What powers freecourse.io?
Last seen Jun 2026 · 20 technologies across 9 categories
Analytics
Cloudflare Browser Insights
since Feb 2026
Google Analytics
since Sep 2025
Microsoft Clarity
since May 2026
CDN
Cloudflare
since Sep 2025
Development
JavaScript frameworks
Miscellaneous
Performance
Cloudflare Zaraz
since Feb 2026
Priority Hints
since Feb 2026
Programming languages
Node.js
since Feb 2026
Security
HSTS
since Feb 2026
UI frameworks
Audience
- 80% phone
- 20% desktop
Nigeria
India
Pakistan
Bangladesh
Malaysia
Egypt
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.45 / 10 · ranked #29,635,398 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.7 MB · 78 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Turbopack Jun 2026
- detected Microsoft Clarity May 2026
- dropped Bootstrap Mar 2026
- dropped Cloudflare Bot Management Mar 2026
- dropped Contact Form 7 Mar 2026
- dropped FancyBox Mar 2026
- dropped Google Font API Mar 2026
- dropped Google Tag Manager Mar 2026
- dropped Gravatar Mar 2026
- dropped jQuery Mar 2026
- dropped jQuery Migrate Mar 2026
- dropped Ko-fi Mar 2026
- dropped LazySizes Mar 2026
- dropped Litespeed Cache Mar 2026
- dropped MySQL Mar 2026
- dropped OneSignal Mar 2026
- dropped PHP Mar 2026
- dropped RSS Mar 2026
- dropped Select2 Mar 2026
- dropped Site Kit Mar 2026
- dropped VideoJS Mar 2026
- dropped Vue.js Mar 2026
- dropped WordPress Mar 2026
- dropped wpBakery Mar 2026
- dropped Yoast SEO Mar 2026
- dropped Twitter Emoji (Twemoji) Feb 2026