What powers sudokuprofessor.com?
Last seen Jun 2026 · 40 technologies across 20 categories
Analytics
Google Analytics
since Aug 2018
Microsoft Clarity
since May 2024
CDN
cdnjs
since Sep 2022
Cloudflare
since Sep 2022
CMS
Databases
MySQL
since Aug 2018
Ecommerce
Cart Functionality
since Nov 2020
Font scripts
Issue trackers
JavaScript graphics
JavaScript libraries
Live chat
LMS
Teachable
since Jul 2021
Miscellaneous
Performance
LazySizes
since Feb 2022
Priority Hints
since Oct 2023
Programming languages
PHP
since Aug 2018
Security
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since May 2020
Tag managers
Google Tag Manager
since Aug 2018
UI frameworks
Video players
Web servers
Apache HTTP Server
since Nov 2025
WordPress plugins
Beaver Builder
since Jul 2024
EWWW Image Optimizer
since Feb 2022
Audience
- 62% desktop
- 38% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.43 / 10 · ranked #31,093,360 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.8 s |
| CLS | 0.2 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 5.4 MB · 177 requests
- WordPress theme: bb-theme (child: bb-theme-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sudokuprofessor.com | 32 |
| learn.sudokuprofessor.com | 15 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Apr 2026
- dropped React Mar 2026
- dropped HSTS Dec 2025
- dropped LiteSpeed Dec 2025