Digital Marketing

What is Conversion Rate Optimization (CRO) Ultimate Guide: How to calculate it ?

March 9, 2023

Maximizing Conversions: A Comprehensive Guide to CRO

As businesses strive to grow and succeed in today's competitive landscape, simply driving traffic to their website is not enough. The ultimate goal is to turn that traffic into qualified leads and sales. 

But what if you could get even more value out of your existing traffic and leads? That's where conversion rate optimization (CRO) comes in. CRO focuses on optimizing the user experience of a website, with the aim of increasing the percentage of visitors who take a desired action, such as making a purchase or filling out a form. 

By improving the conversion rate, businesses can maximize the value of their existing traffic and leads, leading to sustainable long-term growth. In this article, we will explore some important aspects related to conversion rate optimization. But first, let’s look at what is a CRO.

What is a CRO?

Conversion rate refers to the percentage of website visitors who take a desired action, such as making a purchase, filling out a form, subscribing to a newsletter, or downloading a resource. It is calculated by dividing the number of conversions by the total number of website visitors and multiplying by 100 to get a percentage. 

For instance, if 1000 people visit a website and 50 of them make a purchase, the conversion rate would be 5%. Conversion rate is an important metric for businesses because it measures the effectiveness of their website in generating leads and sales, and can help identify areas for improvement. By optimizing the conversion rate, businesses can improve their return on investment (ROI) and grow their business.

After understanding what is conversion rate optimization, let’s understand what a good conversion rate exactly is. 

What is a Good Conversion Rate?

The answer to what constitutes a "good" conversion rate depends on the industry, the type of website, and the specific goals of the website. A good conversion rate for an e-commerce website may be different from a good conversion rate for a lead generation website or a blog. In general, however, a good conversion rate is one that is higher than the average for the industry or type of website.

According to a benchmark report by Wordstream, the average conversion rate for e-commerce websites is around 2.63%, while the average conversion rate for lead-generation websites is around 5.31%. However, some top-performing websites have conversion rates as high as 10% or more.

It's important to note that simply looking at conversion rate in isolation doesn't provide a complete picture of a website's effectiveness. Other factors, such as the quality of traffic and the value of each conversion, also play a role in determining the success of a website.

How to Calculate Conversion Rate?

To calculate the conversion rate of a website, follow these steps:

  1. Determine the goal of your website: The first step is to determine the desired action you want visitors to take on your website. For example, it could be making a purchase, filling out a form, subscribing to a newsletter, or downloading a resource.
  2. Set up tracking: In order to track conversions, you need to set up conversion tracking on your website. This can be done using tools such as Google Analytics or other website analytics platforms.
  3. Gather data: Once you have set up tracking, you need to gather data on the number of visitors to your website and the number of visitors who completed the desired action.
  4. Calculate the conversion rate: To calculate the conversion rate, divide the number of conversions by the total number of visitors, and then multiply by 100 to get a percentage. For example, if your website had 1000 visitors and 50 of them made a purchase, the conversion rate would be 5% ((50/1000) x 100).

By regularly monitoring and analyzing your website's conversion rate, you can identify areas for improvement and make changes to optimize your website for better conversion rates. After learning how to calculate conversion rate, let’s look at where you can implement it on your website.

Where to Implement a CRO Strategy on a Website?

There are several areas on a website where a CRO strategy can be implemented to improve the conversion rate. Here are some common areas to consider:

  • Landing pages: Landing pages are specific pages on a website that are designed to convert visitors into leads or customers. By optimizing the design, messaging, and calls-to-action (CTAs) on landing pages, businesses can improve their conversion rates.
  • Forms: Forms are an essential element of lead generation on a website. Optimizing form design, reducing the number of required fields, and using clear and concise instructions can increase the number of form submissions.
  • Checkout process: For e-commerce websites, optimizing the checkout process is critical to increase the conversion rate. Simplifying the checkout process, reducing the number of steps, and displaying progress indicators can all improve the user experience and increase conversions.
  • Call-to-actions (CTAs): CTAs are buttons or links on a website that prompt visitors to take action, such as "Buy Now" or "Download Now." By optimizing the design, placement, and messaging of CTAs, businesses can increase the click-through rate and conversion rate.
  • Website copy: The copy on a website can greatly influence the conversion rate. Clear and concise messaging, effective use of headlines, and persuasive language can all help to increase conversions.
  • Website design: The design of a website can impact the user's perception of the business and influence their decision to take action. A clean and visually appealing design can improve the user experience and increase conversions.


In today's digital age, where online presence is crucial for businesses, implementing a conversion rate optimization strategy is essential to maximize the effectiveness of a website. By optimizing various elements such as landing pages, forms, checkout processes, CTAs, website copy, and design, businesses can increase their website's conversion rate and generate more leads and revenue. CRO is an ongoing process that requires continuous testing and optimization to achieve the desired results.

Conversion Rate Optimization (CRO)

1. How long does it take to see results from a CRO strategy?

It can take anywhere from a few weeks to several months to see significant results from a CRO strategy. It depends on factors such as the size of the website, the amount of traffic, and the complexity of the optimization efforts.

2. What tools are commonly used for CRO?

There are several tools available for CRO, including Google Analytics, heat mapping tools, A/B testing software, user feedback tools, and more.

3. How much should I budget for CRO?

Answer: The budget for CRO can vary widely depending on the scope of the project and the resources needed. Some businesses may allocate a small portion of their marketing budget to CRO, while others may invest a significant amount. It's important to evaluate the potential ROI of CRO efforts to determine an appropriate budget.

REIN Digital is a leading global marketing and advertising firm focused on providing the best services and partnership. Our journey began in 2015 in Gurgaon, and since then we have been believing in putting in every ounce of effort in order to bridge the gap between our client's present and hopeful future. 

Throughout these years, we have collaborated with businesses from India as well as other nationals including Australia & the USA.

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