What powers keyholder.co.jp?
Last seen Jun 2026 · 25 technologies across 15 categories
Analytics
Google Analytics
since Feb 2022
CDN
jQuery CDN
since Feb 2022
jsDelivr
since Feb 2022
CMS
WordPress
since Feb 2023
Databases
MySQL
since Feb 2023
Font scripts
Google Font API
since Feb 2022
Twitter Emoji (Twemoji)
since Feb 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
CentOS
since Jan 2019
Programming languages
PHP
since Jan 2019
Retargeting
Google Remarketing Tag
since Feb 2022
RUM
Datadog
since Feb 2022
Tag managers
Google Tag Manager
since Feb 2022
UI frameworks
Bootstrap
since Feb 2021
Web servers
Nginx
since Feb 2023
Audience
- 58% desktop
- 42% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.84 / 10 · ranked #698,546 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 8.0 MB · 120 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| premiumclub.keyholder.co.jp | 17 |
| www.keyholder.co.jp | 15 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025