What powers celloprofessor.com?
Last seen Jun 2026 · 19 technologies across 13 categories
Analytics
Captchas
reCAPTCHA
since Jan 2019
Hosting
IONOS
since Aug 2022
JavaScript libraries
Live chat
WhatsApp Business Chat
since Feb 2022
Miscellaneous
Open Graph
since Sep 2022
Page builders
Photo galleries
PhotoSwipe
since Apr 2025
Search engines
Site Search 360
since Feb 2022
Security
HSTS
since Feb 2025
Video Players
YouTube
since Jan 2019
Web servers
Nginx
since Jan 2019
Widgets
Facebook
since Jan 2019
Audience
- 65% phone
- 35% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.98 / 10 · ranked #12,945,977 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.8 MB · 61 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.celloprofessor.com | 15 |
| m.celloprofessor.com | 6 |
Full technology history →
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Recent changes
- dropped Webpack Jan 2026
- dropped Cloudflare Sep 2025
- dropped Cloudflare Bot Management Sep 2025