What powers sei-inc.co.jp?
Last seen Jun 2026 · 23 technologies across 14 categories
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Dec 2022
CDN
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jul 2020
CMS
Databases
MySQL
since Jan 2019
Font scripts
Twitter Emoji (Twemoji)
since Jan 2019
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Maps
Google Maps
since Jan 2019
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jan 2019
SEO
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Nginx
since Jan 2019
Widgets
Facebook
since Jan 2019
Audience
- 52% desktop
- 48% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.65 / 10 · ranked #790,327 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.5 MB · 65 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sei-inc.co.jp | 21 |
| sei-inc.co.jp | 14 |