Earn money online - PPC Advertising Networks

The most popular method of earning money through PPC advertising network is Google AdSense. There are several others but Google is the most popular in this segment. The method is simple; you just need to sign up with the network and register your site. You will get some code snippets that you have to paste to your site. Once you do that, the network will give some image or text as their ads on your site. Sooner one clicks on the ad you earn some amount of money, the amount may vary from ad to ad.
It is obvious that your earning will depend upon the visitors on your page and the number of them clicks into the ads. This is called click-through rate. The other factor that matters your earning is cost per click. It is how much you are paid per click for a particular ad. Generally the ads blended with content or placed abode the fold are more fetching if they are from banks, financial or mortgage products. Whereas; ads of technical products are less remunerative. The former may earn few dollars per click but later may yield few cents.
Next the source of traffic is another important factor to your earning. When the traffic comes from search engine they are called organic traffic. They are better paying, since they come in search of the products and they present more CTR rate. Stray traffic or social media traffic usually offer very low CTR, because mostly they are tech savvy and ignore ads.
The most popular CPC advertising networks are:-
Google Adsense
Yahoo! Publisher Network (YPN)
Chitika
BidVertiser
Clicksor