What powers esrda.edu.pt?
Last seen Aug 2026 · 10 technologies across 9 categories
Advertising
Google AdSense
since Apr 2019
Blogs
Blogger
since Apr 2019
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Google Font API
since Apr 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Web servers
OpenGSE
since Apr 2019
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 61% phone
- 39% desktop
Portugal
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.03 / 10 · ranked #12,083,931 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Infrastructure
- Hosted on CLARANET- (80.172.234.26)
- DNS: host-redirect.com
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 16,904,339
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted