Internet marketing, also referred to as online marketing, Internet advertising, eMarketing (or e-Marketing), is the marketing of products or services over the Internet. When applied to the subset of website-based advertisement placements, Internet marketing is commonly referred to as Web advertising (Webvertising) and/or Web marketing. The Internet has brought many unique benefits to marketing, one of which being lower costs in distributing information and media to a global audience. The interactive nature of Internet marketing, both in terms of providing instant response and eliciting response, is a unique quality of the medium.

Internet marketing ties together creative and technical aspects of the Internet, including design, development, advertising, and sales. Internet marketing methods and strategies encompass a wide range of services:

* affiliate marketing
* contextual advertising
* customer relationship management marketing
* display advertising
* e-mail marketing
* interactive advertising
* Internet news releases
* newsletter marketing
* online market research
* online reputation management
* search engine marketing
* social media marketing
* blog marketing
* software-based advertising

Internet marketing is the process of promoting an organization using online media, typically with the goals of increasing sales and boosting profits. Internet marketing does not simply mean building or promoting a website, nor does it mean placing a banner ad on another website. Effective Internet marketing requires a comprehensive strategy that synergizes a given company's business model and sales goals with its website function and appearance, focusing on its target market through proper choice of advertising type, media, and design.