What is Conversion Rate Optimization?

What is Conversion Rate Optimization? by Growthfluence

What comes to your mind when you think of Conversion Rate Optimization? Sales? Signup? or Engagement? If you thought so you are right. It’s basically the action you want people to take on your site and improving some elements to improve your conversions based on interactions and analytics.

Specifically, it could be

  1. Signing up for blog posts
  2. Filling a call back form
  3. Creating an account with a login and password
  4. Making an online purchase
  5. Downloading an ebook
  6. Downloading your app
  7. or something else entirely.

Whatever it is you want your visitors to do, this action is what you are going to measure and what you are looking to optimize.

In the introduction, we briefly defined CRO as the method of using analytics and user feedback to improve the performance of your website.

Here’s an even simpler definition:

Conversion rate optimization is finding why visitors aren’t converting and finding and applying solutions to improve the rate of conversions. 


Conversion Rate Optimization Is…

  • A data-based approach to improving the performance of your website
  • Informed by insights—specifically, analytics and user feedback
  • Defined by your website’s unique objectives and needs (KPIs) towards to your business goals
  • Getting the best out of the traffic that flows to you
  • Focussing on the user


Conversion Rate Optimization Is Not…

  • Based on ideas that randomly pop-up that are non-data based
  • Driven by the highest paid person’s opinion
  • About getting as many users as possible, regardless of quality or engagement
  • Just about changing colors, layout, fonts and copy


Let’s get acquainted with CRO

These are concepts and ideas that will come up again and again in the forthcoming articles, so now is the time to familiarize yourself with them.


Call to Action (CTA)

The primary button, link or other user interface element that asks the user to take an action that leads to (or towards) a conversion. A “Buy Now” button on Amazon.com, a “Sign Up” button on an email registration field, a “Download Now” on an app landing page are examples of different Calls to Action.


Call to Action


Conversion Funnel

The primary pathway (or flow) of the user experience where visitors complete a conversion. On Amazon.com the funnel may be Home page > search results page > product page > checkout.


Conversion Funnel
Source: Crazy Egg


A/B or Split Testing

The testing of one version of a page or interface element against another version of the same thing. Each element is measured by its effectiveness in comparison to the other. For example, a red button measured in effectiveness to a green button. In A/B testing only one thing is tested at a time.


AB testing
Source: Hubspot


Multivariate Testing (MVT)

The testing of multiple variations of many different page elements in various combinations to determine the best performing elements and combinations. For example, a multivariate landing test may test many variations of the pictures, copy, and calls to action used on the page in many combinations to find the best performer.


Measuring CRO

Here’s an overview of the things you are going to measure in order to gauge your current rate of conversion, identify the trouble spots, and design a plan of action. You can get these numbers through Google Analytics, KISSmetrics, or another analytics service of your choosing. The numbers critical to CRO are as follows:


Let’s start with the numbers we’re looking to improve

Conversion Rates Your Total Conversions is the number of people who did whatever it is defined as converting (email newsletter, made a purchase, and so on).

To get your Conversion Rate, you divide the above total number of conversions by the number of visitors to your site.

For example, a site with 5000 visitors and 50 conversions has a conversion rate of 1%.


But how long are people spending on your site?

Which pages are they visiting while there?

This next set of numbers can help you to form some testable hypotheses.

Looking at your Bounce and Exit Rates, as well as your Engagement Metrics, is the first step in making sense of your conversion rate.

These are the metrics that matter.

Take the example above—the site with 5,000 visitors per month but only 50 conversions could either pat themselves on the back for all those unique visitors or recognize that their conversion rate could be much better than 1% and then work to optimize those numbers.

Bounce Rate

Your Bounce Rate is the percentage of people who leave after viewing a single page. A high bounce rate is not a good thing–for whatever reason, people aren’t finding what they’re looking for so they leave almost immediately.

Exit Rate

You also have a specific Exit Rate for each page; it’s the percentage of people who leave after viewing the page. Your exit rate lets you know the last page that users view before they move on. A very high exit rate on a specific page can be a red flag

Average Time on Site

An Engagement Metric, the Average Time on Site of users gives you a general idea how long people are sticking around. A high bounce rate means a low average time on site — visitors aren’t sticking around long enough to do whatever it is you want them to do.

Average Page Views

Similarly, Average Page Views is an Engagement Metric that tells you how many pages the average visitor through before leaving. More page views can mean engagement but also can mean a lack of clarity in your conversion funnel, if there is no conversion.


Google Analytics Dashboard - Visits and Bounce rate
Source: Unbounce


Getting to grasp these best practices will keep your landing pages relevant and high-quality, which will lead to a valuable boost in both CRO and Quality Score.


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