The CPM pricing model was first introduced in 1995 and significant developments in internet advertising started to arise in a short span of time. This ad pricing model that is quite scalable meant that both advertisers and publishers could profit and measure their profits in the world of digital advertising.
Thanks to CPM model which is the abbreviation of Cost Per Mille, advertisers pay publishers when online advertising contents are viewed 1000 times. It enables advertisers to ensure that the target audience comes into contact with the advertisement. The fact that how many times the target audience who visits the platform of the online publisher views banners or content-based ads is the foundation of the CPM model. It means that advertisers buy a CPM ad for each view that is performed by a web visitor.
Therefore, 30.000 views for a banner ad are expected when a 30.000 CPM-based ad is purchased. However, it is worth reminding that the 30.000 ad-views are not performed by 30.000 unique visitors. CPM advertising, especially preferred frequently in affiliate marketing, is a pretty effective model depending on the purpose of an ad. Here are the other important details about the CPM advertising…
Digital advertising is an important marketing strategy for companies to announce their products and services to their target audiences by using online platforms. Including display ads, mobile ads and video ads, digital advertisement methods are effective in many platforms like gaming and mobile and play a huge role in reaching masses.
Ads.txt, a text-based file, was brought into the programmatic advertising ecosystem by IAB Tech Laboratory in May 2017 to prevent fraudulent applications and unauthorized inventory sales. For this purpose, the transparency deficiencies among ad buyer, seller, and programmatic inventory provider were aimed to be eliminated. 
At the time when ad spaces were sold in traditional ways and the programmatic technology was not yet widespread, impression sales and purchases were carried out one by one. For this reason, important resources, such as time and money were used quite inefficiently compared to the programmatic. However, SSPs that have the programmatic technology in which all the process takes place automatically in split seconds, make the lives of the publishers who prefer to use them considerably easier. 
