Contextual Advertising Market is expected to reach USD 427.40 billion by 2029, with a CAGR of 13.3 % between 2023 and 2029. Contextual advertising is advertising that is shown on a website and is relevant to the page's content. Advertising is often presented by automated systems, and the content of the ads is closely tied to the content of the web page being seen by the user. Ads are chosen depending on keyword targeting. Contextual advertising, also known as in-context technology or in-text advertising, is a sort of targeted advertising that is controlled by language factors. This advertising system scans website content for keywords and then sends adverts to the webpage based on those keywords. The advertisements display as pop-ups.