What powers 28ko.jp?
Last seen Jun 2026 · 21 technologies across 15 categories
Advertising
Google AdSense
since Jul 2022
Analytics
Google Analytics
since Feb 2020
Microsoft Clarity
since May 2021
Caching
WP Rocket
since Aug 2022
CDN
CMS
WordPress
since Feb 2020
Databases
MySQL
since Feb 2020
Font scripts
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
LazySizes
since Feb 2022
Programming languages
PHP
since Feb 2020
Security
reCAPTCHA
since Jul 2022
Web servers
Nginx
since Nov 2020
WordPress plugins
EWWW Image Optimizer
since Feb 2022
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.61 / 10 · ranked #2,306,665 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.9 MB · 46 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.