since September 11th, Baidu to improve the competitive ranking business: the introduction of the comprehensive ranking index". Baidu sources said, in addition to the price of the customer site in addition to the price factor, but also look at the quality index of its purchase keywords. According to reports, the keyword quality index will be based on the frequency of this keyword was hit in the past, with the main business of the business, as well as the degree of recognition of the Internet users to calculate. Quality index and price multiplied, the last comprehensive ranking index". At the same time, the level of Web site is also considered as a factor. "A large site, even if the price is slightly lower, may also be smaller than a small site ranking."
Analysys International on Baidu tracking analysis pointed out that under the constantly questioned the customer on Baidu PPC business valuation model background, Baidu launched the "comprehensive ranking index", on the one hand to adjust pricing model, the mood to appease customers; on the other hand, hopes to adjust pricing model, to attract more customers attention.
Make a valuation model
note that, according to the provisions of "Baidu ranking index" set: the index is decided by the quality index of keywords and the purchase price of the. Among them, the key words of the quality index and the key link of the website level, user clicks related. However, the industry of keywords linked sites, click on the number of users to determine how does not set up a unified evaluation system, Baidu launched the "comprehensive ranking index" is still possible by the customer questioned. Therefore, how to set up the above indicators evaluation standard system needs to be widely recognized by customers.