A/B testing analytics to increase CRO

The fundamentals of A/B testing 


A/B testing permits the analytics of two or more versions of a website by displaying them to the same audience. Then, you can adopt the strategy with the higher conversion rate.

The optimization of your website’s conversion rate is an objective procedure, thus you will need to plan your testing thoroughly beforehand. Prioritize testing possibilities based on a well-formulated hypothesis.

Conducting a test

If you end your test too early or too late, the findings may be inconclusive. To determine the optimal duration for your experiments, you must consider traffic and statistical significance. Typically, a significance level of 95% is regarded as an excellent cutoff for concluding a test.

Elements to test

As previously said, you may test each aspect of your website that drives visitors through the conversion funnel. You can optimise website copy, photos, videos, headlines, calls-to-action, links, and web forms, among other elements. Advanced assessments may encompass the length, depth, placement, pricing, and navigation of the information. Determine which content assets to test first based on their importance and visibility.

Tips of the trade and CRO best practices

You may be wondering what CRO marketing experts take into consideration. Are there best practises that you should be aware of? Keep in mind that CRO is a mentality. It goes beyond A/B testing, user testing, and colour theory. CRO involves understanding the psychology and thought processes of your users. If you haven’t done, you should consider establishing personas that depict your ideal users’ interests, traits, and pain concerns.


Using data and a scientific approach is the second most important aspect of CRO marketing, after psychology. Testing, heatmaps, website analytics, and other approaches supply you with an abundance of data; the challenge is what to do with it. Consider producing data visualisations and graphs to gain a comprehensive understanding of your website’s activity. Advanced analytics technologies can provide you with profound insights that will assist you in making better decisions.

Five Errors to Avoid When Conducting CRO

When learning CRO for the first time, you may be apprehensive about making mistakes, as with any other new ability. Here are five frequent errors that newcomers to CRO sometimes make, along with advice on how to avoid them.

Conducting Tests at the Incorrect Time of Year

Seasonality is a true phenomenon, and doing testing during atypical times can lead to inaccurate results. Specifically, you should avoid times when many individuals are on vacation (such as August or late December).

If you work in a seasonal business, it is even more crucial to consider the timing of your tests.

Considering CRO as a “One-Time Event”

Noting that CRO is an ongoing activity and not something you can “do” once and be done with is essential. Your CRO initiatives should be ongoing because your business, industry, and customers may evolve over time.

Utilizing Insufficient Sample Size

A second error in CRO is utilising a too-small sample size for user testing. Since it might be challenging to contact users and persuade them to engage in a test, it may be appealing to ask only a few users for their feedback. The problem is that the less probable it is that your results are statistically significant, the smaller your sample size.

How large should the sample size be? According to the Nielsen Norman Group, a qualitative study requires at least five participants while a quantitative study requires at least twenty. You will see that the numbers for the two types of studies are considerably different. Smaller groups are less likely to be statistically relevant , yet their insights can still be useful for your research.


Considering CRO to Be Just A/B Testing

Associating the entire field of CRO with only a single form of testing is an additional classic error. CRO and A/B testing are analogous to UX and wireframing, and SEO and keyword research, respectively. These techniques are a part of the discipline, but they do not comprise the whole.

To fully comprehend CRO, you must have a general understanding of digital marketing. Included in this are user psychology, research methods, and the marketing funnel.

Prioritizing “Common Sense” Over Information

The final aspect of CRO to avoid is creating assumptions. There is unavoidable subjectivity involved in optimizing conversion rates and you will likely choose your preferred colours, designs, and copy at various points. The goal is not to eliminate subjectivity totally; rather, it is to always test and consider what the evidence indicates.

If a particular version of your landing page, newsletter, or ad outperforms your favoured version, it is essential to determine why. Some aspects of your desired version may make it difficult to use.  CRO should be a rigorous procedure that gives these insights if performed properly.

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