They can also show your potential audience why they should look at your page. Graphics don't attract people, they help retain people. Javascript Rollovers do not attract people, they help move people to new pages. Shockwave does not attract people, it helps entertain people. Search engines index words .
People search using words .
You get found for the words on your page. See the Example . All search engines display the title tag . It is your most important tag. Include your prime topic and use two or three of your prime keywords.