What powers 138.co.jp?
Last seen Apr 2026 · 17 technologies across 14 categories
Advertising
Twitter Ads
since Nov 2021
Analytics
Google Analytics
since Mar 2021
Authentication
Facebook Login
since Nov 2021
CDN
Google Hosted Libraries
since Aug 2022
CMS
Databases
MySQL
since Mar 2021
Font scripts
JavaScript libraries
Programming languages
Rich text editors
Video players
YouTube
since Jul 2023
Web servers
Apache HTTP Server
since Mar 2021
Widgets
Twitter
since Mar 2021
WordPress plugins
WP-PageNavi
since Aug 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.04 / 10 · ranked #3,479,276 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0.1 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.0 MB · 114 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
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Recent changes
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025