The best websites are changing all the time. The owners pay attention to them and add new content as well as keeping the existing content up-to-date. Plus, eventually you will probably want to do a redesign, to keep the design up-to-date as well.
The important parts of website maintenance are:
• Link checking :
Fixing broken links is tedious, but it needs to be done. The easiest way is with a link checker.
• Content maintenance
You should be adding updates to your website all the time. This is why blogs are so important, as they make it easy to add new content. You should also be re-reading existing content periodically, and updating old pieces.
While it’s much better to do iterative design and just keep improving your site with little changes, redesigns are an important part of maintenance. If you decide to do a major redesign, you should start over with the steps in this process to make sure your redesign is as good as your initial design.