What powers karf.co.jp?
Last seen Jun 2026 · 20 technologies across 14 categories
Analytics
Google Analytics
since Jan 2019
CDN
jQuery CDN
since Feb 2022
jsDelivr
since Dec 2021
CMS
Databases
MySQL
since Jun 2019
Font scripts
Google Font API
since Jan 2019
Typekit
since Feb 2021
Hosting
Sakura Internet
since Oct 2022
JavaScript libraries
Miscellaneous
Popper
since Apr 2022
Programming languages
PHP
since Jun 2019
Security
reCAPTCHA
since May 2021
Tag managers
Google Tag Manager
since Sep 2019
UI frameworks
Web servers
Nginx
since Jan 2019
WordPress plugins
WP-PageNavi
since Feb 2022
Audience
- 60% desktop
- 40% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.72 / 10 · ranked #754,694 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 7.4 MB · 61 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| karf.co.jp | 20 |
| www.karf.co.jp | 20 |