What powers englishclass101.com?
Last seen Jun 2026 · 19 technologies across 14 categories
Advertising
Microsoft Advertising
since Feb 2021
Analytics
Google Analytics
since Jun 2018
Microsoft Clarity
since Jan 2022
CDN
Amazon CloudFront
since Jun 2019
Cloudflare
since Jun 2026
Documentation
Zendesk
since Apr 2025
Font scripts
Typekit
since Feb 2021
JavaScript frameworks
React
since Apr 2025
JavaScript libraries
Load balancers
Amazon ALB
since Apr 2025
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Jun 2019
Programming languages
PHP
since Jun 2018
Security
Cloudflare Bot Management
since Jun 2026
reCAPTCHA
since May 2021
Tag managers
Google Tag Manager
since Apr 2018
Web servers
Nginx
since Oct 2018
Audience
- 67% phone
- 29% desktop
- 4% tablet
Indonesia
Iran
Bangladesh
Egypt
Saudi Arabia
Peru
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.61 / 10 · ranked #385,124 of all domains
160 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 2.4 MB · 99 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- dropped core-js Nov 2025
- dropped Facebook Pixel Nov 2025