Avoid repeating the same key words in Meta Keywords. Some search engines will count how many times a key word appears in the Meta Keyword description and decrease your ranking.
The page title is an important part of the site to the reader and search engines. Make sure the page title is relevant, meaningful, and unique. Keywords should be contained in the title.
Emphasized text ranks higher than plain text. Headings should contain keywords.
Search engines have difficulty discerning Flash and Javascript links.