HAProxy vs Nginx
A detailed comparison to help you choose between HAProxy and Nginx.
HAProxy The reliable open source load balancer | Nginx Open source web server and load balancer | |
|---|---|---|
| Overview | ||
| Rating | 3.6 (327 reviews) | 3.9 (102 reviews)✓ |
| Pricing model | free | free |
| Starting price | Free | Free |
| Best for | High-traffic applications needing the most reliable open source load balancer for TCP/HTTP traffic | Every developer running web applications who wants the industry-standard load balancer and reverse proxy |
| Tags | ||
| Tags | free tieropen sourceself hostable | free tieropen sourceself hostable |
| Visit HAProxy → | Visit Nginx → | |
HAProxy
Pros
- + Handles 100,000+ concurrent connections
- + Very reliable — used by Reddit and AWS
- + Free and open source
Cons
- - No built-in GUI — configuration is file-based
- - Less feature-rich than enterprise solutions for advanced routing
Nginx
Pros
- + 33% of all websites use it — most battle-tested
- + Handles 10,000+ concurrent connections easily
- + Reverse proxy, LB, and web server in one
Cons
- - Configuration can be complex for beginners
- - Nginx Plus (enterprise) required for some features
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