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

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.

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/Disable Directory Browsing (IIS) Turn directory browsing on or off. Can prove useful during development.

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

Keep Rewrite Rules In Separate File (IIS) Keep your rewrite rules outside of web.config with this simple technique.

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

Enable GZip/DEFLATE Compression (Apache) Enable compressed responses using GZip or Deflate to reduce bandwidth and increase performance.

Whitelist/Blacklist IP Addresses (IIS) Only allows requests from a specified set of IPs. Useful when a site is under development or maintenance.