What powers core.ac.jp?
Last seen Jun 2026 · 46 technologies across 21 categories
Advertising
Twitter Ads
since Aug 2022
Analytics
Google Analytics
since Mar 2020
Authentication
Facebook Login
since Aug 2022
CDN
cdnjs
since Nov 2023
Cloudflare
since Nov 2023
jQuery CDN
since Nov 2023
jsDelivr
since Dec 2023
Unpkg
since Dec 2023
CMS
Databases
MySQL
since Mar 2020
Font scripts
Font Awesome
since Aug 2022
Twitter Emoji (Twemoji)
since Mar 2020
JavaScript graphics
Chart.js
since Mar 2020
JavaScript libraries
Clipboard.js
since Aug 2022
Isotope
since Jun 2022
jQuery Migrate
since Mar 2020
LazySizes
since Jun 2022
Lightbox
since Mar 2020
Modernizr
since Mar 2020
Swiper
since Aug 2025
Miscellaneous
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Sep 2023
Photo galleries
Programming languages
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since May 2023
UI frameworks
Material Design Lite
since Dec 2023
Video players
YouTube
since Mar 2020
Web servers
Apache HTTP Server
since May 2020
Nginx
since Mar 2020
Webmail
Google Workspace
since Mar 2023
Widgets
Twitter
since Aug 2022
WordPress plugins
Jetpack
since Jun 2023
MetaSlider
since Nov 2023
Smash Balloon Instagram Feed
since Aug 2022
TablePress
since Aug 2022
Audience
- 54% desktop
- 46% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.67 / 10 · ranked #779,633 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.7 MB · 96 requests
- WordPress theme: businesspress (child: businesspress-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| kbc.core.ac.jp | 34 |
| www.icc.core.ac.jp | 21 |
| www.core.ac.jp | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- dropped TinyMCE May 2026
- dropped Master Slider Plugin Mar 2026
- dropped Cloudflare Bot Management Nov 2025
- detected TinyMCE Nov 2025
- detected core-js Aug 2025
- detected Swiper Aug 2025