What powers 21stcc.com?
Last seen Jun 2026 · 24 technologies across 18 categories
Analytics
Google Analytics
since May 2022
CDN
Amazon S3
since Aug 2025
CMS
Databases
MySQL
since Mar 2022
Ecommerce
Cart Functionality
since Feb 2022
Ecwid
since Feb 2021
Font scripts
Twitter Emoji (Twemoji)
since May 2022
JavaScript frameworks
Vue.js
since Aug 2025
JavaScript libraries
Load balancers
Amazon ALB
since Aug 2025
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
PaaS
Amazon Web Services
since Aug 2025
Page builders
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Mar 2022
Web frameworks
Microsoft ASP.NET
since Aug 2025
Web servers
Apache HTTP Server
since Jan 2019
WordPress plugins
WordPress themes
Audience
- 53% desktop
- 47% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.38 / 10 · ranked #2,712,716 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0.45 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 3.5 MB · 102 requests
- WordPress theme: astra · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Isotope Nov 2025
- dropped Slick Nov 2025
- dropped Nginx Sep 2025
- dropped OpenResty Sep 2025
- detected Amazon ALB Aug 2025
- detected Amazon S3 Aug 2025
- detected Amazon Web Services Aug 2025
- detected Cart Functionality Aug 2025
- detected Ecwid Aug 2025
- detected Microsoft ASP.NET Aug 2025
- detected Vue.js Aug 2025