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Optimizing a project with Google Optimize

When working with a project, very often ideas for design changes arise that could increase the number of conversions on the site. However, it is far from always possible to implement this, since it will be necessary to involve a programmer to make changes on the site. In addition, it is not known in advance what exactly such changes will lead to.

But thanks to A / B testing services, it is possible to create experiments with which you can track exactly how changes on the page can affect the performance of your site.

A / B testing Is a comparison of two pages with different designs at the same time and under the same conditions, in order to find out which one works best for a specific goal.

After the experiment, you can understand whether a new idea has a right to life. If at the end of the period the results are positive, then the reports should be shown to the customer in order to convince him to add them to the site. If the experiment gives negative results, you can turn it off immediately.

In the fall of 2016, Google announced beta testing of a free service for A / B site testing. Such services existed before, but they were difficult to use and, sometimes, even for testing small tasks, it was necessary to involve programmers.

In turn, Google Optimize is very easy to use. To get started with this service, you just need to create an account in it, insert the code on your website through Google Tag Manager and link your Google Analytics account to your Google Optimize account. You can learn more about the installation, as well as the types of experiments in our article on safely testing the site interface with Google Optimize.

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Most of the services for A / B testing are paid. Google Optimize is free, but has an additional paid service called Google Optimize 360.

The main advantages of the paid version:

  • Google Optimize 360 ​​has access to Google Analytics audiences, which allows you to experiment with users in your audiences. In the case of the free version, it is possible to use only available Google Optimize targeting settings.

  • The free version has the ability to track only 3 pre-selected goals (one primary and two additional) from Google Analytics. In the paid version, you can see how changes on the site affect all goals that have been configured in Google Analytics.

  • In the free version, only 5 experiments can work in parallel, which is suitable for a small site.

EXPERIMENT IN GOOGLE OPTIMIZE

A task: for the period of the promotion, test the landing page by adding an additional promotion text to it.

Decision: Using Google Optimize, an A / B test was created that compared landing page options with and without promo text. The traffic was distributed 50% to 50%.

The goals of the experiment were: “Transaction” (main goal), “Add to cart” and “One-click purchase” (additional goals).

The experiment lasted 6 days (in general, the recommended experiment duration in Google Optimize is 14 days, but the promotion lasted exactly 6 days), during this period there were totally 511 experimental sessions, which were distributed as follows:

  • “Initial version” – 278 visits,

  • “Promo page” – 233 visits.

While the experiment is running, the results of changes for each set goal can be viewed in real time in the “Reports” section. After completion of the experiment, all data is saved for analysis.

Target – “Transactions”

As you can see from the screenshot, over the period of the experiment, the page with the promotion was inferior to the main one only by the number of transactions.

However, Google Optimize gives more preference to the page with a promotion and believes that it outperforms the main page in a ratio of 55%: 45%.

Also, the page with the promotion showed a higher transaction rate: 5.9% versus 5.6% of the original page.

This means that in the long run, the stock page will perform better than the main page.

Target – “Add to cart”

Within the framework of this goal, the page with the action performed poorly, losing absolutely in all respects.

Goal – “Buy in 1 click”

But for the “Buy in 1 Click” goal, the page with the promotion surpassed the main page in all respects, showing an 88% probability of superiority.

According to Google Optimize recommendations, the experiment can be stopped when the probability of superiority is 95%.

In addition to Google Optimize reports, experiment results are also available in Google Analytics reports under Behavior – Experiments. The experiment name in Google Analytics matches the experiment name in Google Optimize, which allows you to quickly navigate.

Conclusions:

  • Google Optimize is a free service that allows you to conduct A / B testing of your website without involving programmers.

  • The free version of Google Optimize has the same functionality as the paid version of Google Optimize 360. The only limitation is the number of experiments that can be run simultaneously and the number of goals that can be tracked, as well as the inability to target ready-made Google Analytics audiences.

  • The Google Optimize experiment is recommended for 14 days. In the case when the experiment is started indefinitely, it can be stopped when the probability of superiority is more than 95%.

Lane Derrick

Lane Derrick

My name is Lane Derrick, back in 2014, he began to take an interest in SEO and webmastering, and started real projects six months later. For 6 years of practice, skills were formed that I use to this day. The main activity is website promotion and contextual advertising.

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