Title: Split test Traffic Distribution
Last modified: December 1, 2023

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# Split test Traffic Distribution

 *  Resolved [awright](https://wordpress.org/support/users/adamwrethinkfirst/)
 * (@adamwrethinkfirst)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/split-test-traffic-distribution/)
 * Hello,
 * Is it possible to distribute traffic per split test by percentage? For example,
   50% see the Original, 30% see test A and 20% see test B?
 * Thank you.

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [PC](https://wordpress.org/support/users/pranayachaudhary/)
 * (@pranayachaudhary)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/split-test-traffic-distribution/#post-17246080)
 * Hi [@adamwrethinkfirst](https://wordpress.org/support/users/adamwrethinkfirst/)
 * Thanks for your message. Currently its not possible to distribute traffic per
   split test by %.
 * Also, in a regular split test as well, it would also not show evenly. There are
   a few reasons split test variations won’t show evenly across:
    1. The mathematics of randomness. The code isn’t going: “Show A. Show B. Show A.
       Show B.” Rather it’s based on a “random number generator.” Essentially the code
       randomly picks a number. With a vast collection of data, assuming every other
       variable is equal, then yes, the numbers should eventually close to 50/50. But
       there are other factors involved, such as #2 and #3 below.
    2. Not every visit will meet the conditions to show your campaign; therefore, a
       particular split-test variant may not show as much as another variant and thereby
       skew your analytics results. If Campaign A shows immediately, whereas Campaign
       B shows after 20 seconds, your Campaign A will have a significantly higher impression
       number and will appear to “show more.” With that said, your Campaign B may have
       a better conversion rate compared to Campaign A.
    3. You could have different start times. If the primary Campaign was started on
       January 1, but your Split- test didn’t start until January 15, then (assuming
       everything else being equal), your Primary Campaign should be showing nearly
       three times as often as your split-test variant when you review your January
       statistics.
 * To illustrate the variance of how much each campaign split-test variant can show,
   check out this JSFiddle created by our lead developer that illustrates how the
   random generator will not give perfect 50/50 stats all the time but can fluctuate.
   Press **Run Test** and look at the Distribution Numbers that show: [https://jsfiddle.net/channeleaton/f65osrw5/4/show/](https://jsfiddle.net/channeleaton/f65osrw5/4/show/).
   (
   You can repeatedly press **Run Test** to see the different possibilities).
 * I hope that helps.
 *  [PC](https://wordpress.org/support/users/pranayachaudhary/)
 * (@pranayachaudhary)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/split-test-traffic-distribution/#post-17249889)
 * Hi,
 * I hope you have everything you need on this. Please feel free to create a ticket
   if you need any other assistance.

Viewing 2 replies - 1 through 2 (of 2 total)

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## Tags

 * [percent](https://wordpress.org/support/topic-tag/percent/)
 * [percentage](https://wordpress.org/support/topic-tag/percentage/)
 * [Split Testing](https://wordpress.org/support/topic-tag/split-testing/)

 * 2 replies
 * 2 participants
 * Last reply from: [PC](https://wordpress.org/support/users/pranayachaudhary/)
 * Last activity: [2 years, 6 months ago](https://wordpress.org/support/topic/split-test-traffic-distribution/#post-17249889)
 * Status: resolved