How to A/B Test SDR Messaging

08 November 2023

How to A/B Test SDR Messaging

Sales Development Representatives (SDRs) play a crucial role in the sales pipeline. They are the first point of contact with potential customers, and their messaging can significantly impact the conversion rates. Therefore, it's vital to ensure that their messaging is as effective as possible. One of the best ways to do this is through A/B testing. This article will guide you through the process of A/B testing SDR messaging to optimize your sales efforts.

Understanding A/B Testing

A/B testing, also known as split testing, is a method of comparing two versions of a webpage or other user experience to determine which one performs better. It is a way to test changes to your page against the current design and determine which one produces positive results. It is a straightforward concept that can have a profound impact on your bottom line.

When it comes to SDR messaging, A/B testing involves creating two different versions of the same message and sending them to different segments of your audience. The performance of each message is then tracked and analyzed to determine which one is more effective.

Importance of A/B Testing in SDR Messaging

A/B testing is a powerful tool in SDR messaging because it allows you to make data-driven decisions. Instead of guessing what kind of messaging will resonate with your audience, you can use A/B testing to find out for sure. This can lead to higher conversion rates, more sales, and ultimately, more revenue for your business.

Furthermore, A/B testing can help you understand your audience better. By testing different messages, you can gain insights into what your audience responds to and what they ignore. This information can be invaluable in crafting future messages and strategies.

How to A/B Test SDR Messaging

Step 1: Define Your Goal

The first step in A/B testing SDR messaging is to define your goal. What do you want to achieve with your messaging? This could be anything from increasing the open rate of your emails to boosting the response rate to your calls.

Once you have a clear goal in mind, you can start designing your test. This involves creating two different versions of your message – version A and version B – that you will send to different segments of your audience.

Step 2: Create Your Messages

When creating your messages, it's important to only change one variable at a time. This could be the subject line of your email, the wording of your call-to-action, or the format of your message. Changing more than one variable at a time can make it difficult to determine which change led to any differences in performance.

Once you have created your messages, you can send them out to your audience. Make sure to split your audience randomly to avoid any bias in your results.

Step 3: Analyze the Results

After your messages have been sent, it's time to analyze the results. This involves tracking the performance of each message and comparing them to see which one was more effective. Remember to focus on your initial goal when analyzing the results.

If one message significantly outperforms the other, you can use this information to optimize your future messaging. If the results are inconclusive, you may need to run more tests to get a clear answer.

Best Practices for A/B Testing SDR Messaging

Test One Variable at a Time

As mentioned earlier, it's important to only test one variable at a time when A/B testing SDR messaging. This allows you to clearly see which changes are affecting your results. If you change multiple variables at once, you won't know which one caused the change in performance.

Use a Large Sample Size

The larger your sample size, the more reliable your results will be. If you only test your messages on a small group of people, your results may not be representative of your entire audience. Try to test your messages on as large a group as possible to get the most accurate results.

Run Your Test for a Sufficient Amount of Time

It's also important to run your test for a sufficient amount of time. If you end your test too soon, you may not have enough data to draw a reliable conclusion. On the other hand, if you run your test for too long, other factors may start to influence your results.


A/B testing is a powerful tool that can significantly improve your SDR messaging. By following the steps and best practices outlined in this guide, you can optimize your messaging, increase your conversion rates, and drive more revenue for your business. Remember, the key to successful A/B testing is to be methodical, patient, and always driven by data.

About the author
Arnaud Belinga
Arnaud Belinga
Arnaud Belinga is the Co-Founder & CEO at Breakcold. He talks about Sales CRM use, marketing & sales. He loves Surfing 🏄‍♂️ & Skateboarding 🛹️.
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