What powers lessonup.app?
Last seen Jun 2026 · 26 technologies across 17 categories
Analytics
Google Analytics
since Apr 2019
CDN
Cloudflare
since Jun 2026
Google Cloud CDN
since Apr 2022
Databases
Development
Emotion
since Oct 2022
Font scripts
Google Font API
since Apr 2019
Hosting
GoDaddy
since Aug 2022
IaaS
Google Cloud
since Mar 2021
Issue trackers
Sentry
since Nov 2019
JavaScript frameworks
Handlebars
since Apr 2019
JavaScript libraries
Maps
Google Maps
since Apr 2019
Miscellaneous
Programming languages
Node.js
since Apr 2019
Security
HSTS
since Sep 2022
Video players
YouTube
since Jul 2022
Web servers
Webmail
Google Workspace
since Aug 2022
Audience
- 90% desktop
- 10% phone
Netherlands
Belgium
Aruba
Germany
United Kingdom
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.83 / 10 · ranked #4,190,628 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.2 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Google
- Weight: 3.5 MB · 53 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| lessonup.app | 25 |
| staging.lessonup.app | 24 |
| www.lessonup.app | 8 |
Full technology history →
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Recent changes
- detected Cloudflare Jun 2026