How to Test and Improve Your Marketing Creative the Right Way
- Mike Wilhelm
- Jan 31
- 4 min read

The ads and visuals you use in marketing can make or break a campaign. But how do you know if what you're creating will work? In place of guesswork, test your marketing creative. It will help you make informed decisions, improve your Return on Investment (ROI), and ensure your message resonates with your audience. This article will walk you through the key steps to testing and improving your marketing content to maximize success.
Why Testing Your Marketing Creative Matters
If you don’t test your ads, you risk wasting money on ideas that don’t connect with your audience. By trying different parts of your creative, you can see what catches people's attention and moves them to act. It also helps you refine your designs and messages so you're not throwing away money on campaigns that miss the mark.
Not testing your marketing creative is a guaranteed way to set your campaign up for failure. If you launch an ad without knowing whether it resonates with your audience, you're wasting money and losing valuable opportunities.
Testing is essential because it helps boost ROI, refine messaging, and improve conversion rates. It gives you data-driven insights into what actually works, allowing you to create content that truly engages your customers.
Without a structured testing approach, you're taking unnecessary risks and gambling on creative assets that may not deliver results.
Setting Clear Goals for Testing
Before you start testing, you need to define your goals. What do you want to achieve with your ads? Some campaigns are focused on building brand awareness, while others aim to generate leads or increase sales. Having a clear objective helps you measure success more effectively.
Establish key performance indicators (KPIs) that track your ad’s success. While metrics like click-through rate (CTR), conversion rate, engagement, and cost-per-action (CPA) are useful, focusing only on them can cause you to lose sight of the bigger picture.
If you optimize purely for clicks or low-cost actions, you might miss whether your campaign is actually driving meaningful business results. Everything should be traced back to ROI—ensuring that your marketing efforts are not just engaging but also generating real, measurable value for your business.
Testing should always support your larger marketing strategy, rather than being an isolated activity.
Getting Your Creative Ready for Testing
Testing requires careful planning and structure. The first step is to decide which elements you want to test. Some of the most important components include:
Headlines: Do different titles grab more attention?
Images and videos: Do visuals affect engagement levels?
Text and messaging: How does wording influence clicks and conversions?
Call-to-Action (CTA): Do certain phrases or buttons lead to more clicks?
Once you’ve identified the elements you want to test, create different variations. Keep your brand’s voice and style consistent while making these changes. You can also use high-performing past content as a benchmark to compare your new tests.
To ensure your tests run smoothly, check that your creative is optimized for different platforms. Each ad platform has different requirements for resolution, file size, and format.
Another key step is to isolate variables. Changing many elements at once makes it hard to find the cause of any change in performance. Change only one element at a time to get clear insights.
Choosing the Right Testing Method
There are several ways to test marketing creative, and choosing the right method depends on your campaign goals and resources.
A/B Testing
A/B testing is one of the simplest and most effective testing methods. It compares two variations of an ad to see which one performs better. Half of your audience sees one version, while the other half sees the alternative. The version with better results wins.
Multivariate Testing
Multivariate testing is more advanced and allows you to test multiple elements at once. For example, you can test different combinations of headlines, images, and CTAs to see which combination works best. This approach requires more traffic and detailed analysis but provides deeper insights into how different elements interact.
Incremental Testing
Incremental testing involves making gradual adjustments to an ad over time. This method is useful when you want to refine creative elements without making drastic changes all at once. Just keep in mind that diminishing returns and non-linear scaling may impact your analysis.
Tools to Help You Test Your Creative
Many digital advertising platforms provide built-in tools to help with testing. Here are some commonly used options:
Google Ads Experiments: Helps you test different ad variations.
Meta (Facebook and Instagram) A/B testing: Lets you compare different creative elements.
LinkedIn ad variants: Useful for testing ads aimed at professionals.
There are also third-party tools like Optimizely, VWO (Visual Website Optimizer), and UserTesting that offer additional testing capabilities. Integrating these tools with analytics platforms like Google Analytics or HubSpot can give you an even deeper understanding of how your creative is performing over time.
Understanding and Analyzing Test Results
After running your tests, it’s time to analyze the results. Watch key metrics: CTR, engagement rate, CPC, and conversion rates. By looking at patterns across different variations, you can determine which creative elements are the most effective.
One of the biggest pitfalls is drawing conclusions from a small sample size. Make sure your test reaches enough people to be statistically meaningful. Additionally, don’t let personal preferences influence your decisions—rely on the data to guide you.
Signal Lab has a spreadsheet template to help you ensure your tests have a significant sample size. Download it here.
Refining and Scaling Your Best Ads
Testing should be an ongoing process. Once you find a winning creative, refine it further to make it even better. Use what you’ve learned to inform future campaigns. Scaling high-performing ads by increasing the budget can help maximize results while continuing to test new variations to stay ahead of changing audience behaviors and market trends.
Marketing trends shift constantly, so you need to keep testing and adapting. What works well today may not be as effective in a few months. Regular testing ensures that your marketing creative stays fresh and relevant.
Testing your marketing creative is a necessary step in optimizing performance. By following a structured approach, you can make informed decisions and boost ROI. The brands that succeed in today’s digital landscape are those that continuously test and refine their content to stay ahead.
By using data to inform creative decisions and testing different approaches, you can create marketing content that truly works. The key to success is ongoing experimentation—because in marketing, the best creative is the one that has been tested and proven to deliver results.