What powers ivfree.jp?
Last seen Jun 2026 · 17 technologies across 11 categories
CDN
cdnjs
since May 2023
Cloudflare
since May 2023
CMS
Databases
MySQL
since May 2023
Font scripts
JavaScript frameworks
JavaScript libraries
LazySizes
since May 2023
LazySizes unveilhooks plugin
since May 2023
Miscellaneous
Open Graph
since May 2023
RSS
since May 2023
Programming languages
PHP
since May 2023
Video players
YouTube
since May 2023
Web servers
Nginx
since May 2024
Widgets
Pocket
since May 2023
Audience
- 56% phone
- 44% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.69 / 10 · ranked #19,643,789 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.1 MB · 31 requests
- WordPress theme: diver (child: diver_child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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