W3C Tips and Tricks
The W3C's Quality Tips for Webmasters is an excellent source for overall quality of a web site. Here they are for your reference:
- HTML title: the most important element of a quality Web page
- Don't use "click here" as link text
- Use standard redirects: don't break the back button!
- Use h1 for top-level heading
- Use the
alt
attribute to describe the function of each visual - Don't forget to add a doctype
- Use <link>s in your document
- If You Pick One Color, Pick Them All
- Care With Font Size
- Use international date format
- GIF or PNG?
- Use headings to structure your document
- Choose URIs wisely
- Managing URIs
- Beyond Validation
- Use class with semantics in mind
- Unordered lists: more than just bullets