Affiliate marketing

The Short Answer

Affiliate marketing is a performance-based marketing strategy where businesses reward affiliates for driving sales or leads through their promotional efforts, typically using unique tracking links.

Last reviewed: 20 October 2026

How Affiliate Marketing Works

Affiliate marketing is a widely adopted digital marketing strategy where a business pays commissions to external individuals or other businesses, known as affiliates, for generating sales, leads, or traffic. This performance-based model allows merchants to expand their reach by leveraging the audience and influence of affiliates, who promote products or services through various channels like blogs, social media, email lists, or comparison websites. The core mechanism involves unique affiliate links that track every click and conversion attributed to a specific affiliate, ensuring accurate commission payouts.

The process typically involves four key parties: the merchant (the product creator or seller), the affiliate (the publisher or advertiser), the consumer (the end-buyer), and often an affiliate network (a platform that connects merchants with affiliates and handles tracking and payments). When a consumer clicks an affiliate's unique link and completes a desired action, such as making a purchase, the affiliate earns a pre-agreed commission. This model is attractive to merchants because they only pay for results, making it a cost-effective way to acquire new customers, while affiliates can monetize their content and audience without needing to create their own products.

Key Elements of Affiliate Marketing

Merchant: The company or individual that creates and sells the product or service being promoted.
Affiliate: An individual or entity that promotes the merchant's products or services in exchange for a commission.
Consumer: The end-user who ultimately purchases the product or service through the affiliate's referral.
Affiliate Network: A platform that acts as an intermediary, connecting merchants with affiliates and providing tools for tracking, reporting, and payment processing.
Affiliate Link: A unique URL assigned to each affiliate to track the traffic and conversions they generate.
Commission: The payment structure, typically a percentage of the sale or a fixed amount per lead, that the merchant pays to the affiliate for successful referrals.

Related Terms

CPA (Cost Per Action): A pricing model where affiliates are paid for a specific action, such as a sale, lead, or click.
EPC (Earnings Per Click): The average earnings an affiliate receives for every click on their affiliate links.
Conversion Rate: The percentage of clicks that result in a desired action, like a sale or lead.
Link Building: The process of acquiring hyperlinks from other websites to your own, often a component of SEO.
Performance marketing: A broad term for online marketing and advertising programs in which advertisers pay marketing companies or publishers when specific actions are completed.