What powers sakubun.ai?
Last seen Jun 2026 · 44 technologies across 23 categories
A/B Testing
Google Optimize
since Aug 2023
Advertising
Tapad
since Aug 2023
Affiliate programs
A8.net
since Jul 2023
Analytics
Amplitude
since Sep 2023
Google Analytics
since May 2023
Microsoft Clarity
since May 2023
Profitwell
since Sep 2023
Authentication
NextAuth.js
since Sep 2023
CDN
Amazon CloudFront
since Jul 2023
cdnjs
since Mar 2024
Cloudflare
since May 2023
Google Cloud CDN
since May 2023
Databases
Firebase
since May 2023
Font scripts
Google Font API
since May 2023
IaaS
Google Cloud
since May 2023
Issue trackers
Sentry
since Sep 2023
JavaScript frameworks
JavaScript libraries
Marketing automation
HubSpot
since Aug 2023
Miscellaneous
PaaS
Amazon Web Services
since Jul 2023
Vercel
since Sep 2023
Page builders
STUDIO
since May 2023
Programming languages
Node.js
since May 2023
Reverse proxies
Security
Cloudflare Bot Management
since Jul 2023
HSTS
since Jul 2023
Tag managers
Google Tag Manager
since May 2023
UI frameworks
Tailwind CSS
since Sep 2023
User onboarding
Appcues
since Oct 2023
Webmail
Google Workspace
since May 2023
Audience
- 77% desktop
- 23% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.73 / 10 · ranked #749,782 of all domains
90 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0.05 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 3.3 MB · 143 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| app.sakubun.ai | 23 |
| sakubun.ai | 23 |
| help.sakubun.ai | 17 |
Full technology history →
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Recent changes
- dropped Priority Hints May 2026
- detected Priority Hints Feb 2026
- dropped HubSpot Analytics Nov 2025