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A call to action (CTA) is a prompt on a website that tells the user to take some specified action. A call to action is typically written as a command, such as ‘Sign Up’ or ‘Buy Now’ and generally takes the form of a button or hyperlink.
The call to action is a key element on a webpage, acting as a signpost that lets the user know what to do next. Without a clear CTA, the user may not know the next steps to take to purchase a product or sign up for a newsletter and is likely to leave the site without accomplishing their task.
A call to action makes it clear which action to take next and helps remove friction in moving the user down the sales funnel. There can also be multiple calls to action on a page if there are multiple desired actions for the user to take.
For example, if a reader lands on a blog article and there is no clear call to action at the bottom of the post, it is likely that the reader will leave the site without completing any other tasks. However, if there is a CTA at the bottom of the post asking them to read more articles or to sign-up for an e-mail newsletter, that can encourage them to continue interacting with the site.
A call to action can refer to any ask or request that you make of a user on the site, so a CTA can take many forms depending on the context.
For example, on a blog the CTAs might look like:
Whereas on an ecommerce site, the CTAs may be more commercially focused:
In each case, the CTAs on the page tell the user what action to take next to continue interacting with the site and moving further down the conversion funnel.
Marketers employ a number of strategies for creating CTAs. Below is a list of some common ones:
Every audience responds differently to various calls to action. There is no guarantee that one call to action will outperform another.
The overall success of a call to action can be measured via a conversion rate formula that calculates the number of clicks divided by the number of impressions, or times the CTA was seen.
To test the effectiveness of various calls to action on your website or landing page, you can use an A/B testing platform like Optimizely. This will eliminate any guesswork and give you data-backed information that helps you optimize for the highest-converting CTAs.