Contextual Advertising is a way of placing advertisements on a web page with regards to the content of that page. An automated system is required that targets ads by analyzing the context of what a user is looking at. It crawls the keywords on a page and returns the ads related to those keywords in a traditional system. Google Adsense is considered the first platform of contextual advertising.
For instance, if you visit a soccer new site, you might see ads related to stores selling footballs or other soccer-related accessories. Similarly, in the book’s section of a site, you might see ads for reading glasses. In this way, the contextual advertising system analyzes the content on the page and then delivers the ads accordingly.
This form of advertising has really helped many websites boost their ad revenue. When advertisements are precisely targeted, they are very likely to be clicked by users and generate more revenue.
How does it work?
Contextual Advertising follows a series of steps to make sure that a user sees an ad relevant to the content in view. The generic steps that have to be followed to implement Contextual Advertising are listed below:
- Selection of parameters for targeting
- Page Analysis by an Advertising System
- The appropriate ad is served
- Performance Analysis & Parameter Revision
#1 – Selection of parameters for targeting
An advertiser has to define the campaign before ads can be placed on relevant web pages.
Various parameters can be selected for setting up contextual advertising. Some commonly used are topics and keywords.
Topics are defined as the superficial categories linked with the relevant advertising campaigns such as sports, health, technology, etc. Parameters can be defined in steps from general to specific. For example, firstly, sports can be defined, and then soccer, cricket, and other types of sports can be defined under the general categories.
Keywords are used for more specific targeting inside topics. Google recommends placing both keywords and negative keywords for accurate targeting when advertisers set up campaigns.
A blend of both topics and keywords should be used for precise and accurate targeting.
#2 – Page Analysis by an Advertising System
As soon as the ad request is sent, an advertising system aligns the campaigns with the keywords defined on a web page.
The defined topics and keywords are considered before an ad is selected to be served. It works sequentially. If an ad is aligned with the topic but is not relevant to the keywords, it won’t be selected.
There are options in the Advertising System to choose between broad or specific reach. If broad is selected, ads will be selected based on topics. On the other hand, specific reach ensures that keywords are matched before an ad is selected.
#3 – The appropriate ad is served
After the Advertising System completes the analysis discussed above, an ad is served on the web page.
#4 – Performance Analysis & Parameter Revision
Finally, performance metrics are used to check if an advertising campaign has a good conversion rate. If not, the targeting parameters are revised for the upcoming campaigns to make sure that the conversion rate stays up to the defined threshold.
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