What powers usj.ac.cr?
Last seen Sep 2026 · 55 technologies across 23 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Jan 2021
CDN
cdnjs
since Jul 2026
Cloudflare
since Mar 2022
DigitalOcean Spaces
since Jul 2026
ImageKit
since Jul 2026
jsDelivr
since Nov 2023
CMS
Databases
MySQL
since Jul 2020
Ecommerce
Cart Functionality
since Sep 2023
Font scripts
Font Awesome
since Jun 2019
Twitter Emoji (Twemoji)
since Jul 2020
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Tidio
since Feb 2021
WhatsApp Business Chat
since Feb 2022
LMS
Moodle
since Jan 2019
Miscellaneous
Operating systems
Payment processors
PayPal
since Jul 2026
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Jan 2019
UI frameworks
Video players
Web servers
Webmail
Google Workspace
since Aug 2022
WordPress plugins
WordPress themes
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 80% phone
- 20% desktop
Costa Rica
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.25 / 10 · ranked #9,343,940 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 2200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Spanish (Mexico)
- CDN: Cloudflare
- Weight: 5.1 MB · 156 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.63.23)
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 24,761,408, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| arena.usj.ac.cr | 27 |
| virtual.usj.ac.cr | 26 |
| sanramon.usj.ac.cr | 22 |
| usj.ac.cr | 22 |
| www.usj.ac.cr | 21 |
| campus.usj.ac.cr | 14 |
| puntarenas.usj.ac.cr | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected LiteSpeed May 2026
- detected Cloudflare Browser Insights Nov 2025