One of the most efficient ways to expand their reach, attract new customers, and diversify their revenue streams is to advertise online. Online advertising may help businesses of all sizes because it allows them to send relevant, personalised, and timely messages to their customers at a fraction of the cost of traditional advertising. It's also a lot easier to track and quantify online marketing. People may connect with their friends and family all across the world through the internet, particularly social media platforms like Facebook. It can also assist you in reaching out to your audience via a variety of channels. Long after they've made a purchase, digital marketing automation allows you to stay in touch with these valuable customers. The present research attempts to study the customer perception towards online advertising.