Web advertising refers to the practice of promoting products or services through the internet. This can include various formats such as banner ads, social media posts, and video commercials. Companies use web advertising to reach a larger audience, as many people spend significant time online. By targeting specific demographics, businesses can effectively connect with potential customers. One popular method of web advertising is through search engine marketing, where ads appear in search results when users look for related keywords. Additionally, platforms like Facebook and Google offer tools for businesses to create tailored ads that can engage users based on their interests and online behavior.