Last Updated On March 10, 2023

A/B Testing- Learning the Tools and Its Impact on the SEO (Part-II)

A/B Testing- Learning the Tools and Its Impact on the SEO (Part-II)
By Team TIS

After going through my recent article that covered the complete guide about the A/B testing technique, someone asked me why I have not discussed the tools used for implementing the A/B test accurately on the website or if this test will have any impact on the overall SEO of a website. In response to his query, I am going to shed some light on a few key tools that are used for providing simplified A/B testing functionality as an important part of the Google Analytics suite. Besides this, I will also discuss the impact of A/B testing on the SEO of a website.

If you aren’t aware of the basics of A/B testing, I will recommend you go through my first article to brush up on your knowledge about its fundamentals and why it is so important for all marketers and designers. Now here is the brief information on the best three A/B testing tools, before moving forward with the procedure of setting up an A/B test with Google Analytics and its effect on SEO.

3 A/B Testing Tools Evaluated

1. Google Website Optimizer

Google website optimizer is a free A/B testing tool that is used for creating experiments for testing conversion rates. For using this tool, you have to establish content experiments for different elements on your web pages and then Google will randomly serve the varied versions of your web pages to the real number of visitors who come to your website.

You can easily test up to 10 different variations of a single landing page. With Google website optimizer, you already know that the participants in the tests are your target audiences, and hence, this tool has a great advantage over other A/B testing tools when it comes to focusing on your target market.

Tips for using the full potential of Google website optimizer:

  • Concentrate on receiving visitors from one web page of your conversion funnel to the other.
  • Try to test things such as navigation, header, or search future to check if they are getting noticeable gains in their conversion rates.
  • Always ensure to try out the latest modifications applied by your competitors to see if these changes are resulting in better conversions for your webpage or not.
  • Perform the tests simultaneously to keep your web page up and increase the engagement rate of your visitors.

2. Visual Website Optimizer

Visual website optimizer is an effective A/B testing tool that offers you the easiest and quickest way for increasing your website leads and sales. As a leading optimization and testing tool, it allows product managers, marketers, and analysts to create A/B tests without having any proficiency in HTML or technical knowledge. With this tool, marketing professionals can easily create different variations of their landing pages and websites, and then with the help of a checkpoint editor, they can check which of these versions are able to generate maximum leads and sales. This tool also allows its easy integration with Google Analytics and hence, you can conveniently perform the analytics of your A/B test in Google Analytics.

Benefits of Visual Website Optimizer:

  • It consists of all testing basic tools such as visitor surveying and heat maps.
  • It has a brilliant “idea factory” that facilitates you in creating effective test ideas.
  • It comes with an instinctive user interface with an excellent test design wizard to assist you.
  • There is no hidden fee for better functionality but all features come integrated into the monthly cost.

3. Unbounce

An incredible A/B testing tool, Unbounce helps you in making impressive landing pages and testing new ideas and hypotheses. This tool claims to increase conversion rates up to 20% by implementing new design changes and ideas for A/B testing. It comes with an effectual drag and drops landing page builder that assists you in creating responsive web pages without seeking any assistance from the technical team. The “code-free zone” of the Unbounce tool creates and publishes a high conversion landing page in a single click.

Benefits of using the Unbounce tool:

  • It helps in improving the performance of your marketing campaigns by sending traffic to a particular landing page.
  • You can easily send the conversions from your Unbounce landing pages straight to other tools that are used by your marketing professionals because it can easily integrate with Email software, CRM, and Analytics platform.
  • It helps in reducing the time required for creating multiple variations of landing pages for A/B testing since it can publish a live landing page within an hour.
  • It does not require HTML knowledge for creating landing pages and it hosts a service that doesn’t require any type of installation.

Once, these 3 important A/B testing tools have been compared, the next step is to set up the A/B test in Google Analytics and for this, we will organize the test using the Google Website Optimizer tool (also known as Google Content Experiments).

Setting up A/B Test with Google Analytics Content Experiments

Google Content experiment is the advanced version of the Google website optimizer tool that is used for running A/B tests from inside Google Analytics. For creating the test with this tool, there are some important steps that have to be followed and they are listed as follows:

 Creating New Content Experiment

For the creation of a content experiment, you have to navigate the Behavior section of Google Analytics, where you will find the “Experiments” link on the sidebar. If this is a completely new and first experiment for you, then you can begin by clicking on START EXPERIMENTING, however, if you have already existing experiments displayed on the age, then click on the Create Experiments button, and a new window will open asking for the given fields:

When you have selected the experiment and finalized the experiment objective, click on Next Step.

