what is cost per click cpc 
cost per click cpc is an online advertising revenue model that websites use to bill advertisers based on the number of times visitors click on a display ad attached to their sites the primary alternative is the cost per mille cpm model which charges 1 000 ad impressions or views of the display ad regardless of whether or not a viewer clicks on the ad the cost per click model is also known as pay per click ppc understanding cost per click cpc advertisers commonly use cost per click with a set daily budget for a campaign when the advertiser s budget is reached the ad is automatically removed from the website s rotation for the remainder of the billing period for example a website with a cost per click rate of 10 would bill an advertiser 100 for 1 000 click throughs most publishers use a third party to match them with advertisers the largest such entity is google ads which uses a platform called google adsense 1a click costs no more than you re willing to pay through a bidding system for example you could bid a maximum of 1 per click on google ads the system runs through algorithms that evaluate your ads and charges you no more than your bid however there are some caveats the google ads system applies discounts to advertisers with higher ad quality scores this score is determined by the relevance of the ad and the advertiser s content to the search terms used you ll also be dinged in the position of your ad the lower you bid again adjusting for the other factors evaluated by the platform 2