What powers seirin.jp?
Last seen Jun 2026 · 63 technologies across 31 categories
Advertising
Twitter Ads
since Jun 2023
Analytics
Google Ads Conversion Tracking
since Oct 2022
Google Analytics
since Jul 2019
Microsoft Clarity
since Aug 2022
Authentication
Azure AD B2C
since Oct 2023
CDN
Cloudflare
since Apr 2024
Google Cloud CDN
since Feb 2023
jQuery CDN
since Feb 2022
jsDelivr
since Jun 2021
CMS
CRM
Salesforce
since Aug 2022
Databases
Development
Emotion
since Jun 2023
Ecommerce
Cart Functionality
since Jan 2024
Shopify
since Apr 2024
Font scripts
Google Font API
since Nov 2019
IaaS
Google Cloud
since Sep 2022
JavaScript frameworks
JavaScript libraries
Load balancers
Azure Front Door
since Jun 2022
Marketing automation
Pardot
since May 2020
Salesforce Marketing Cloud Account Engagement
since Dec 2022
Miscellaneous
PaaS
Page builders
STUDIO
since Sep 2022
WordPress Block Editor
since Oct 2024
Payment processors
American Express
since Apr 2026
Apple Pay
since Apr 2024
Google Pay
since Apr 2026
Mastercard
since Apr 2026
PayPal
since Apr 2024
Shop Pay
since Apr 2024
Visa
since Apr 2026
Performance
Priority Hints
since Apr 2024
Programming languages
Reviews
Judge.me
since Apr 2026
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Sep 2022
SEO
Shopify apps
Locksmith
since Feb 2025
Tag managers
Google Tag Manager
since Jul 2019
UI frameworks
Tailwind CSS
since Apr 2026
Web frameworks
Microsoft ASP.NET
since Jun 2021
Web servers
Nginx
since Aug 2021
Webmail
Microsoft 365
since Aug 2022
Widgets
Twitter
since Jun 2023
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 79% phone
- 20% desktop
- 1% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.71 / 10 · ranked #135,982 of all domains
101 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0.15 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Vercel
- Weight: 1.1 MB · 69 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| onlinestore.seirin.jp | 24 |
| www.seirin.jp | 22 |
| 89pf.seirin.jp | 20 |
| sales.seirin.jp | 18 |
| shinkyutsunagarukarte.seirin.jp | 16 |
| karterrace.seirin.jp | 14 |
| kenkounihari.seirin.jp | 14 |
| kanri.seirin.jp | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Preact May 2026
- dropped Shopify Chat May 2026
- detected American Express Apr 2026
- detected Google Pay Apr 2026
- detected Judge.me Apr 2026
- detected Mastercard Apr 2026
- detected Tailwind CSS Apr 2026
- detected Visa Apr 2026
- detected WordPress Block Editor Apr 2026
- dropped Apache HTTP Server Feb 2026
- dropped Autoptimize Feb 2026
- detected Nginx Jan 2026
- dropped Cloudflare Bot Management Nov 2025
- detected Bootstrap Oct 2025