What powers cttexpresso.pt?
Last seen Sep 2026 · 17 technologies across 9 categories
Advertising
Analytics
JavaScript graphics
JavaScript libraries
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
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 not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 97% desktop
- 3% phone
Portugal
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.73 / 10 · ranked #288,224 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 2.1 MB · 34 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: ctt.pt
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Sectigo, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 436,784, 3 hosts
- Verified with: MongoDB, TeamViewer
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| portal.cttexpresso.pt | 15 |
| www.cttexpresso.pt | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Advertising Sep 2026
- detected Microsoft Clarity Sep 2026
- dropped Microsoft Clarity Nov 2025