What powers course-db.com?
Last seen Jun 2026 · 22 technologies across 15 categories
Advertising
Google AdSense
since Jan 2023
Analytics
Google Analytics
since May 2021
Snowplow Analytics
since Feb 2025
CDN
CMS
WordPress
since May 2021
Databases
MySQL
since May 2021
Font scripts
Font Awesome
since Jun 2023
Google Font API
since Nov 2025
Hosting
Xserver
since Aug 2022
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since May 2021
Security
reCAPTCHA
since Jun 2021
Tag managers
Google Tag Manager
since Feb 2022
Web servers
Nginx
since May 2021
WordPress plugins
Autoptimize
since Mar 2023
Audience
- 61% phone
- 39% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.29 / 10 · ranked #50,408,684 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.7 MB · 86 requests
- WordPress theme: affinger (child: affinger-child) · all themes
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected jQuery Migrate Jun 2026
- detected Snowplow Analytics May 2026
- detected Google Font API Nov 2025