Maintain your web site every day if possible. Update content, start new competitions or surverys. Keep it fresh!
Web sites are made using different technologies which all come in many versions. For example, HTML, CSS, Javascript, VB Script, PHP, CGI, SAP... Again, there is a long list. The basics of the internet are HTML and CSS. Using these two technologies alone, you can create powerful web sites that are time and cost effective in both development and maintenance cycles. You can build upon the functionality of these by integrating other technologies if necessary.
Chances are your site uses HTML alone. Ask your developer if CSS is used on your site. If you want to check yourself, open your web site. in your browser and click View > Source or Page Source. Sometimes you can press Ctrl + U too. Now you should be able to see the code of your web site. Use the find function to locate: <style>. If it is missing, you aren't using CSS. You should be! It will make maintenance so much easier.