【正文】 ht to be listed under a series of target rich words that direct relevant traffic to their website, and pay only when someone clicks on their listing which links directly to their website. CPC differs from CPV in that each click is paid for regardless of whether the user makes it to the target site. CPA (Cost Per Action) or (Cost Per Acquisition) advertising is performance based and is mon in the affiliate marketing sector of the business. In this payment scheme, the publisher takes all the risk of running the ad, and the advertiser pays only for the amount of users who plete a transaction, such as a purchase or signup. This is the best type of rate to pay for banner advertisements and the worst type of rate to charge. Similarly, CPL (Cost Per Lead) advertising is identical to CPA advertising and is based on the user pleting a form, registering for a newsletter or some other action that the merchant feels will lead to a sale. Also mon, CPO (Cost Per Order) advertising is based on each time an order is transacted. Cost per conversion Describes the cost of acquiring a customer, typically calculated by dividing the total cost of an ad campaign by the number of conversions. The definition of Conversion varies depending on the situation: it is sometimes considered to be a lead, a sale, or a purchase. CPE (Cost Per Engagement) is a form of Cost Per Action pricing first introduced in March 2021. Differing from costperimpression or costperclick models, a CPE model means advertising impressions are free and advertisers pay only when a user engages with their specific ad unit. Engagement is defined as a user interacting with an ad in any number of ways. Though, as seen above, the large majority of online advertising has a cost that is brought about by usage or interaction of an ad, there are a few other methods of advertising online that only require a one time payment. The Million Dollar Homepage is a very successful example of this. Visitors were able to pay $1 per pixel of advertising space and their advert would remain on the homepage for as long as the website exists with no extra costs. Floating ad: An ad which moves across the user39。s website. Behavioral targeting In addition to contextual targeting, online advertising can be targeted based on a user39。s online advertising and Development sumti Sarkar Department of Information Management, Lancaster University Key words： online advertising, Inter, Development Abstract With the Inter economy, online advertising came into being. The late 20th century, the Inter swept the world, more and more people are beginning to realize works with the media features, so the fourth media the word began to frequently appear in daily life. Although online advertising is still a small market share, but as the fourth medium of the Inter development Querang traditional media dare not ignore. Because its growth rate far exceeds other types of media. This article about online advertising in China39。s interest and behavior in order to sell their goods, services or ideas. It is the new century, new life, new social and economic wizard, and with it anew meaning to bee anew focus. 1 BACKGROUND OF THE DEVELOPMENT OF ONLIN ADVERTISING Is the world39。s Inter Assistant, Google Bar and msn and other technologies for the interception by the large number of Inter users use Microsoft windows XP sp2operating system release, the provision of adblocking feat of this move is the biggest role and influence that it sounded user needs a sense of global online advertising ban and bad forms of interception war. This is mainly due to the acceptance of Inter users for online advertising, there are many psychological barriers, the main manifestations： （ 1） the low credibility of online advertising Combined with the previous survey, despite the Inter is central to access to information, but people trust the information on the Inter is far less than on trust in television and books. Correspondingly, the trust for online advertising is not high. CNN Workers C survey, only %of Inter users expressed satisfaction with online ads. With %of Inter users that can not guarantee the authenticity of online advertising. Given the openness of the Inter, anyone can easily put in the online advertising work. Together through the personal Web sites and pages the low cost online advertising to make people run their own online advertising has bee possible, it was impossible to authenticity and quality of online advertising for the identification. Furthermore, due to regulatory delays, although the state of television advertising management with clear rules, but online advertising is still no specific governmentrelated institutions or professional management oversight means ads on the work the whole process from production to release a thorough track and monitoring. Some advertisers to seek improper interest, take the opportunity to send false and illegal advertising online, resulting in infringement, fraud consumer rights continue. This can be said online advertising on the Inter quite a mixed bag. This is our users on the Inter advertising the most dissatisfaction. （ 2） mandatory to accept the phenomenon of online advertising Inter users naturally do not like ads, especially when they have no desire to buy. The site hopes to multiple ads, get more people to accept advertising, especially advertising in the larger proportion of their in e. This is a co