What powers 521cars.com?
Last seen Jun 2026 · 21 technologies across 15 categories
Accessibility
AudioEye
since Jan 2025
CDN
Cloudflare
since Oct 2025
CMS
Databases
MySQL
since Jan 2025
Ecommerce
Cart Functionality
since Jan 2025
Font scripts
Font Awesome
since Nov 2025
Google Font API
since Jan 2025
Hosting
GoDaddy
since Jan 2025
JavaScript libraries
Slick
since Jan 2025
Miscellaneous
Open Graph
since Jan 2025
Page builders
WordPress Block Editor
since Jan 2025
Performance
Priority Hints
since Jul 2025
Programming languages
PHP
since Jan 2025
Security
Cloudflare Bot Management
since Oct 2025
HSTS
since Jan 2025
SEO
Yoast SEO
since Jan 2025
UI frameworks
Bootstrap
since Jan 2025
Audience
United States
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 1.1 MB · 76 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Font Awesome Nov 2025
- dropped Section.io Nov 2025
- dropped Varnish Nov 2025
- detected Cloudflare Oct 2025
- detected Cloudflare Bot Management Oct 2025