Nginx vs HAProxy
A detailed comparison to help you choose between Nginx and HAProxy.
Quick Verdict
3.9/5
Nginx
102 reviews
3.6/5
HAProxy
327 reviews
Nginx is rated higher (3.9 vs 3.6). Nginx is the world's most used web server and load balancer. Powers 33% of all websites. Reverse proxy, HTTP load balancing, TCP/UDP load balancing, and web server in one binary. Free and open source. HAProxy is a free, open source, high-performance TCP/HTTP load balancer. Handles 100,000+ concurrent connections. Used by Reddit, Tumblr, and AWS. Known for reliability over many years.
Nginx Open source web server and load balancer | HAProxy The reliable open source load balancer | |
|---|---|---|
| Overview | ||
| Rating | 3.9 (102 reviews)✓ | 3.6 (327 reviews) |
| Pricing model | free | free |
| Starting price | Free | Free |
| Best for | Every developer running web applications who wants the industry-standard load balancer and reverse proxy | High-traffic applications needing the most reliable open source load balancer for TCP/HTTP traffic |
| Tags | ||
| Tags | free tieropen sourceself hostable | free tieropen sourceself hostable |
| Visit Nginx → | Visit HAProxy → | |
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
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
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