Top 5 Online Advertising Platforms:

Google Ads:

Largest and widely used platform. Displays ads on Google search results pages and across its advertising network, including websites and apps.

Facebook Ads:

Massive user base with detailed targeting options. Ads appear in users' News Feeds, on Instagram, and other Facebook-owned properties.

Amazon Advertising:

Dominant for e-commerce businesses. Allows sellers to promote products within Amazon's marketplace and its advertising network.

Microsoft Advertising:

Similar to Google Ads. Displays ads on Bing search engine, Yahoo, and AOL.

LinkedIn Ads:

Professional networking platform. Targets professionals with sponsored content, InMail, and display ads.