1:If you're launching a new site, or new content, write an introduction and submit it to share sites like Digg, Reddit and Now Public.
Create a Yahoo Group in the niche your site sits.

2:Create a MySpace account and use it to publisise your site.

3:Bookmark your site on Del.icio.us and if you're really keen, add a Del.icio.us button to your homepage.

4:Create a Technorati account and "claim" your blog.

5:Submit your site to free, search engine friendly directories. An excellent list can be found here.

6:Conduct a survey. This is an excellent way to generate offline publicity.

7:Place a free ad for your company on Gumtree.

8:Syndicate your site's content by using an RSS feeds.

9:Submit your RSS feeds to agregator sites like FeedBurner, Squidoo, Feedboy, Jordomedia, FeedBomb, FeedCat, rssmad, feeddirectory and feedfury. Stolen from DigitalPoint

10:Write an article related to your site and submit it to article sites.

11:Sign up to StumbleUpon and get your friends to Stumble your site.

12:Create a custom 404 page so that even if someone encounters an error on your site, they are re-directed somewhere nice.

13:Set up a 301 redirect to take traffic from your non-www address to your www address. See here for more info.

14:Add a link to your site in the signature of any forums you post on.

15:Tell your friends about your site. It's free advertising init.

16:Speel cheek ur stie. Nothing appears more amateur than a site with typos or spelling mistakes.

17:Test your site and make sure it appears correctly in all major browsers.

18:Buy enough hosting. No one likes a slow site.

19:Don't worry about PageRank - worrying about PageRank is as effective as trying to solve an algebra equation by chewing bubblegum.*

20:Offer something for free. Free is good. People tell their friends about free stuff.

21:Tell your neighbours, you never know what contacts they might have.

22:Offer your users as many ways as possible to contact you. MSN, Skype, Yahoo etc all complement email, phone and a real address.

23:Advertise your site on Craigslist. It's free, relevant and localised.

24:Do NOT use frames.

25:Submit your site to DMOZ.org. It may take time, but it's worth it.

26:Create an XML sitemap of your site and submit it to Google.

27:Get a custom t-shirt made with your website url on it, and wear it often.

28:Ask a large breasted lady to wear one too.

29:Sign up with an affiliate programme to sell your product, or if you're a publish, make some cash!

30:On your Contact Page ask people if they mind receiving your newsletter.

Send out a newsletter!

31:Go to a free seminar for Website owners. You might learn something.

32:Find quality and relevant blogs and leave a comment (with a link back to your site of course).

33:Don't pay people to submit your site to search engines. It's a waste of money.

34:YouTube and Google Video are excellent portals on which to launch a viral campaign.

35:Giving away an eBook is an excellent way to generate word-of-mouth about your site.

36:Sponsor a Wordpress theme or a phpListDirectory template.

37:If you sell products that are advertised on television by the manufacturer, add "As Seen on TV" to your site!

38:Avoid proprietry technologies like Java and Active X.

39:Put downloadable content on your site, but make sure it's not manufacturer specific - so mp3 rather than wma.

40:Learn about CSS. It's the new HTML.

41:Contribute to related subject areas on Wikipedia.
Ask bloggers and other Web site owners to review your site and/or products.

42:Have user friendly page names - most tools comes with some way to avoid http://www.yourdomain.com/pgInfoPage...CFE3AEDAF8DD9D

43:If you must have a Flash homepage, make sure you have a "Skip Intro" link.

44:Tell your local rag about your site. These newspapers are desparate for stories and you may well even get a pic of your ugly picture published.

45:Become a leading authority on your chosen subject.

46:Donate money to a charity and most will place a link on their site back to you.

47:Abide to W3C standards - it will help your site in the long term.