Companies make money from online ads in several ways. Advertisers pay for ad space on websites. Businesses use pay-per-click models to earn revenue. Each click generates income for the website owner. Companies also earn money through impressions. Advertisers pay for the number of times ads are shown. Affiliate marketing allows companies to earn commissions on sales. They promote products and receive a percentage for each sale. Subscription models provide steady income from premium ad placements. Data analytics help companies optimize ad performance. Targeted advertising increases engagement and conversion rates. Successful strategies lead to higher profits for businesses.