What powers imtcalc.pt?
Last seen Oct 2026 · 23 technologies across 12 categories
Analytics
CDN
Development
JavaScript frameworks
Miscellaneous
PaaS
Performance
Programming languages
Security
Static site generator
Tag managers
UI frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Oct 2026 llms-full.txt appeared
- Sep 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 77% phone
- 23% desktop
Portugal
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.2 MB · 46 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- IMT Calc
- Industry: Software and apps (declares
WebApplication)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.73.31, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- Email security: DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Verified with: Google, Yandex Webmaster
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Astro Oct 2026
- detected Cloudflare Browser Insights Oct 2026
- detected HTTP/3 Oct 2026
- detected Plausible Oct 2026
- dropped Cloudflare Browser Insights Sep 2026
- dropped HTTP/3 Sep 2026