When it comes to generating traffic for your website, there is nothing that can generate web traffic faster than a good pay per click campaign. Most business owners are familiar with the top 5 pay per click sites. They are Google, Yahoo!, MSN, AOL and Fox Audience Network. Most people stop there without exploring the other sites that offer good quality leads.

Here are the Top 50 ad networks that you may have never heard of in the past that can generate you more traffic. Of course, since they are used less frequently, the cost per click is lower. Thus, you should be able to increase your R.O.I.

Pay per click (PPC) is the ultimate compliment to SEO (organic rankings). Together they can work wonders for a business.

1. adbrite.com

2. bidvertiser.com

3. burstmedia.com

4. advertising.com

5. admob.com

6. valueclickmedia.com

7. tribalfusion.com

8. chitika.com

9. kontera.com

10. 247realmedia.com

11. fastclick.com

12. clicksor.com

13. vibrantmedia.com

14. clickbooth.com

15. collective.com

16. marchex.com

17. buysellads.com

18. tattomedia.com

19. quattrowireless.com

20. eyeblaster.com

21. azoogleads.com

22. 7search.com

23. yume.com

24. casalemedia.com

25. specificmedia.com

26. zestadz.com

27. undertone.com

28. contextweb.com

29. adknowledge.com

30. adify.com

31. spotxchange.com

32. adready.com

33. cpinteractive.com

34. sportgenic.com

35. traveladnetwork.com

36. mobclix.com

37. centro.net

38. greystripe.com

39. audiencescience.com

40. tremormedia.com

41. brightroll.com

42. targetspot.com

43. millenialmedia.com

44. trafficmarketplace.com

45. bluestreak.com

46. adcomion.com

47. pulse360.com

48. encirclemedia.com

49. jumptap.com

50. premiumnetwork.com