How to Do A/B Testing on Google Ads to Maximise Budget?

AB Testing on Google Ads

What is A/B Testing?

A/B testing is a method used to evaluate two versions of something to see which one performs better. Although this method is primarily associated with websites and apps, it is nearly 100 years old and is possibly the simplest and most efficient way to conduct a controlled randomized experiment. This means of testing has become popular in the past few decades as businesses realize that the online environment is more effective in helping marketers and managers answer questions such as who is more likely to buy our product. The A/B test is now commonly used to assess everything from online offers and headlines to website design and product descriptions. The test functions by displaying two sets of random users with completely different versions of a website or product and then comparing which had the most effect on the success metric. Although the A/B test is currently the most popular method, there are a few common mistakes that companies make with it, such as reacting before the test has finished, focusing on the wrong metrics, and not doing the right amount of retesting to see if the results correlate.

Why You Should Do A/B Testing?

There are many benefits to the A/B test as it enables you to increase user engagement, boost conversion rates, minimize risk, create more effective content, and lower bounce rates. Therefore, doing an A/B test can result in significant improvements to your website or mobile app. This will enable a company to collect all the relevant data they need to make informed decisions regarding their products/services, which will boost their sales and lead to more customer interactions and feedback.

What Should You Test in an A/B Google Ads Campaign?

A/B testing involves testing all segments of your online business, from page loading speeds to the amount of time a visitor spends on your website and even which pages they visit. This will give you helpful insight into how eye-catching and interesting your website’s content is and whether the functionality of your website is satisfactory. Both of these aspects play a big part in terms of your conversion rate, as more people are likely to convert into customers if your website is quick and the content is attention-grabbing.

When running an A/B Google Ads campaign, it’s important to test several elements to determine what’s working and what’s not. Here are some key areas to focus on:

  • Ad Copy: headlines, descriptions, and calls to action to see which combination performs the best.
  • Landing Page: Test different landing pages to see which ones convert the most visitors into customers.
  • Targeting: Test different targeting options to see which ones lead to the most clicks and conversions.
  • Bidding: Test different bidding strategies to see which one’s results in the best return on investment (ROI).
  • Ad Formats: Test different ad formats, such as text, display, and video, to see which ones perform best for your campaign.
  • Ad Placement: Test different ad placements, such as on search results pages, display networks, and social media, to see which ones generate the most clicks and conversions.
  • Audience: Test different audience segments to see which ones respond best to your ads.

Overall, it’s important to test one element at a time and make incremental changes to your campaign. This way, you can accurately determine what’s working and what’s not, and optimize your campaign for the best results.

Tools That Can Help in A/B Testing

There are a variety of tools available to help maximize the benefits of your A/B testing. Google offers several tools that can assist with A/B testing in Google Ads, including:


  1. Google Ads Experiments: This allows you to test different variations of your ads, ad groups, or campaigns to determine which one performs better. You can set up an experiment within your existing campaign and compare the performance of your control and experiment groups.
  2. Google Analytics: This provides insights into how visitors interact with your website, including which pages they visit, how long they stay, and which actions they take. You can use this data to test different landing pages and determine which ones lead to more conversions.
  3. Google Optimize: This enables you to test different variations of your website, including headlines, images, and calls to action. You can use Optimize to create experiments and test different variations of your website to determine which one leads to more conversions.
  4. Google Tag Manager: This gives you the ability to add and manage tags on your website without having to edit the code. You can use Tag Manager to track specific actions on your website, such as clicks on a button, and use this data to test different variations of your website.

Using these tools, you can analyze the results of your Google Ads A/B tests to create an ad that best optimizes your campaign’s performance.

How to Do A/B Test in Google Ads

The A/B test is a random test where two or more variants of the same web pages are used. Variant A and Variant B, both are originals but contain one element which differs from the original. Before testing begins, you will need to find something to test on. Instead of randomly guessing which sections to test, we suggest starting in sections. For example, testing a call to action and removing an irrelevant form. After you have tested a few things, you will find it easier to expand the scope of our testing.               

Create an A/B test

  • Go to the google optimization account
  • Select the container you wish to use
  • Click on create an experiment
  • Enter the test name (up to 255 characters)
  • Then proceed to the editor page URL, which is the web page you wish to test
  • Choose the A/B test option
  • Finally, click on the create button

How to Clarify A/B Test Results?

A/B testing is often referred to as split testing and Is the process of evaluating both different versions of an ad, to decide which will generate more conversions.

According to online reports, 71% of companies online are conducting two or more A/B tests every month. By running the A/B test they are able to see which elements have the most impact on the overall conversion rate.

Some of the benefits of A/B testing are below:

  • Improving Ad Performance: A/B testing allows advertisers to experiment with different ad elements such as headlines, descriptions, images, and call-to-actions to determine which variations perform better. By identifying the most effective ad elements, advertisers can improve their ad’s click-through rates (CTR), conversion rates, and return on investment (ROI).
  • Increasing Relevance: A/B testing enables advertisers to test different targeting options, such as demographics, locations, devices, and keywords. By testing different targeting options, advertisers can increase the relevance of their ads to their target audience, resulting in higher CTRs and lower costs per click (CPCs).
  • Optimizing Ad Spend: A/B testing helps advertisers identify which ad variations are generating the best results. By focusing their ad spend on the best-performing ad variations, advertisers can optimize their ad spend and increase their ROI.
  • Understanding Audience Preferences: A/B testing allows advertisers to gain insights into their audience’s preferences and behavior. By testing different ad variations, advertisers can learn which ad elements are most appealing to their audience and use this knowledge to create more effective ads in the future.
  • Testing New Ideas: A/B testing provides a low-risk way to test new ideas and strategies. By testing new ad elements or targeting options, advertisers can quickly determine if a particular approach is worth pursuing further or if it should be abandoned.
  • Staying Competitive: A/B testing helps advertisers stay competitive in a constantly changing advertising landscape. By continuously testing and optimizing their ads, advertisers can stay ahead of their competitors and ensure their ads remain effective over time.

Before you can decide which variations to test, you need to conduct a lot of research. This will enable you to maximize your conversion rate optimization. By conducting research, you allow yourself to better understand problems and issues that may need to be changed. It also allows your business to gain a deeper and greater understanding of your customer base.

How Long Should the Experiment Run?

In order to gain a representative sample, whilst keeping your data accurate and reliable, it is widely recommended that you run your tests for a minimum of one week and a maximum of a month. By doing this you are able to better understand the correlation between you and your customers.

Learn & Apply Your Learnings in Your Ad

In conclusion, A/B testing is a powerful method to evaluate which variant of something performs better than the other. The benefits of A/B testing include increasing user engagement, boosting conversion rates, and creating effective content. When conducting A/B testing on Google Ads, it is crucial to test several elements to make informed decisions about the effectiveness of these elements. By following the right steps and using the right tools, you can maximize the benefits of A/B testing and optimize your Google Ads campaign’s performance, leading to increased sales and customer interactions.

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