What powers seiren.com?
Last seen Jun 2026 · 41 technologies across 19 categories
Advertising
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Aug 2018
Matomo Analytics
since Nov 2025
Microsoft Clarity
since Jan 2022
TikTok Pixel
since Feb 2024
CDN
CMS
Databases
MySQL
since Jul 2022
Font scripts
Google Font API
since Jun 2021
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript libraries
Load balancers
Amazon ALB
since Oct 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Feb 2023
PaaS
Amazon Web Services
since Oct 2022
Performance
Priority Hints
since Mar 2026
Programming languages
PHP
since Jul 2022
Security
Cloudflare Bot Management
since Apr 2025
HSTS
since Feb 2024
Really Simple SSL & Security
since Dec 2025
reCAPTCHA
since Jun 2023
Tag managers
Google Tag Manager
since Aug 2018
UI frameworks
Bootstrap
since Jul 2021
Web frameworks
Microsoft ASP.NET
since Feb 2020
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Dec 2021
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
WordPress plugins
Audience
- 64% phone
- 36% desktop
Japan
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.29 / 10 · ranked #436,090 of all domains
124 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese (Japan)
- Weight: 2.5 MB · 164 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sam.seiren.com | 20 |
| store.seiren.com | 18 |
| www.kst.seiren.com | 17 |
| recruit.seiren.com | 15 |
| seiren.com | 13 |
| www.seiren.com | 13 |
| shop.seiren.com | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- detected Priority Hints Mar 2026
- detected TikTok Pixel Jan 2026
- dropped Cloudflare Bot Management Nov 2025
- detected Matomo Analytics Nov 2025