What powers ertk.net?
Last seen Jun 2026 · 14 technologies across 12 categories
Analytics
Caching
W3 Total Cache
since Feb 2023
CDN
Google Hosted Libraries
since Feb 2022
CMS
WordPress
since Aug 2018
Databases
MySQL
since Aug 2018
JavaScript libraries
Miscellaneous
Open Graph
since Jun 2025
RSS
since Nov 2023
Programming languages
PHP
since Aug 2018
Security
reCAPTCHA
since Apr 2026
Web servers
Nginx
since Aug 2018
Widgets
Pocket
since Feb 2023
WordPress plugins
Audience
- 83% phone
- 15% desktop
- 2% tablet
Japan
Thailand
Taiwan
Hong Kong SAR China
Indonesia
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.97 / 10 · ranked #3,664,845 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.6 MB · 88 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ertk.net | 13 |
| ikou.ertk.net | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected reCAPTCHA Apr 2026
- dropped Amazon ALB Feb 2026
- dropped Amazon Web Services Feb 2026
- detected Amazon ALB Dec 2025
- detected Amazon Web Services Dec 2025