What powers delessons.org?
Last seen Jun 2026 · 15 technologies across 9 categories
Analytics
Cloudflare Browser Insights
since Aug 2025
Google Analytics
since Mar 2021
CDN
Cloudflare
since Aug 2025
Google Hosted Libraries
since Apr 2022
Font scripts
Google Font API
since Mar 2021
JavaScript libraries
Miscellaneous
Programming languages
Java
since Mar 2021
Tag managers
Google Tag Manager
since May 2023
Video players
Webmail
Google Workspace
since Aug 2022
Audience
- 75% phone
- 25% desktop
Philippines
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.37 / 10 · ranked #7,779,678 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.6 MB · 33 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apache HTTP Server Sep 2025
- dropped Apache Tomcat Sep 2025
- dropped mod_jk Sep 2025
- dropped OpenSSL Sep 2025
- dropped PHP Sep 2025
- detected Cloudflare Aug 2025
- detected Cloudflare Browser Insights Aug 2025
- detected HTTP/3 Aug 2025