Why is ad testing important?

There are two primary goals for ad testing. The first, and most obvious, is to increase the amount of money you make from your website. The second, and often forgotten, is ensure that your ads aren’t having a negative effect on your users; which will in turn, affect the amount of money your site can make.

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Ezoic is an ad testing platform?

Ezoic uses machine learning to automatically test all the things that affect session ad earnings. This means taking into account overall user experience metrics to ensure long-term opportunities for revenue continue to grow. We’ve proven that this works nearly 23,000 times.

To do this, we test five things in aggregate:

  • The position of ads on each page
  • The size of each ad
  • The colors (background, text color, etc) of each ad
  • How many ads to show
  • When to show the user ads in their session (first page, later pages, etc)

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Why is ad testing so hard on your own?

At first glance, testing ads may appear to be quite simple, however, it’s actually really complex if you want to do a good job. Consider the following:

  • The revenue from your site will often vary greatly by time of year, time of week, time of day as well as traffic source and geographics. To effectively compare different ad combinations, you need to use split testing and/or account for outside variables.
  • Each ad placement affects the performance of other ads on the same page, both for CPC (cost per click) and CTR (click-through rate). So, you must test combinations of ad placements rather than each one separately because even though, for example, an ad at the top of the page, performs well, it may be costing you more money from other ads.
  • Effective ad optimization is done per user session, not per ad placement or per page. When you have a fixed number of visitors coming to your site, the goal is to make the most money from them over their lifetime — not just on a single page. It is for this reason that you must test and measure user experience as well because even though an ad placement earns a lot, it may be driving your users away or causing less pageviews which is actually costing you more than it’s making you.
     An example of why revenue per visit is the most important

    Scenario One
    Page eCPM: $10.00
    Page View Per Visit: 1.5

    10,000 visits * 1.5 pv/v
    = 15,000 page views
    15,000 pv & $10.00 eCPM
    = $150.00 income

    Scenario Two
    Page eCPM: $8.00
    Page View Per Visit: 2.5

    10,000 visits * 2.5 pv/v
    = 25,000 page views
    25,000 pv & $8.00 eCPM
    = $200.00 income

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What are the best ad positions and sizes?

Interestingly, there is no answer to this question as the optimal placements and sizes is drastically different on each site. For example, on a “quick answer” website such as a dictionary, the page views per visit tend to be low. In this scenario, the best ad strategy to place a larger square ad directly under or beside the information that the visitor is looking for (the definition) so the ad is seen immediately when the user is done with their primary activity. On another, high page view per visit site, the best strategy might be to place a small number of ads on the initial page views in each session, increasing with each page view.


How many ad combinations do you test?

Ezoic’s ad testing platform tests thousands of combinations, depending on the size of the site. We used advanced statistical methods to predict winners and cluster various tests together to speed up the optimization process. Then, our machine-learning platform will automatically optimize the delivery of ads to ensure you provide better experiences to user and generate more ad earnings than ever before.

We’ve proven it over and over again.

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