What powers uisil.ac.cr?
Last seen Sep 2026 · 16 technologies across 11 categories
Analytics
Google Analytics
since Dec 2020
Microsoft Clarity
since Aug 2023
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Jan 2019
JavaScript libraries
Live chat
WhatsApp Business Chat
since Jul 2023
Performance
Turbolinks
since Jul 2023
Programming languages
PHP
since Jan 2019
Security
HSTS
since May 2025
UI frameworks
Video players
YouTube
since Oct 2020
Web servers
Apache HTTP Server
since Nov 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 77% phone
- 23% desktop
Costa Rica
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.82 / 10 · ranked #4,245,248 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.9 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 4600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 7.8 MB · 110 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SERVERCENTRAL (205.234.134.47)
- DNS: uisil.ac.cr
- Email: no MX record returned, SPF names MailChannels
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 15,000,112, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| uisil.ac.cr | 15 |
| www.uisil.ac.cr | 15 |