CONTEXTUAL ADVERTISING
Contextual advertising is a form of advertising for ads that appear on Web pages or other media, such as content displayed in mobile browsers. The ads themselves are selected and served by automated systems based on the identity of the user and the displayed content.
HOW CONTEXTUAL ADVERTISING WORKS
A contextual advertising system scans the text of a Web site for keywords and returns advertisements to the webpage based on those keywords. Ads can appear on the website or pop-up ads. For example, if the user visits a web page related to sports and using contextual advertising Web site, the user may see advertisements for sports-related businesses such as souvenir dealers or ticket sellers. Contextual advertising is also used by search engines to display ads on their search results pages based on keywords in the ad. User context is a form of targeted advertising on the content of an ad is in direct correlation with the content of the viewing site user. For example, if you visit a website about traveling in Europe and sees an ad that seems to offer a special price on a flight to Italy, it would be contextual advertising.
SERVICE PROVIDERS
Google AdSense was the first major contextual advertising network. It works by providing webmasters with JavaScript code that, when inserted into webpages, displays relevant Google inventory of advertisers advertising.
Ad relevance calculated separately Robot Google, Mediabot seeing indexes the content of a web page. They Recent technology providers with the most sophisticated systems using independent local language model algorithm to increase matching game and emerged accuracy.
Since the advent of AdSense, Yahoo! Bing Network Contextual Ads, Microsoft adCenter, Advertising.com, ads.hsoub.com sponsored advertisements (formerly Quigo) and others are preparing to make similar offers.
IMPACT
Contextual advertising has generated a great impact on the incomes of many websites. Because the ads are more specific, and more likely the user to click on them, thus generating revenue for the site owner (and advertising server). Much of Google’s revenue comes from contextual ads served on the millions of Web sites running AdSense advertising program.
Background attracted some controversy through the use of techniques such as hyperlinks to third, where third-party software installed on a user’s computer interacts with the web browser. on a website Keywords are displayed as hyperlinks that lead to advertisers.