Almost all Internet users periodically meet on different sites and services advertising containing words: google contextual advertising, in different combinations.

Bloggers with experience and web master are well aware of these terms and the benefits that contextual advertising brings.
The uniqueness of contextual advertising is that it is the only type of advertising that is equally well perceived, both by advertisers and web masters, and by ordinary Internet users.

Google contextual advertising - what is the use of it:
The essence of contextual advertising is reflected in thetitle. Context means the essence or meaning. On the principle of recognizing the essence or meaning of a search query made by a user in a browser, the google robot determines the user's interest.
The user's interest in the robot is not determined forstatistics. Based on the analysis and evaluation of the request, the robot selects the most suitable Internet resources (from among the advertised ones) that will be of interest to the user.
As a result, the robot will add the selected Internet resources, additionally, to the main results of the search on demand, but next to it will be marked with color.

Google contextual advertising that is presenton many sites, works on the same principle. The difference is that the robot analyzes the content of the site and places ads on it, which complements the site, in meaning.
Such advertising is convenient for the user, because he can immediately go to another resource via an advertising link, bypassing the search engine and the need for a new request.
The amenities that the user receives from contextual advertising, someone pays.

The earnings on advertising google adsense is based on the system of settlements between the web master and the advertiser in which google serves as an intermediary.
The advertiser places his short ad in the AdWords service for a fee. Webmaster offers google adsense service his website or other resource for advertising.

When a user makes a transition through the advertising link google adsense, the latter removes a certain amount of money from the advertiser and enlists it in favor of the web master, through the google adsense service.

If the user did not make the transition toadvertising link, the advertiser does not lose anything, he pays AdWords only the perfect user action. Accordingly, in order for the web master's earnings to be felt, his resource should be well attended by users.

All processes work in automatic mode. An advertiser can track the daily statistics of their advertising campaign in AdWords. The webmaster can track daily statistics in the google adsense service.

In order to place google advertising, the webmaster must register with the google adsense service and offer him his web resource for placing contextual advertising on it.

The registration process is quite simple, but withrules of use should be consulted in advance. Web master should confirm his rights to google adsense on the service offered to the service. For this purpose, the web master will be offered a detailed instruction. After registration of the resource, it must be moderated.

When the site of the web master is accepted for placementadvertising, web master gets access to advertising materials. The google adsense service gives the web master a wide selection of ads. You can choose the type of ad unit, in a wide range, from line advertising to a variety of banners. Also, there is a possibility to choose the colors of the ad units for the site design. There are many additional settings that allow the web master to optimize contextual advertising as efficiently as possible for their resource.

One of the reasons for the popularity of the service is thatgoogle contextual advertising allows you to use the service google adsense web masters with almost new and poorly untwisted sites. It is enough to receive several visitors a day so that the site can be moderated.
For comparison, in order to become a member of a similar service from Yandex, you must have a website with attendance of at least 300 visitors a day.