What powers seiwa-stss.jp?
Last seen Jun 2026 · 21 technologies across 12 categories
Advertising
Google Ads
since Dec 2022
Yahoo Advertising
since Apr 2023
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Aug 2018
Microsoft Clarity
since Apr 2025
CMS
Databases
MySQL
since Aug 2019
Font scripts
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since Aug 2018
SEO
Tag managers
Google Tag Manager
since Aug 2018
Web servers
Apache HTTP Server
since Aug 2018
Webmail
Google Workspace
since Aug 2022
Audience
- 60% desktop
- 40% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.12 / 10 · ranked #496,635 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.8 MB · 153 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Mouse Flow Oct 2025