What powers course-notes.org?
Last seen Jun 2026 · 26 technologies across 14 categories
Advertising
Criteo
since Jun 2018
DoubleClick for Publishers (DFP)
since Jun 2018
Google AdSense
since Jun 2018
Prebid
since Jun 2018
Sovrn
since Jun 2021
Analytics
Ahrefs
since Jun 2023
Cloudflare Browser Insights
since Aug 2023
comScore
since Apr 2018
Google Analytics
since Jun 2018
Quantcast Measure
since Jun 2018
CDN
Cloudflare
since Apr 2018
CMS
Hosting
Drupal Multisite
since Apr 2022
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Performance
Cloudflare Rocket Loader
since Aug 2023
Programming languages
PHP
since Jun 2018
RUM
Pingdom RUM
since Jul 2023
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jun 2018
Widgets
Facebook
since Jun 2018
Audience
- 85% desktop
- 15% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.36 / 10 · ranked #1,057,986 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.7 MB · 60 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| course-notes.org | 19 |
| www.course-notes.org | 15 |
Full technology history →
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Recent changes
- dropped Adobe Audience Manager Apr 2026
- dropped AppNexus Apr 2026
- dropped Bootstrap Apr 2026
- dropped cdnjs Apr 2026
- dropped DoubleClick Campaign Manager (DCM) Apr 2026
- dropped Google Publisher Tag Apr 2026
- dropped ID5 Apr 2026
- dropped Microsoft ASP.NET Apr 2026
- dropped OpenX Apr 2026
- dropped PubMatic Apr 2026
- dropped reCAPTCHA Apr 2026
- dropped Rubicon Project Apr 2026
- dropped Snowplow Analytics Apr 2026
- dropped Tapad Apr 2026
- dropped TripleLift Apr 2026
- dropped VideoJS Apr 2026
- dropped 33Across Dec 2025
- dropped Confiant Dec 2025
- dropped Amazon Advertising Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped core-js Nov 2025
- detected Cloudflare Bot Management Sep 2025