What powers sealuck.co.jp?
Last seen Jun 2026 · 25 technologies across 14 categories
Advertising
Twitter Ads
since Nov 2021
Analytics
CDN
Amazon CloudFront
since Nov 2021
Cloudflare
since Mar 2025
Font scripts
Google Font API
since Nov 2021
Hosting
Sakura Internet
since Dec 2023
JavaScript libraries
Marketing automation
BowNow
since Feb 2022
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Nov 2021
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Nov 2021
Web frameworks
Microsoft ASP.NET
since Dec 2023
Web servers
Apache HTTP Server
since Nov 2021
Widgets
SnapWidget
since Feb 2022
Twitter
since Nov 2021
Audience
- 85% phone
- 15% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.09 / 10 · ranked #511,746 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.3 MB · 59 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sealuck.co.jp | 21 |
| ec.sealuck.co.jp | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected core-js Sep 2025
- detected Facebook Pixel Sep 2025
- dropped Moment.js Aug 2025