cart Functionality
since Jul 2021
Font scripts
Google Font API
since Mar 2023
Hosting
Sakura Internet
since Jan 2023
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Mar 2026
Programming languages
Security
Cloudflare Bot Management
since Apr 2025
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Oct 2022
Tag managers
Google Tag Manager
since Jul 2021
Web servers
Nginx
since Jan 2023
WordPress plugins
Audience
- 56% desktop
- 39% phone
- 5% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.78 / 10 · ranked #2,018,495 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 53.6 MB · 284 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Bot Management Nov 2025
- detected core-js Nov 2025
- detected Facebook Pixel Nov 2025