Want better results from your Facebook ads? Wondering how to split test your ads?

Testing lets advertisers uncover what works best for their ads so they can iterate on that to generate more business or increase their leads—getting better results for less money.

Often when marketers say that Facebook ads don’t work for them, they simply haven’t tested enough variables or the right variables to accurately determine what’s working and what to improve.

They tend to change too many things at once or lose sight of the one specific adjustment that might make the biggest difference in their results. In either instance, it helps to be both strategic and systematic about testing Facebook ads.

How to Budget for Testing Facebook Ads

The budget you allocate to testing Facebook ads depends on a number of factors such as your niche, your product, the market, the type of audiences you’re targeting, and so forth. You should also consider the significance of your results and the cost of your objective as you set your testing budget. To visualize this, you’ll spend more to test ads with a cost per lead of $25, than a cost per lead of $3.

Generally, businesses should start by allocating 10%–20% of their full advertising budget for testing and view it as an investment, knowing that it’s unlikely that their first ads will yield great results. However, continuing to run tests over a long period of time allows the advertiser to define what’s working for their brand and increases the ROI on the rest of their ad budget.

A Method for Testing Facebook Ads

When you want to test something, create a completely new ad set for testing rather than editing an existing ad set. Making changes to an existing ad set will affect its momentum, and will make it difficult to track changes to the performance data or variables you are testing.

Identify Responsive Audiences

Testing Facebook ads starts with creating potential audiences based on different interests, keywords, and targeting. The narrower each audience and their sources are, the more accurate your results will be. Test an ad that you think will perform well across multiple audiences to see which audience responds best.

The number of different audiences and variables that can possibly be tested will greatly depend on the size of your budget. While a large budget ($5000, for instance) allows you to continually test and optimize your ads and your audiences, a smaller budget might limit you to testing against 10–20 ad variables with five different audiences.

Assess Facebook Ad Creative Variations

Once you determine which audiences provide the best results, the next step is to use those audiences to refine your text and visuals.

Testing text involves variations on headlines, ad copy, and calls to action. Testing creative involves variables such as single images, video, and dynamic elements like carousels.

Because visuals stop people from scrolling through the news feed, Focus the first phase of testing on visuals and then moves to testing longer or shorter versions of text elements.

If you have a limited budget, you should stick with testing 4 or 5 square visuals because that format translates well in ads served on Facebook as well as on Instagram. If you have a larger budget, you can test a greater number of square visuals against horizontal or vertical orientation.

Determine Proper Facebook Ad Placements

Those new to Facebook advertising often don’t realize they have the option to test specific placements for their ads. To illustrate, you can place individual ads only on Instagram, only in Stories, only in Facebook Marketplace, or in the right column of Facebook on desktop.

Managing individual ad placement is important because choosing all placements (or Automatic Placement) gives Facebook the authority to funnel too much of your budget into placements you may not have intended to leverage.

After you test ad placements, use the breakdown report to manage how your budget is being funneled into each placement on Facebook, as well as on Instagram and Messenger. Based on what you see, you can easily start and stop ads in different placements without disrupting the ads running elsewhere.

Analyze Test Results to Refine Facebook Ads

After setting up some initial tests, the next step is to analyze the results and use this information to further refine your ads. Having a strong naming convention for your ad sets and the differences in the tests help streamline this process.

Release a test ad and allow it to run for at least 3–4 days. This duration provides a strong baseline for the ad’s performance. Analyzing the results could take as little as half an hour to an hour, depending on the number of ad sets you’re examining.

Assess Test Results in Facebook Ads Manager

Begin by looking at clicks measured on the Performance Chart, which is a default report within Facebook Ads Manager. From there, you can customize the Facebook ad metrics you see by adding standard events or custom conversions to see how far into the customer journey people get. You can also add columns to track return on ad spend and other specific objectives to your report.

As you comb through the data, filtering and sorting brings the best performers to the top of the page quickly and identifies which audiences, placements, and creative to elevate. You can also use this reporting to break down different options (such as age ranges or geographic location) to discover further opportunities for refinement.

Inform and Refine Your Facebook Advertising Results With Google Analytics

Facebook doesn’t always report leads and attributions correctly and has been known to over-report in certain cases. To double-check your results, you can use Google Analytics and Google UTM tags to accurately determine which of your ads are actually driving the actions and conversions your brand wants to see.

In some cases, Google Analytics goes even further by providing information Facebook isn’t currently capable of providing. This includes advanced metrics such as Time on Page—which reports how much time users spend interacting with your site, and the ability to compare user behavior differences between ads seen on mobile and desktop.

For example, if people who click through on your ads from desktop spend more time on your landing page than people who click through from mobile, you might consider putting more of your budget behind desktop placement.

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