Check the click-through rates for each version, keep only the best ad and then write a new one. One of the best ways to get your ad showing above the rest is to increase the click-through ratio of your ads. Be sure to only add keyword phrases that will result in targeted visitors who might purchase the product you are promoting. Remember, most advertising networks love ads with good click-through ratios. . Almost every pay-per-click advertising campaign can become more profitable if you try the following tips. Repeat this process again and again, improving your click-through ratio each time. The simplest way I know to improve your click-through ratio is to split test all of your ads. Generate larger keyword lists using software such as Good Keywords which is free, or Keyword Elite if you can afford it. Don't go too broad with your keyword selection.If you are running affiliate marketing campaigns at Pay-Per-Click search engines then you can benefit from these pay-per-click advertising tips for improving your campaigns. If you have a product that is converting profitably with one pay per click advertising network, try it at the other major advertising networks, including Google AdWords, MSN Adcenter, and Yahoo Sponsored Search. Add more keywords. Always try at least two versions of each ad. You are probably not the only affiliate who is bidding to show an ad for that affiliate