A call-to-action (CTA) is the button within a digital marketing campaign (landing pages, emails…) the user needs to click in order to take the action marketers want them to take. For example: buy a product, subscribe to your email newsletter, register to a webinar, download a premium resource, etc.

When you create an email marketing campaign, the CTA button is one of the most important components because it is a crucial factor in increasing your email conversion rate. This is why subscribers need to be able to see it right away and easily click on it.
Here are the best practices that you have to keep in mind in order to efficiently increase the click rates of your emails:
Result
Emails with a single call-to-action increased clicks 371% and sales 1617%.