Redirect Old Domain to New Domain (NGINX) Redirect all requests for an old domain to a new domain.

Canonicalize Host – Add/Remove www (NGINX) Enforce canonical host names by either prepending www or explicitly omitting it from the domain name.

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

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'.

Redirect Default Document to Directory (NGINX) Redirect all requests to a default document to the parent directory URL. Important SEO tactic to avoid duplicate content penalties.

Dynamic robots.txt (Apache) Rewrite requests for robots.txt to a dynamic file which generates robot directives.

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

Rewrite URL as Query String Parameters (Apache) Convert URL structure to query string parameters. Use to create SEO friendly URLs.

Redirect Default Document to Directory (Apache) Redirect all requests to default documents to their parent directory URL. Important SEO tactic to avoid duplicate content penalties.

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