Web Design in a Nutshell, 3rd Edition

Titles should contain only ASCII characters (letters, numbers, and basic punctuation). Special characters (such as &) should be referred to by their character entities within the title, for example:

    <title>The Adventures of Peto &amp; Fleck</title>

The title is what is displayed in a user’s bookmarks or favorites list. Descriptive titles are also a key tool for improving accessibility, as they are the first thing a person hears when using a screen reader. Search engines rely heavily on document titles as well. For these reasons, it’s important to provide thoughtful and descriptive titles for all your documents and avoid vague titles, such as “Welcome” or “My Page.” You may also want to keep the length of your titles in check so they are able to display in the browser’s title area.