How to Use Facebook’s Split Testing Options

How to Use Facebook's New Split Testing Options | Disruptive Advertising
April 5, 2017 By PPC, Social Media

If you’ve run a paid search PPC campaign before, you’re probably familiar with the idea of split testing ads. Split testing your ads is a great way to improve click-through rates on your ads and even increase the conversion rates of your landing pages.

After all, even the best advertisers don’t bat a thousand.

But, if you’re relatively new to Facebook Advertising, you may not realize that you can split test your Facebook Ads as well. What’s more, unlike paid search ads, you can test more than just ad copy or design—you can split test ad delivery, audiences and placements as well.

In this article, we’ll discuss why you should split test the delivery, placements and audiences you are using with your ads and how to set these tests up in Facebook. Let’s get started!

Why Should You Split Test Facebook Ads?

Before we dive into how to run split tests, let’s take a minute to address why you should run split tests.

To put it simply, split testing is how we learn.

Take baseball, for example. If you’re in the batting cage practicing your swing and you swing too high to hit the ball, what are you going to do next time? Give up? Swing the exact same way again?

Of course not! You’re going to try something different. Maybe you’ll lower the bat a bit or swing faster to see if that produces better results.

Guess what? You just split tested your swing!

If your new swing connects, you know you’re doing something right. If you miss again, you’ll make another correction or two and see if that improves things.

The same idea applies to online advertising. Odds are, you won’t hit a home run with every Facebook ad or audience. But, if you don’t test different ads, placement, delivery or audiences, you’ll never figure out how knock it out of the park.

How to Set Up a Facebook Ad Split Test

As you might guess, if you aren’t split testing your Facebook Ads, you’re going to have a hard time optimizing your Facebook campaigns. The question now is, how do you set up a Facebook Ad Split Test?

Split Testing Delivery, Placement or Audiences

To split test your Facebook Ads, open up Ads Manager and click “+ Create Campaign.” From there, pick the relevant objective for your ad campaign:

Create a Facebook Ads Campaign | Disruptive Advertising

Now, pick the objective for your campaign…

How to Split Test Facebook Ad Marketing Objectives | Disruptive Advertising

…and check the box under Conversions to “Create Split Test”.

How to Split Test Facebook Ad Marketing Objectives | Disruptive Advertising

Type in a Campaign Name and hit “Continue”. You will then have the option to choose what you want to test:

How to Split Test Facebook Ad Marketing Objectives | Disruptive Advertising

Pick the option you’re interested in split testing and Facebook will give you a set of relevant customization options to choose from.

Delivery Optimization

If you choose to split test delivery optimization, you can test your ad delivery options and/or your bid amounts.

How to Split Test Facebook Ad Marketing Objectives | Disruptive Advertising

For example, you could try optimizing for “Link Clicks” instead of “Conversions” or compare different manual bids to see which delivery option produces the best results.

It is important to note that changing what metric Facebook is optimizing for may change what Facebook charges you for. So, if you are optimizing for Link Clicks, you’ll be charged for every click. If you are optimizing for conversions, impressions or daily reach, you’ll be charged for impressions instead.

As a general rule, it’s best to only change one variable at a time. So, if you’re testing different CPM bids, you won’t want to simultaneously test impression-based delivery optimization against conversion-based optimization or you won’t know which change produced the better results!

Audience

With this option, you have the ability to directly test two different saved audiences against each other.

How to Split Test Facebook Ad Marketing Objectives: Audiences | Disruptive Advertising

Yes, technically you’ve always been able to test different audiences against each other by creating different ad sets with different target audiences, but that approach forced your ads to compete against each other.

Since there was a good chance that your audiences had some overlap, the same people were potentially seeing the same ads from two campaigns. That made your results a lot less reliable.

With the new split testing option, Facebook keeps the audiences completely separate, which eliminates any potential of internal competition. As a result, you know that the winning audience really is a better target for your ads.

Placements

Facebook’s last split testing option allows you to compare different placements for your ads. For example, if you want to know whether or not your ads perform better in the feed or the right column, this is the setting for you.

