What powers r-contena.jp?
Last seen Jun 2026 · 33 technologies across 15 categories
Advertising
AD EBiS
since Dec 2022
Google Ads
since Dec 2022
Microsoft Advertising
since May 2023
Yahoo Advertising
since Apr 2022
Affiliate programs
A8.net
since Feb 2021
Analytics
Google Ads Conversion Tracking
since Aug 2021
Google Analytics
since Jan 2019
Matomo Analytics
since Apr 2022
Microsoft Clarity
since May 2023
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Axios
since Jul 2025
LazySizes
since Feb 2022
OWL Carousel
since Jan 2019
Slick
since Jan 2019
Underscore.js
since Jan 2019
Marketing automation
Salesforce Marketing Cloud Account Engagement
since Dec 2022
PaaS
Amazon Web Services
since Jan 2019
Programming languages
PHP
since Jan 2019
Security
HSTS
since Jul 2025
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web frameworks
Web servers
Nginx
since Jul 2025
Audience
- 82% phone
- 18% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.15 / 10 · ranked #1,346,958 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 150 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 5.0 MB · 280 requests
- Structured data: JSON-LD, Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Amazon EC2 Aug 2025
- dropped Apache HTTP Server Aug 2025
- dropped Google Maps Aug 2025
- dropped lit-element Aug 2025
- dropped lit-html Aug 2025
- dropped OpenSSL Aug 2025
- dropped Yahoo! Tag Manager Aug 2025