What powers calculus.com.tw?
Last seen Aug 2026 · 5 technologies across 4 categories
Operating systems
Windows Server
since Jan 2025
Programming languages
Adobe Flash
since Jun 2021
Web servers
Webmail
Google Workspace
since Sep 2022
AI Crawlers
robots.txt could not be read at the last check (Aug 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 3.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 3200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.5 MB · 36 requests
Homepage as crawled by the HTTP Archive, Sep 2026.