What powers certify.tw?
Last seen Jun 2026 · 32 technologies across 18 categories
Analytics
CDN
jQuery CDN
since Mar 2025
Ecommerce
Cart Functionality
since Mar 2025
Amazon SES
since Mar 2025
Mailgun
since Mar 2025
Font scripts
Google Font API
since Mar 2025
Hosting
GoDaddy
since Mar 2025
Issue trackers
Sentry
since Mar 2025
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Mar 2025
Vercel
since Mar 2025
Performance
Priority Hints
since Jan 2026
Programming languages
Security
HSTS
since Mar 2025
Tag managers
Google Tag Manager
since Mar 2025
UI frameworks
Chakra UI
since Mar 2025
Tailwind CSS
since May 2026
Web frameworks
Ruby on Rails
since Mar 2025
Webmail
Microsoft 365
since Mar 2025
Audience
- 57% phone
- 43% desktop
Taiwan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.01 / 10 · ranked #12,324,624 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese (Taiwan)
- CDN: Vercel
- Weight: 2.9 MB · 139 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Tag Manager Jun 2026
- dropped Lodash Jun 2026
- detected Tailwind CSS May 2026
- dropped Google Tag Manager Feb 2026
- dropped styled-components Feb 2026
- detected Priority Hints Jan 2026