HAProxy Reviews & Product Details

HAProxy is a fast reliable web load balancer tool. Review collected by and hosted on G2.com.

HAProxy is a high-performance, open-source load balancer and proxy server widely used to distribute web traffic efficiently. It improves reliability, scalability, and availability of applications by routing requests across multiple servers, handling high loads with low latency, and providing advanced features like SSL termination, health checks, and session persistence. Review collected by and hosted on G2.com.

My favorite thing about HAProxy is its blistering performance combined with surgical precision. It consistently delivers sub-millisecond latency even under millions of concurrent connections, thanks to its event-driven, single-process architecture that squeezes every cycle out of modern CPUs. Review collected by and hosted on G2.com.

HAProxy’s config syntax is cryptic and unforgiving—one misplaced space breaks everything. No native HTTP/3 support yet, weak built-in metrics (need exporters), and dynamic config reloads still risk brief connection drops. Steep learning curve for advanced features. Review collected by and hosted on G2.com.

I love the ease of installation and configuration of HAProxy, which is crucial for our company. This facilitates the developer rotation process and ensures that onboarding new engineers is simple and efficient. Thanks to its simplicity and efficiency, we can expose applications quickly and without issues, which is vital to keeping our infrastructure agile and adaptable. Additionally, HAProxy has helped us solve speed and compliance issues in our infrastructures, proving to be a robust and powerful solution for our needs. Review collected by and hosted on G2.com.

I would like to have a little more support. Review collected by and hosted on G2.com.

I really like HAProxy for its speed, which is a significant asset for balancing the requests efficiently. This speed makes the process of managing traffic very swift and smooth, ensuring that my operations are not held back by delays. Additionally, HAProxy is incredibly easy to configure, which is valuable because it simplifies the setup and management process, saving me a lot of time and effort. The ease of configuration means that even complex setups and configurations are straightforward, allowing me to focus more on other critical aspects of my projects. Overall, the combination of impressive speed and user-friendly configuration makes HAProxy an excellent choice for handling reverse proxy tasks. Review collected by and hosted on G2.com.

Nothing Review collected by and hosted on G2.com.

I really like the flexibility of HAProxy's configuration, which gives me the ability to tailor it precisely to my needs. This adaptability is crucial for handling diverse traffic requirements and optimizing performance. I also appreciate HAProxy's excellent performance and reliability, as it effectively handles my load balancing needs without any hitches, ensuring smooth and uninterrupted service availability. The precise routing rules are particularly beneficial, allowing for direct and efficient traffic management, which enhances the overall system efficiency. Additionally, the initial setup of HAProxy was easy, which made the transition into using this tool seamless and hassle-free. I also value its integration capabilities with Kubernetes, which allows for a unified and coherent workflow, boosting productivity and operational harmony. Review collected by and hosted on G2.com.

Nothing Review collected by and hosted on G2.com.

HAProxy is worth recommending because it is a fast, reliable load balancer and reverse proxy with excellent performance, flexible routing, health checks, and strong support for high-availability setups. It is also widely used in production, well documented, and gives you fine-grained control over traffic, SSL/TLS termination, and observability. Review collected by and hosted on G2.com.

Nothing much to add—so far, everything has worked as expected. Review collected by and hosted on G2.com.

HAProxy excels by seamlessly merging legendary high-throughput performance and QUIC efficiency with the intelligent real-time traffic control of stick tables, robust integrated security through its WAF and DDoS protection, and granular observability driven by its deterministic configuration. Review collected by and hosted on G2.com.

steep learning curve driven by a complex, verbose configuration syntax that can feel intimidatingly rigid Review collected by and hosted on G2.com.

HAProxy is engineered for speed and low resource usage. It can push millions of requests per second on modest hardware while staying extremely lightweight (often ~50 MB RAM) Review collected by and hosted on G2.com.

The config language is extremely powerful but notoriously dense, cryptic, and unforgiving. Review collected by and hosted on G2.com.

I appreciate HAProxy for its reliable load balancing capabilities, which I've extensively utilized for over 12 years in production and numerous cloud environments. Its nature as a free, open-source solution adds to its appeal, particularly because it maintains low latency in complex environments. I find it incredibly easy to configure, resulting in a straightforward setup process, and am impressed by its robust capabilities that ensure high performance without frequent errors. This makes HAProxy highly dependable for balancing applications effectively. Personally, I've used it alongside tools like Keepalived, and although I don't use it exclusively, it remains a top choice for its seamless operational functionality. Review collected by and hosted on G2.com.

I can’t think of anything Review collected by and hosted on G2.com.

I had a satisfying interaction with HA Proxy. The best part was the solid setup, and it felt like a strong option for security. I also appreciated being able to talk with them in detail and get my questions addressed. Review collected by and hosted on G2.com.

Nope nothing about this HA Proxy. Learning new things with them Review collected by and hosted on G2.com.