Keeping up with your keyword density is very important because it is the numbers of times you see a certain word appear on a web page. Only use your keywords though where they are needed, because you don’t want to overdo it, or it will be denied and be considered spam.
Pay per click marketing can be simply understood as an online tool that brings traffic to your site. If you have an online business or you are a business owner that wants to promote your product online, traffic means potential customers coming to your site. If you are someone who has a website that may not be selling anything, traffic means getting good moneymaking opportunities online.