Message in a bottle: Hook!
Only let away the fish you don't want.
If someone lands on your page.... GRAB THEM....but do you want everybody??
No you don't - define your audience then you will know how to:

HOOK
If you know your target audience you will know how to provoke him/her into: Love - Anger - Curiosity - Lust - Humour - Whatever - Just get their attention for an instant.
Then.....
RELATE
Make your message a lively echo particular to what they already know in their present or past - if no echo - then eyes will glaze over and people will hyperlink on.
Then......
IMPART
Short and to the point, start from where your target is now and take them that one step into the new.
Look at any good adverts and you'll see these techniques used over and over . . . . . on you.
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Provoke - Relate - Reveal(sell sell sell) it's not new. .
