Introduction to Online Advertising
Online Advertising, also known as digital advertising, is a marketing strategy where businesses use the internet to promote products, services, or brands to targeted audiences. It includes various formats such as display ads, search ads, video ads, and social media ads.
With billions of people using the internet daily, online advertising provides businesses with cost-effective, data-driven, and scalable marketing opportunities.
Why is Online Advertising Important?
✔ Global Reach – Advertise to audiences worldwide.
✔ Targeted Marketing – Show ads to specific demographics, interests, and locations.
✔ Cost-Effective – Pay only for results (PPC, CPM, CPA).
✔ Measurable & Scalable – Track performance and optimize campaigns in real-time.
✔ Multiple Ad Formats – Choose from search ads, video ads, display ads, and more.

Model | Description | Best For |
---|---|---|
PPC (Pay-Per-Click) | Advertisers pay only when someone clicks on the ad | Search & display ads |
CPM (Cost-Per-Thousand Impressions) | Pay per 1,000 ad views | Brand awareness campaigns |
CPA (Cost-Per-Acquisition) | Pay when a user completes a goal (purchase, signup) | Performance-based advertising |
CPC (Cost-Per-Conversion) | Pay when a user takes a specific action after clicking | E-commerce & lead generation |