A/B Testing Fullstack - A Full Guide on A/B testing

A/B Testing Fullstack - A Full Guide on A/B testing

By Vijay Singh Khatri on Jul 12 2022 | Be the first to comment

A/B testing or bucket testing, or split testing, is a method of comparing two versions based on the performance of a webpage or application to examine which one performs better than the other. A/B testing is a required experimental method between the two versions of a page randomly presented to the users to collect statistics figures and analyze the report on which one performs better based on the given goal.

It is the best method to test or determine which versions leave a good impact on users and perform accurately with the required goal. This testing method eventually removes the guesswork of website optimization and leads experienced designers to make appropriate decisions to impact the website better. More precisely, "A" in A/B testing states the original testing version, while "B" depicts the variation of a new version of the original variable.

The result of the A/B testing marks the specific version that helps to grow the business metrics as a "winner".” Utilizing the "winner" variable on the web page or elements helps optimize the website and uplift the business. The business statistics could vary from website to website. For an eCommerce website, the better business metrics could be better sales of products and services, whereas, for a B2B website, it could meet the qualified leads.

A/B testing is one component of the essential process of Conversion Rate Optimization (CRO), utilizing which you can accumulate both qualitative and quantitative insights of users. CRO also helps gather information to comprehend client behavior, commitment rate, problem areas, and even satisfaction with the website's features, including new functionalities and revamped page segments. Thus, it is not a denying fact that without A/B testing, you're most likely missing numerous potential business incomes. However, before proceeding with A/B testing, it is vital to understand its different types.

Different Types of A/B Testing

Before you jump toward testing out your web pages or elements to improve your business metrics, let's first look at the different types of A/B testing methods that come with different advantages. Usually, A/B testing incorporates four types of testing methods, so let's understand in detail about each.

1. Split URL testing

Most of the time, people usually get confused between Split URL testing and A/B testing. In any case, both are generally altogether different. Split URL testing includes the experimenting method wherein a completely new version of an existing website URL is tested to examine the better performance.

Generally, when an individual seeks to test front-end changes on a website, A/B testing is utilized in such cases. Whereas, Split URL testing is utilized when a person wishes to roll out critical improvements to the current page, particularly in the design area. A person would not be ready to touch the current design for comparison purposes. However, during a Split URL test, the entire website’s traffic is diverted between the original URL of the website and a variation or the new website URL. Each of their conversions is used to calculate the winner one.

Benefits of Split URL Test

A split URL test is appropriate for evaluating the latest designs while utilizing the current website's page design for a similar examination. It is suggested to run tests with non-UI changes, like changing to an alternate database and improving the load time of pages.

Further, it also helps to examine the Change up website work workflow. Workflow mainly influences business transformations and also assists in testing new ways before executing changes and deciding whether any of the staying points were missed.

Moreover, the split URL test is a superior and much-suggested testing strategy for active substances.

2. MVT (Multivariate Testing)

Multivariate testing (MVT) is generally an experimental strategy in which the varieties of various page factors are all together tested to investigate which combination of variables plays out excellent out of the multitude of potential permutations. However, this test type is quite more complex than the normal A/B test and is ideal for cutting-edge marketing, product, and development experts.

Let's look at an example for a better understanding of this test. Suppose you want to test two versions of the hero image, the call-to-action option and landing page headlines. Thus, it implies that an aggregate of eight variations is made and tested to find a winner variation.

Benefits of Multivariate testing

In Multivariate testing, there are generally three benefits that users can get;

  • It assists in bypassing the need to conduct a few sequential A/B tests with similar objectives and saves time since you can track the performance of different tested page components simultaneously.

  • Effectively examine and decide the commitment of each page component to the measured gains.

  • It also maps the collaboration between independent variations like page features, banner pictures, etc.

3. Multi-Page Testing

Multipage testing is an experiment that helps individuals test changes to specific elements across multiple pages. One can use two methods to direct a multipage test. One individual can take all pages of the sales funnel and make new forms of every, making it challenging for the business channel, and then test it against the control. This testing process is known as Funnel Multipage testing.

The second method is to run the test to add and remove the repetitive element; security identifications, testimonials, and others can affect changes across a whole funnel. It is known as Classic or Conventional Multi-Page testing.

Benefits of Multi-Page testing

Like A/B testing, Multipage testing is not difficult to make and run and furnishes important and solid information effortlessly and in a short period.

  • It empowers you to make reliable encounters with your ideal interest audience.

  • This testing also assists your interested audiences with seeing a predictable arrangement of pages, regardless of whether it's the control or one of its varieties.

  • It empowers you to execute similar changes on a few pages to guarantee that the visitors on site don't get diverted and shift off between versions and plans while exploring the website.

What is the Importance of AB Testing?

Now the main question arises, what you should consider in A/B testing. Well, in many cases, when a B2B organization is a discontent with each of the unfit leads, they get each month, or eCommerce stores, on the contrary, are battling with a high card abandonment rate. In the interim, media and publishing companies struggle with low viewer statistics. Perhaps the main conversion metrics are the issues, including conversion funnel leak, drop-off payment pages, etc.

Below are Some Reasons Why You Ought to Do A/B Testing:

1. Address Visitor Pain Spots

Website traffic plays a crucial role in achieving potential customers to increase product and service demand. It could include seeing more about your products and services, purchasing a specific item, reading/exploring a particular topic, or browsing deeply. No matter what goal visitors set and approach the website, they might confront some usual trouble spots while accomplishing their objective. It tends to be difficult to come by the CTA button like Buy now, demand a demo, and others.

