What powers d2cr.co.jp?
Last seen Jun 2026 · 40 technologies across 18 categories
Analytics
Google Analytics
since Aug 2018
Microsoft Clarity
since Sep 2024
Authentication
Facebook Login
since Mar 2024
CDN
Amazon CloudFront
since Aug 2018
cdnjs
since Apr 2023
Cloudflare
since Apr 2023
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jul 2020
Unpkg
since Apr 2023
CMS
WordPress
since Aug 2018
Databases
MySQL
since Aug 2018
Google Workspace
since Aug 2022
Sendgrid
since Jul 2025
Font scripts
Google Font API
since Feb 2020
JavaScript libraries
Clipboard.js
since Jul 2025
jQuery Migrate
since Mar 2020
LazySizes
since Apr 2023
Select2
since Dec 2021
Slick
since Mar 2020
Swiper
since Sep 2022
Live chat
HubSpot Chat
since Aug 2025
Marketing automation
HubSpot
since Mar 2025
Salesforce Marketing Cloud Account Engagement
since Mar 2024
Miscellaneous
PaaS
Amazon Web Services
since Feb 2020
Performance
Priority Hints
since Jan 2026
Programming languages
PHP
since Aug 2018
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Mar 2026
Tag managers
Google Tag Manager
since Aug 2018
Web servers
Nginx
since Aug 2018
WordPress plugins
ProfilePress
since Feb 2022
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 84% desktop
- 16% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.05 / 10 · ranked #35,682 of all domains
67 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 2500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 5.2 MB · 141 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| canvas.d2cr.co.jp | 36 |
| www.d2cr.co.jp | 32 |
| r-ibrary.d2cr.co.jp | 23 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HSTS Mar 2026
- detected Priority Hints Jan 2026
- detected HubSpot Chat Aug 2025