What powers classpass.co.jp?
Last seen Jun 2026 · 39 technologies across 18 categories
Advertising
Amazon Advertising
since Aug 2025
Amobee
since Oct 2024
APPLOVIN
since Apr 2025
AppNexus
since Oct 2024
Microsoft Advertising
since Oct 2024
Nextdoor Ads
since Jul 2025
Reddit Ads
since Jan 2025
Tatari
since Oct 2024
Affiliate programs
Impact
since Oct 2024
Tradedoubler
since Feb 2025
Analytics
Datadog
since Sep 2025
Google Analytics
since Oct 2024
Linkedin Insight Tag
since Oct 2024
Sprig
since Apr 2025
TikTok Pixel
since Oct 2024
CDN
CMS
Contentful
since Oct 2024
Cookie compliance
TrustArc
since Mar 2025
Customer data platform
Ecommerce
Amazon Webstore
since Aug 2025
JavaScript frameworks
JavaScript libraries
Marketing automation
Mautic
since Jun 2026
Miscellaneous
Open Graph
since Feb 2026
Webpack
since Oct 2024
Personalisation
Optimizely
since Oct 2024
Rokt
since Feb 2025
Programming languages
Node.js
since Oct 2024
RUM
Pingdom RUM
since Oct 2024
Security
Cloudflare Bot Management
since Oct 2024
HSTS
since Oct 2024
Tag managers
Google Tag Manager
since Oct 2024
UI frameworks
Headless UI
since Oct 2024
Audience
- 58% desktop
- 42% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.49 / 10 · ranked #6,606,822 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 13.0 MB · 214 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Mautic Jun 2026
- detected Cloudinary May 2026
- detected mParticle May 2026
- detected Open Graph Feb 2026
- detected Datadog Sep 2025
- dropped New Relic Sep 2025
- detected Amazon Advertising Aug 2025
- detected Amazon Webstore Aug 2025
- dropped Everflow Aug 2025