Whenever users find it hard to accomplish their goal and prompt a terrible user experience, this expands friction and ultimately impacts the conversion rates. Although, in such a case, using visitor behavior analysis tools like heatmaps, google analytics, and surveys to accumulate users’ data to tackle the visitor's pain spots. Even though it sounds practical for all businesses, including eCommerce, travel, SaaS, schooling, and media.

2. Better ROI for Currency Traffic

Most experienced enhancers do understand the importance of the expense of gaining quality traffic for a website. Thus, to achieve this, A/B testing allows you to make the whole out from current traffic and assists in expanding conversions without spending an extra amount on getting new traffic. Even though, to get better ROI, A/B testing is an ideal tool testing. And even the slightest changes on the website could bring about a prominent growth in entire business transformations.

3. Decrease Bounce Rate

Bounce rate is amongst the vital metrics to track. There are high chances of numerous purposes behind the high bounce rate of websites. For example, many choices to browse, assumptions mismatch, complex navigation, utilization of excess technical jargon, and others.

Although each website possesses its sole purpose and takes special segments of audiences, there couldn't be a specific answer for reducing bounce rate. Running the A/B test can prove helpful as the A/B testing can test numerous variations of a feature of the website until it helps to examine the ideal version. It will assist in observing friction and pain spots of visitors and further make the visitors invest more energy on the website and change over into paying customers.

4. Low-Risks Modifications

Instead of revamping or recreating the whole webpage, it is wise to make little and gradual changes to the website with A/B testing. Thus, you could diminish the danger of jeopardizing your present conversion rate. Perhaps, A/B testing allows you to focus on your resources for the greatest result with minor adjustments, increasing your ROI. 

You can use the A/B test whenever you look to add something new or remove a product description; you can use the A/B test. The product description changes are a small example of this. You don't know how the visitors on site will respond to the change. Therefore, the A/B test will assist you in examining their response and determining which element they like the most. Hence, A/B testing could be an ideal step.

For instance, a low-risk modification could include presenting a new feature change. Before presenting a new feature, testing it via an A/B test can assist you with getting whether the new change attracts the visitor.

In simple terms, doing a certain change to a website without testing it could end in unexpected results from what you desire in both long and short terms. Thereby, testing and then doing changes can make the result more certain.

5. Accomplish Statistically Greater Improvements

A/B testing completely relies upon the information with no space for assumptions and guesswork; you can rapidly decide a "winner" and a "failure" version in light of genuinely statistically huge enhancements on metrics such as time spent on the page, number of demo demands, cart abandonment ratio, and click-through rate.

6. Redesigning to Uplift Future Business Gains

Upgrading the website can go from a minor CTA text or color change to a specific page or patching up the site. The selection to execute one variant should constantly come from data analysis during A/B testing. Try not to stop testing after the design is finished. Once the updated version goes live, test other website page elements to guarantee that the most captivating version is served to the guests.

How to Perform the AB Test?

An organized A/B testing system can make marketing attempts more productive by pinpointing the most pivotal pain points that need streamlining. A/B testing is presently creating some distance from being an independent action that is led incredibly unique to a more organized and persistent movement, which is constantly done through an obvious CRO process. 

There are some essential steps to performing A/B testing:

1. Research

You can use Heatmap tool technology to determine where users invest maximum time and check their browsing patterns. It will help recognize pain points on your site. Adding website user surveys is another great tool. The surveys can be a primary conduit between the website and the end-users.

Further, the session recording tool will help get qualitative insights that gather user behavior data, which helps recognize holes in the user experience. Thus, both quantitative and qualitative research could assist in creating new steps for the process and making the next step more operational.

2. Observe and Form a Hypothesis 

Draw nearer to your business objectives by logging research perceptions and making information-backed hypotheses pointed toward expanding changes. In the absence of these, your test resembles an aimless compass. You can collect the user's browsing behaviors with quantitative and qualitative tools. From that point, you presently must examine and figure out that information. The ideal way to use all of the information examined is to analyze it, create observations, and afterward, draw sites and user experiences to plan data-backed hypotheses. When you have a theory prepared, test it against different boundaries, such as confidence in its whining and its effect on macro objectives, and it is so natural to set up.

3. Create Variations

The further step is the testing stage, where you could create different variations based on your theory and A/B test it against the current version (control). You have the choice to compare numerous versions with the "control" to see which one works best. From a UX perspective, make a variation given your hypothesis. For instance, don't use your forms, or does the form have many fields? Or it is asking for personal information. Perhaps you can attempt a variety with a more limited form or one more version by precluding fields that request personal data.

4. Run Test

Prior to running the test, make sure to choose a specific method of test based on the aims of your website or page. After that, shoot the test and wait for a certain time frame to get statistically significant results. However, no matter which test method you adopt, the results will be based on the test method and statistical accuracy. 

However, make sure to mark one condition of counting figures on the website, such as figuring out the test duration considering the monthly visitors, conversion rate, and numerous variations you included in the test.

5. Examine Results & Deploy Changes

You will find your winner in the results; however, examining the outcomes is crucial. Since A/B testing includes persistent information gathering and investigation, it is in this progression that your whole journey unravels. Once you conclude the result, carefully examine the test results by considering metrics like rate increment, certainty level, and impact on the metrics. Once you consider these figures, deploy the "winning" version of the test to succeed. However, in any case, if it stays uncertain, get insights from the result, and execute these in the next tests.


The comprehensive guide on A/B testing must be fully prepared to design your streamlining roadmap. Undoubtedly, to improve your website’s conversion rate, A/B testing is essential. However, it is crucial to follow each step tenaciously and carefully examine all possible major and minor errors that could come along the way if you don't give importance to the information.

With dedication and appropriate knowledge, A/B testing can lessen a great deal of risk implied while working on an optimization program. Moreover, It will assist you in further developing the website's UX by taking out every failure and tracking down the most optimized version.


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