What powers seifuen.com?
Last seen Jun 2026 · 21 technologies across 13 categories
Analytics
Google Analytics
since Feb 2019
Caching
WP Rocket
since Sep 2025
CMS
Databases
MySQL
since Sep 2025
Hosting
Xserver
since Aug 2022
JavaScript libraries
Swiper
since Sep 2022
Miscellaneous
Open Graph
since Sep 2025
RSS
since Sep 2025
Performance
Priority Hints
since Sep 2025
Programming languages
PHP
since Sep 2022
Video players
YouTube
since Feb 2019
Web servers
Nginx
since May 2021
WordPress plugins
Polylang
since Sep 2025
Smash Balloon Instagram Feed
since Sep 2025
WordPress themes
Audience
- 85% phone
- 15% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.12 / 10 · ranked #3,284,837 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.0 MB · 226 requests
- WordPress theme: hello-elementor (child: hello-theme-child-master) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Animate.css Oct 2025
- dropped Google Font API Oct 2025
- dropped Google Tag Manager Oct 2025
- dropped jsDelivr Oct 2025
- detected core-js Sep 2025
- detected Elementor Sep 2025
- detected Hello Elementor Sep 2025
- detected jQuery Migrate Sep 2025
- detected jQuery UI Sep 2025
- detected MySQL Sep 2025
- detected Open Graph Sep 2025
- detected Polylang Sep 2025
- detected Priority Hints Sep 2025
- detected RSS Sep 2025
- detected Smash Balloon Instagram Feed Sep 2025
- detected WordPress Sep 2025
- detected WP Rocket Sep 2025
- detected Yoast SEO Sep 2025
- detected YouTube Sep 2025