What powers tck.or.jp?
Last seen Jun 2026 · 16 technologies across 12 categories
Analytics
CMS
Databases
MySQL
since Jun 2020
Font scripts
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Page builders
WordPress Block Editor
since May 2026
Programming languages
PHP
since Jun 2020
Security
reCAPTCHA
since Nov 2021
UI frameworks
Web servers
Apache HTTP Server
since Jun 2020
WordPress plugins
TablePress
since Feb 2022
Audience
- 72% phone
- 28% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.47 / 10 · ranked #928,720 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.0 MB · 49 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected WordPress Block Editor May 2026