Block Specific User-agents (Apache) Block specific User-agents' requests. Useful for dealing with malicious bots.

Block Known Bad Requests (NGINX) Block bad requests to file extensions not supported on the server.

Block Specific User-agents (NGINX) Disallow specific User-agents' requests. Useful for dealing with malicious bots.

Enforce Lower Case URLs (NGINX) Force URLs to lowercase, very important for SEO to avoid duplicate content penalties in search engines.

Deny Request Based On Method (Apache) Block requests when made with specific request methods.

Add Caching for Static Assets (IIS) Increase performance and reduce bandwidth use by adding caching directives that browsers will use to cache static assets client side.

Manage Static Rewrite Rules with RewriteMaps (IIS) Centrally manage any number of redirect and rewrite rules by leveraging an external RewriteMap configuration file.

Remove File Extensions From URLs (NGINX) Clean up the appearance of URLs slightly by removing file extensions. Used to tidy up URLs a bit, not to 'cloak the technology in use'.

Enable GZip Compression (IIS) Reduce file sizes and increase response performance by enabling GZip compression of text-based responses.

Add Caching for Static Assets (NGINX) Send browsers caching directives that they will use to cache static assets on the client-side.