The way Facebook Pixel works can be explained using the example of custom audiences. When trying to advertise a specific product, a company want the ad to appear in a place that is the most effective for this purpose. When an average e-store is concerned, the highest level of efficiency can be achieved if people who visited a page of a specific product are exposed to the advert. For example, if a user browsing the website of the store checks the pages of Samsung phones only, it means that he/she is not intended to buy an iPhone. In such a way, the audience interested in particular things is determined, and the relevant ads are presented.
Facebook Pixel collects the data about the pages visited or ignored, time at which it was done, a gadget that was used, as well as goods, which were selected and purchased in an e-store. With such information at hand, advertisers can choose custom audience that will see certain ads on Facebook. Besides, there is a possibility to arrange lookalike audiences, which further assists advertising companies. Overall, Pixel is an amazingly simple but highly effective and cheap way to make sure advertising campaigns reach the target audience.
If you are a WordPress user willing to benefit from Facebook Pixel, you can have it functioning on your website in a pretty simple way. For this purpose, there exist several plug-ins, for instance, WP Facebook Pixel, and easy-to-follow documentation. In addition, Magento extensions can be applied to help you with the snippet.