Affiliate Marketing in Digital Marketing

What is Affiliate Marketing?

Affiliate marketing is a performance-based marketing model where a person, publisher, influencer, website, or company promotes another company's product or service and earns a commission when the promotion generates a desired action.

The action could be:

• Purchase
• Lead / Signup
• App install
• Subscription
• Click — in some affiliate programs

Simple example

Imagine an electronics website has an affiliate program.

A tech blogger writes: “Best smartphones under $500”

They include a special affiliate link to a retailer.

Reader → Clicks affiliate link → Buys smartphone → Retailer records sale → Blogger receives commission

The basic affiliate marketing model

• Merchant / Brand - Provides product + affiliate program
• Affiliate / Publisher - Promotes the product using a unique tracking link
• Customer - Clicks the link and takes an action
• Tracking Platform - Attributes the conversion to the affiliate
• Affiliate - Receives commission

Key participants

1. Merchant

The company selling the product or service.

2. Affiliate

The person or organization promoting it.

3. Customer

The person who clicks and potentially purchases.

4. Affiliate Network / Platform

May handle tracking, attribution, commissions and payments.

How affiliates generate traffic

• SEO websites and blogs
• YouTube
• Social media
• Email marketing
• Influencer content
• Product comparison sites
• Review websites
• Paid advertising, where permitted by the program

Common affiliate metrics

Clicks → Conversion Rate → Sales/Leads → Commission → Revenue

Important metrics include:

• CTR — Click-through rate
• Conversion Rate
• EPC — Earnings per click
• CPA — Cost per acquisition
• Commission rate
• Revenue
• ROAS/ROI, where applicable

Common Payout Models:

• Pay-Per-Sale (PPS): The most common model. You earn a fixed amount or a percentage of the sale price when a referral makes a purchase.
• Pay-Per-Lead (PPL): Earning a payout when a referral completes a specific lead-generation action (e.g., signing up for a trial, filling out a form, or downloading an eBook
• Pay-Per-Click (PPC): Paid based on the volume of web traffic directed to the merchant’s site, regardless of whether a purchase occurs.
• Pay-Per-Install (PPI): Common for software and mobile applications, where you earn a commission every time a user installs an app via your link

Affiliate marketing vs. traditional advertising

The key difference is the payment model.

Traditional advertising may involve paying for impressions, clicks or campaign exposure.

Affiliate marketing commonly pays the affiliate when a tracked conversion or other defined action occurs.

For example:

Traditional: Pay $1,000 to run an advertising campaign.

Affiliate: Pay 10% commission when an affiliate generates a qualifying sale.

So, in simple terms:

Affiliate marketing = Partner with people or publishers who promote your products, track the resulting actions, and pay them for the qualified results they generate.