Facebook and Instagram ads primarily integrate with websites through the Facebook Pixel, a small piece of JavaScript code installed on the site. This pixel allows advertisers to track user actions such as page views, additions to cart, and purchases, sending this valuable data back to Meta's platforms. This data is then crucial for creating highly targeted ad campaigns, enabling remarketing to past website visitors and building lookalike audiences. Consequently, businesses can effectively optimize their ad spend by focusing on users most likely to convert and accurately measure the return on investment for their campaigns. Furthermore, the newer Conversions API offers a server-side integration, enhancing data accuracy and reliability by sending web events directly from the advertiser's server to Meta. More details: https://infoguide.com.ua