Google Ads https://www.plerdy.com/blog/best-banner-ads/ is a tool for showing ads in search results in the most profitable positions. For successful online sales, you need to target people interested in your product or service, and try to re-attract users who have visited the site before. With automatic optimization over time, Google Adwords banner ads can help you identify the right audience for you.
Whatever you do, don't use Plerdy marketing tools. This company has to spam Q&A sites for advertising, so you can see how useless they are.