Here are a few of the placement options you can test:

How to Split Test Facebook Ad Marketing Objectives: Placements | Disruptive Advertising

As you can see from this screenshot, you have a lot of potential options, so feel free to get creative! There’s a good chance that your best placements may not be immediately obvious, but with this test you can drill down on exactly where your ads should be showing.

Getting Your Results

Once you’ve decided what you want to test, all you have to do is finish creating your campaign! Depending on which testing option you’ve picked, you’ll need to complete the delivery options, placement and/or audiences sections.

From there, enter your budget in the “Split Test Budget & Schedule” section:

How to Split Test Facebook Ad Marketing Objectives: Budgeting | Disruptive AdvertisingBy default, Facebook will split your budget evenly between both tests, but you do have the option to push more budget towards one of your ad sets by clicking “Even Split” and changing it to “Weighted Split”.

Once you do, you’ll have the option to choose how much of your budget you want to spend on each ad set:

How to Split Test Facebook Ad Marketing Objectives: Weighting | Disruptive AdvertisingIn general, I’d recommend the “Even Split” option, since it will usually give you the most accurate data, but there are times when you may want to use a weighted split.

For example, if you are comparing the conversion rates of two audiences and clicks for audience #1 cost 10x more than clicks for audience #2, you might want to spend 90% of your budget on audience #1. That way, you get the same number of clicks from each audience and avoid skewing your results.

Alternatively, if you are fairly sure that one of your placements will not perform well, you can give that placement 10-20% of your budget and avoid wasting money while still learning something.

Finally, you’ll need to tell Facebook how long to run your test. Facebook won’t let you run a test for less than 3 days or more than 14 days, so I recommend picking 14 days and checking the “End test as soon as a winning ad set can be determined” box.

Hit “Continue”, set up your ad creative and you are good to go! (for more information on how Facebook runs its split tests, click here)

Split Testing Ideas for Facebook

With all of these new options, you may feel a bit at a loss about where to start. To help you out, here’s a list of testing questions to consider:

Audiences

If you haven’t done much testing on Facebook Ads before, I’d start by testing your audiences.

  • Which audience responds best to this set of ads? (ie, has the highest clickthrough rate)
  • Which audience has the highest conversion rate?
  • Which audience has the lowest cost-per-conversion?

Delivery Optimization

Once you’ve identified your best performing audience(s), you can then use delivery optimization testing to figure out how to get the most out of those audiences.

  • What manual bid produces the best cost-per-conversion? (for this audience).
  • Which delivery setting produces the most conversions? (for this audience).
  • Which setting delivers the most traffic? (for this audience).

You may find that different delivery setting deliver different results for different audiences. Those details will give you a great starting place for future campaigns with those audiences.

Placements

In addition, you can test a variety of placements for a given audience.

  • Does Facebook or Instagram deliver better results?
  • Do I get better results when my ads show up in the feed or right column?
  • Do my ads perform better on specific mobile devices or operating systems?
  • How do block lists affect performance?

Simply answering all of these questions for 3 audiences could provide fodder for over 40 tests. Imagine what you could learn!

Conclusion

The more you know about your audience, what they respond to and how to target them, the more effective and affordable your Facebook Ad campaigns will be. Facebook’s new split testing option gives you a great way to learn what works and what doesn’t.

Incidentally, if you’d like some help implementing these new split tests or coming up with testing ideas, let me know here or in the comments. I’d love to help!

How do you feel about Facebook’s new split testing options? Do you think they will be useful?

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Aden Andrus

Director of Content Marketing
Over his career, Aden has developed and marketed millions of dollars of successful products. He lays awake at nights figuring out new marketing tactics and is constantly upping Disruptive's internal marketing game. He loves to write, dance and destroy computer monitors in full medieval armor.

One Comment

  • Alyssa says:

    Thanks for this post – I didn’t realize that we have the ability to directly test two different saved audiences against each other.
    Question – what do you think about performing this split testing using off-site platforms like PickFu.com and Google Surveys?

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