Lighttpd is a secure, fast, compliant, and very flexible Web server
that has been optimized for high-performance environments. It has a
very low memory footprint compared to other Web servers and takes care
of CPU load. Its advanced feature set (FastCGI, CGI, Auth,
Output-Compression, URL-Rewriting, and more) makes lighttpd the perfect
Web server software for every server that is suffering load problems.