What powers upper.school?
Last seen Aug 2026 · 50 technologies across 28 categories
Advertising
Microsoft Advertising
since Jun 2026
Analytics
Google Analytics
since Apr 2019
HubSpot Analytics
since Apr 2024
CDN
Cloudflare
since Apr 2024
CMS
Cookie compliance
Databases
MySQL
since Apr 2019
Font scripts
Font Awesome
since Apr 2019
Google Font API
since Apr 2019
Issue trackers
Sentry
since Feb 2025
JavaScript frameworks
JavaScript graphics
Chart.js
since Apr 2019
JavaScript libraries
OWL Carousel
since Apr 2019
Preact
since Aug 2026
Marketing automation
Miscellaneous
Mobile frameworks
Operating systems
Windows Server
since Apr 2019
PaaS
Azure
since Aug 2022
Page builders
Divi
since May 2022
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Apr 2019
TypeScript
since Jul 2021
Rich text editors
Security
Cloudflare Bot Management
since Apr 2024
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since May 2022
Tag managers
Google Tag Manager
since Apr 2019
UI frameworks
Video players
YouTube
since May 2022
Web frameworks
Microsoft ASP.NET
since Apr 2019
Web servers
Apache HTTP Server
since Apr 2019
Webmail
Google Workspace
since Aug 2022
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 69% phone
- 31% desktop
Romania
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.69 / 10 · ranked #5,046,516 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Romanian (Romania)
- Weight: 3.6 MB · 157 requests
- WordPress theme: divi (child: wptiff) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| upper.school | 38 |
| app.upper.school | 20 |
| lp.upper.school | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Klaviyo Customer Hub Aug 2026
- detected Preact Aug 2026
- dropped CookieYes Jul 2026
- detected Cookiebot Jun 2026
- detected Microsoft Advertising Jun 2026
- dropped Webpack Jun 2026
- detected Contact Form 7 Feb 2026
- detected jQuery Mobile Feb 2026
- detected WP-PageNavi Feb 2026
- detected Google Font API Nov 2025