What powers rocketenglish.jp?
Last seen Jun 2026 · 25 technologies across 14 categories
Analytics
CDN
Cloudflare
since May 2026
CMS
Databases
MySQL
since Jul 2020
Font scripts
Font Awesome
since Dec 2022
JavaScript libraries
Miscellaneous
Open Graph
since Dec 2022
Performance
Priority Hints
since Apr 2024
Programming languages
PHP
since Jul 2020
Tag managers
Google Tag Manager
since Mar 2021
Web servers
Nginx
since Jul 2020
Widgets
Elfsight
since Apr 2024
WordPress plugins
Endurance Page Cache
since Dec 2022
Essential Addons for Elementor
since Dec 2022
FlyingPress
since Mar 2025
WordPress themes
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.21 / 10 · ranked #9,809,868 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.8 MB · 55 requests
- WordPress theme: astra · 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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Recent changes
- dropped Xserver Jun 2026
- detected Endurance Page Cache Mar 2026
- dropped React Jan 2026
- dropped styled-components Jan 2026