What powers rkenglish.com?
Last seen Jun 2026 · 30 technologies across 20 categories
Advertising
Twitter Ads
since Dec 2022
Analytics
Google Analytics
since Dec 2022
Authentication
Facebook Login
since Dec 2022
Caching
W3 Total Cache
since Apr 2026
CDN
CMS
Databases
MySQL
since Dec 2022
Font scripts
Google Font API
since Dec 2022
Hosting
IONOS
since Dec 2022
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Dec 2023
Programming languages
Security
Cloudflare Bot Management
since Feb 2024
UI frameworks
Video players
YouTube
since Dec 2022
Web servers
Apache HTTP Server
since Dec 2022
Webmail
Google Workspace
since Dec 2022
Widgets
SoundCloud
since Dec 2022
Twitter
since Dec 2022
WordPress plugins
Smash Balloon Instagram Feed
since Jan 2026
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.52 / 10 · ranked #6,320,621 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 27.1 MB · 347 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected W3 Total Cache Apr 2026
- detected Smash Balloon Instagram Feed Jan 2026