What powers mcs4kids.com?
Last seen Jun 2026 · 54 technologies across 20 categories
Analytics
Google Analytics
since Jun 2018
Siteimprove
since Feb 2023
Caching
Varnish
since Dec 2024
CDN
Amazon CloudFront
since Oct 2022
cdnjs
since Aug 2022
Cloudflare
since Oct 2020
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Aug 2022
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Font Awesome
since Oct 2022
Google Font API
since Apr 2018
JavaScript frameworks
JavaScript libraries
jPlayer
since Oct 2022
Miscellaneous
Operating systems
Windows Server
since Jun 2018
PaaS
Amazon Web Services
since Oct 2022
Performance
Priority Hints
since Oct 2025
Programming languages
Reverse proxies
Nginx
since Aug 2022
Rich text editors
CKEditor
since Aug 2022
Security
Tag managers
Google Tag Manager
since Aug 2022
UI frameworks
Web frameworks
Web servers
IIS
since Apr 2018
Webmail
Apple iCloud Mail
since Dec 2025
Microsoft 365
since Aug 2022
Audience
- 60% phone
- 40% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.24 / 10 · ranked #1,205,342 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0.2 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 8.2 MB · 213 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| rg-express.mcs4kids.com | 22 |
| rg-registration.mcs4kids.com | 22 |
| rg-update.mcs4kids.com | 22 |
| ista.mcs4kids.com | 20 |
| marktwain.mcs4kids.com | 19 |
| tuolumne.mcs4kids.com | 19 |
| www.mcs4kids.com | 19 |
| beard.mcs4kids.com | 18 |
| beyer.mcs4kids.com | 18 |
| bretharte.mcs4kids.com | 18 |
| burbank.mcs4kids.com | 18 |
| davis.mcs4kids.com | 18 |
| downey.mcs4kids.com | 18 |
| elliott.mcs4kids.com | 18 |
| elvista.mcs4kids.com | 18 |
| enochs.mcs4kids.com | 18 |
| fairview.mcs4kids.com | 18 |
| franklin.mcs4kids.com | 18 |
| fremont.mcs4kids.com | 18 |
| garrison.mcs4kids.com | 18 |
| gregori.mcs4kids.com | 18 |
| hanshaw.mcs4kids.com | 18 |
| johansen.mcs4kids.com | 18 |
| lakewood.mcs4kids.com | 18 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Apple iCloud Mail Dec 2025
- detected Priority Hints Oct 2025
- dropped Amazon ALB Sep 2025