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Get to know usMarch 26, 2026
A/B testing is one of the most important tools for optimizing websites, functions or even marketing elements and campaigns: By comparing different versions, teams find out which version delivers the best results.
However, in the fast-moving digital landscape, simple comparisons and the basics of A/B testing are no longer enough. In order to exploit all possibilities and adapt the optimization strategy in a targeted manner, intelligent functions are needed that provide valid, fast and precise insights for data-based decisions. This is where Optimizely One comes into play.
With advanced functions for A/B testing and modular components for different use cases, Optimizely One offers a comprehensive Digital Experience Platform (DXP). In the background, the integrated AI layer supports Opal with specialized AI agents. These simplify, for example, the creation of on-brand content and the development and execution of effective tests. Together with the AI, the consolidated tools in Optimizely One accelerate innovation, reduce operational complexity and increase productivity in marketing, sales, service and commerce.
Depending on the area of application and degree of automation, Opal’s AI agents take on individual tasks or orchestrate entire process steps:
By using these agents, the entire A/B testing process is measurably simplified and accelerated – from hypothesis generation to setup and evaluation. Opal takes care of the operational details, while teams can concentrate on strategic decisions.
More effective tests, more precise results and faster innovation: Optimizely One’s advanced features raise the bar for successful A/B testing and help achieve optimization goals more efficiently. The following key features make the difference:
The rapid introduction of new functions is crucial in agile software development. The “Feature Experimentation” and “Feature Flags” tools make it easier for development and product teams to measure and manage the impact of innovations:
Instead of releasing a new feature to all users at the same time, they can be rolled out gradually to specific user segments. This minimizes risks and makes it possible to monitor the performance of newly introduced functions in real time. If something does not work as expected, the function can be deactivated without having to roll back the entire code. In this way, Optimizely One accelerates the innovation cycle and ensures that only the best functions go into production.
The flexibility to carry out A/B tests across different channels and technologies is a key advantage of Optimizely One. The platform supports both server-side and client-side testing:
This dual capability allows tests to be executed where it makes the most sense.
Multivariate tests (MVT) make it possible to test several variables simultaneously in order to find optimal combinations. Instead of just changing a single element, for example, several content-relevant aspects can be varied at the same time, such as the order of USPs and their presentation with or without icons. This makes it possible to precisely analyze which combination achieves the best conversion.
Multivariate A/B testing is particularly useful for understanding the interaction between different elements and solving complex optimization problems. Optimizely One simplifies the setup and analysis of such tests so that teams get meaningful results faster.
Optimizely One’s statistics engine is designed to increase the reliability of results and minimize misinterpretations. For example, it helps to avoid common pitfalls such as “peeking”, which can lead to incorrect conclusions. At the same time, the engine reduces test duration, enables more efficient execution and faster iterations. With advanced methods such as sequential testing, decisions can be made as soon as a statistically relevant value is reached, without having to wait for a fixed test end.
Optimizely One transforms A/B testing from a simple comparison method to a central lever for innovation and data-based decisions. The modular tools – including content management and marketing, commerce, data and testing – combined with Opal’s AI agents and advanced A/B testing capabilities bring focus, speed and impact to optimization strategies to continuously improve digital products and experiences.
Optimizely One: The AI-powered DXP for content, commerce & CX
Beyond the basics of A/B testing: Optimizely One maximizes the impact of your content, commerce and CX initiatives with AI and customizable components for specific use cases. All benefits at a glance here:
Maria Kern
Senior Frontend Architect & Consultant
valantic
As a digital experience architect, Maria advises companies on the implementation of modern digital experience platforms. With more than 18 years of experience in UX, customer journey and front-end development, she combines strategic marketing thinking with technical architecture expertise. In the area of AI and AI agents, Maria develops practical solutions - from agents with system integrations to AI features in frontends that create tangible added value for end customers. She also supports teams in identifying and implementing specific AI use cases in the area of digital product and experience development.
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