What powers ess.co.jp?
Last seen Jun 2026 · 26 technologies across 15 categories
Analytics
Google Analytics
since Jan 2021
CDN
Google Hosted Libraries
since Apr 2022
jsDelivr
since May 2025
CMS
microCMS
since May 2025
Font scripts
Google Font API
since Jan 2021
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Red Hat
since Apr 2023
Performance
Priority Hints
since May 2025
Programming languages
Security
HSTS
since May 2025
Tag managers
Google Tag Manager
since Apr 2022
Web server extensions
Web servers
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.67 / 10 · ranked #777,602 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 100 ms |
| CLS | 0.2 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 10.8 MB · 49 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| recruit.ess.co.jp | 21 |
| www.ess.co.jp | 15 |