IIS is a flexible, secure, and manageable web server to host anything on the web. IIS’s scalable and open architecture can handle the most demanding tasks. From media streaming to web applications, IIS can get the job done. IIS runs and is bundled on Windows operating systems, offering in-depth value-added diagnostic tools. IIS offers great support for Microsoft products.
Because IIS is exclusively a Microsoft product, this greatly limits its usage. The documentation is somewhat lacking, and some options are confusing. There are some scalability and security issues Microsoft needs to address.
NGINX Plus is a free open-source web server that runs on Mac Os X, Unix, and Linux. NGINX is very fast and nimble. NGINX Plus is an asynchronous web server, which makes it capable of handling high-volume websites easily. NGINX Plus has very high performance and can handle more traffic in less time than the other leading solutions.
NGINX Plus has a limited range of deployments and customization capabilities. It is not fully supported on the Windows operating system. NGINX is still pretty new so there is less reliable documentation and support available.
This is a somewhat tough comparison.
IIS is only available on Windows operating systems. It does a great job, but has its limitations.
NGINX is free, open-source, and has super fast request processing speed and is amazingly lightweight. It works with a lot of different operating systems. (Although most features on NGINX work with Windows, there is no logical performance benefit to using it with Windows.) The security with NGINX is very good and offers overall excellent performance.
So, if you are heavily locked into a Windows ecosystem, then you really only have one choice - IIS.
If you are using any other operating system, NGINX is an excellent choice.
What do you like most about IIS?
Thanks for sharing your thoughts with the community!