You can add the variations and the URL of the webpage that you would like to test and you will see the thumbnails of the web page to ensure that you are entering the right URLs. When you have filled in the required details, you can click on the “Next” button to proceed with the subsequent step of setting up A/B testing.

Setting the Experimental Code

For setting up the content experiment code, you have to select either the required code for running your test or you will be given an option to send an email to the concerned person who is implementing the code. You can also receive the Experiment ID that will be used in the subsequent step for implementing the experiment. You can get the Experiment ID by clicking on the option “Manually insert the code” button.

Once, the experiment ID is received, you can move forward with the next step of validating and confirming the experiment code.

Substantiation of the Content Experiment Code

This step confirms the substantiation of the content experiment code and if the code is missing, an error message will be displayed. However, you can skip this step if you want to do so, and for this, click on “Start Experiment”. A pop-up message comes up with the following information, “Experiment validation had errors or did not complete. Are you sure you want to start the experiment? If you are sure that your experiment is properly set up, you may continue.” However, it is advised to check the code for evaluating why the error is displayed and then you can try the substantiation once again

Running and Publishing the Content Experiments

Once the content experiments code is substantiated and you have configured it appropriately, your next vital step will be to run and publish the experiments depending on the results. With its proper execution, the users will be included in the experiments and this will help you in understanding which of these variations are receiving maximum traffic without any redirects. Once, the experiment is executed and you have come across the results, you can easily include the changes such as CSS and HTML of the original page and remove the experiments.

Now, when you have learned about the tools and implementation of A/B testing within Google Analytics, the consequent query that might pop up in your mind is that “Does the A/B testing impact the SEO of your website”?

Does the A/B testing impact the SEO of your website?

Here are some guidelines of Google that all professional marketers should follow to avoid penalties and ranking affect on their website during A/B testing.

Avoid Cloaking, Says Google

Google has strictly posted the guidelines to the websites performing A/B testing that they should avoid cloaking and display the crawlers what type of changes are happening in your website. Ensure that you can never decide whether you have to serve the test or the content variant depending on the user-agent. Always serve the original content to the user-agent and breaching the guidelines can make your website removed or demoted from the search results of Google.

Google Instructs to Use rel= “canonical”

Google recommends that marketers use the rel=”canonical” method to make sure that the variations of their web pages should be considered by the search engines as closely related to the original URL because if you don’t use the rel=”canonical” then, it could impact the ranking of your web pages in a negative way, which is perhaps not what you are expecting to come out as the testing results.

Use Temporary Redirect 302 as an Alternative to 301

It is wise to use the temporary redirect “302” instead of “301” because it helps the search engines to recognize that the redirect is temporary and it will be there only till the time you are performing the A/B testing on your web page. Hence, they will maintain the ranking of your original web page instead of changing it.

Avoid Running Experiments for Longer Duration

Running experiments for a longer duration can initialize penalties from Google. It is necessary to update your website once the test is concluded with the selected variation. Running experiments for longer than Google expectations will be treated as an effort to mislead search engines and hence, it might raise penalties on your site.

When you will follow these guidelines of Google while executing A/B testing on your website, it promises not to affect the SEO of your site, which in turn will maintain your site’s rank in search results.

Testing More Than One Thing In a Time- Is It Possible?

It is possible to test more than one thing at a time, but then it will become multivariate testing instead of A/B testing, which will also take unusually longer durations. For example, let’s say you want to test three different variations of a particular call-to-action button on your web page. In such cases, if you run a single test by splitting the target visitors on these three variations equally, you will be able to run a more efficient A/B test.

Besides, running more than one thing at a time is also more complicated as it requires more days to run and check the results accurately.


If the A/B tests are left unchecked, they can impact the SEO of a website negatively which in turn affects the ranking of your website. However, these tests are very important to determine the opportunities to increase your website’s conversions and also to enhance its performance.

Hopefully, you must have been inspired to run the A/B testing appropriately on your website by going through this post.

By following the tips mentioned in this guide and running your A/B tests while keeping in mind the best SEO practices, you shall be able to benefit the most from this website testing and simultaneously keep your website ranking high in the search engines.

By Team TIS
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