What powers webcourse.jp?
Last seen Jun 2026 · 47 technologies across 23 categories
Advertising
Google AdSense
since Apr 2019
Analytics
Microsoft Clarity
since Aug 2022
Authentication
Facebook Login
since Aug 2022
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2023
jQuery CDN
since Apr 2026
jsDelivr
since Apr 2026
CMS
Databases
MySQL
since Apr 2019
Ecommerce
Cart Functionality
since Aug 2022
Font scripts
Google Font API
since May 2020
Twitter Emoji (Twemoji)
since Apr 2019
Hosting
Xserver
since Apr 2026
JavaScript frameworks
JavaScript libraries
Highlight.js
since Apr 2019
LazySizes
since Feb 2022
LazySizes unveilhooks plugin
since Jul 2022
OWL Carousel
since Jul 2021
Slick
since Feb 2020
Swiper
since Sep 2022
Miscellaneous
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Security
reCAPTCHA
since Mar 2021
Social logins
Google Sign-in
since Feb 2021
Tag managers
Google Tag Manager
since May 2019
UI frameworks
Video players
YouTube
since Jul 2022
Web frameworks
Web servers
Nginx
since Apr 2019
Widgets
WordPress plugins
Audience
- 73% desktop
- 27% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.12 / 10 · ranked #493,172 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.2 MB · 35 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| tochigi-south.webcourse.jp | 23 |
| akita.webcourse.jp | 21 |
| niigata.webcourse.jp | 20 |
| kitakinki.webcourse.jp | 16 |
| chiba.webcourse.jp | 14 |
| webcourse.jp | 14 |
| hida.webcourse.jp | 13 |
| ibaraki.webcourse.jp | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Amazon ALB May 2026
- dropped HSTS May 2026
- detected Alpine.js Apr 2026
- detected jQuery CDN Apr 2026
- detected jsDelivr Apr 2026
- detected Laravel Apr 2026
- detected Livewire Apr 2026
- detected Swiper Apr 2026
- detected Xserver Apr 2026