I already have a web site but I want to improve it. Can you help?

The servers I work on are Unix and I enjoy spending my time learning all that operating system has to offer. I try not to design sites to be hosted on other servers, some web sites are done with programs that are not totally web or search engine friendly, or they are so poorly set up that I would have to just about start from scratch to make improvements. How files and directories are located on the server is important. Therefore, rather than spending time trying to improve, only to find that you are still unhappy with how your site works, I have found that in most situations starting over is more cost effective.
So, yes, I can help, but understand that improving your site may also mean improving the way it is being hosted.