TrustRadius: an HG Insights company

Optimizely Web Experimentation Reviews & Insights

Score8.7 out of 10

580 Reviews and Ratings

Top industries

Based on 45 HG Insights installations.

Community Insights for Optimizely Web Experimentation

Synthesised from 44 verified reviews.


Synthesised from 44 reviews


This product assessment is based on a synthesis of 44 recent reviews of Optimizely Web Experimentation across seven dimensions. Optimizely Web Experimentation is primarily used for A/B testing (48% of reviewers), with the goal of improving conversion rates (32%). Users run experiments on website content, layouts, and calls to action (25%). The platform addresses business problems like optimizing user acquisition, growing revenue, and increasing user engagement (20%). A key benefit cited by many users (41%) is the comprehensive nature of the platform, streamlining workflows by managing experimentation projects within a single environment. This centralization saves time and effort (23%) by enabling quick design, launch, and analysis of experiments. Optimizely also facilitates informed decision-making by providing insights into design impact and mitigating risks (25%).

However, a notable concern is the dependency on developers and the complexity of setting up custom metrics and implementing JavaScript (20%). Some users also report a steep learning curve, particularly for non-technical users (11%), and difficulties with onboarding. Reporting and data visualization are also areas for improvement, with users citing difficulties in setup and a lack of visual charts and graphs (11%). Integration issues, particularly with Google Analytics and JIRA, are also mentioned (11%). While many users realize a positive ROI through increased conversions and revenue (45%), a few are still in the early stages of implementation (5%).

Optimizely Web Experimentation is often used in conjunction with other Optimizely products (32%) to enhance user experience and improve conversion rates. Google Analytics is the most frequently used complementary tool (30%). Alternatives like Google Optimize (9%) and VWO (7%) have also been evaluated by some users.


  • Comprehensive platform streamlines experimentation workflows, saving time and effort (41% and 23% respectively).
  • Facilitates data-driven decisions and faster iteration through integrated analytics (20%).
  • Enables A/B testing to improve conversion rates and revenue (45%).
  • Helps avoid investments in unvalidated features, saving time and money (32%).
  • Supports informed decision-making and risk mitigation through experimentation insights (25%).
  • High developer dependency and complexity in setting up custom metrics and JavaScript implementation (20%).
  • Steep learning curve and onboarding difficulties, especially for non-technical users (11%).
  • Reporting and data visualization limitations, lacking visual charts and graphs (11%).
  • Integration challenges, particularly with Google Analytics and JIRA (11%).
  • Cost concerns, especially for smaller businesses or teams (7%).

A/B Testing

21 mentions

Positive reviews by 100% of reviewers


Why it matters:

  • A/B testing is a prominent use case for Optimizely Web Experimentation, with many reviewers leveraging the platform to test different variations of web pages and content. The goal is to identify changes that can positively impact key performance indicators like revenue, customer acquisition, and conversion rates. Reviewers appreciate the ability to run multiple tests and analyze the results to optimize their online strategies.

We are in the process of setting up Optimizely Web Experimentation to be used for marketers for AB testing and personalization across CapitalOne pre-authenticated website.

Increased Conversions/Revenue

20 mentions

Positive reviews by 100% of reviewers


Why it matters:

  • A significant number of reviewers, 45% (20 of 44), report that Optimizely Web Experimentation has positively impacted their ROI by increasing conversions and revenue. This is attributed to the platform's ability to enhance conversion rates through A/B testing, leading to measurable increases in free-to-paid upgrades and overall revenue growth. Reviewers also appreciate the ability to make data-driven decisions based on experiment results, which helps them optimize user journeys and boost revenue.

Optimizely has positively impacted our ROI, mainly by enhancing conversion rates and easing our experimentation process. Optimizes the user journeys through A/B tests; we’ve successfully achieved, on average, a 10-15% increase in conversion rates on key pages, which results in directly boosting revenue.

All-in-one platform

18 mentions

Positive reviews by 100% of reviewers


Why it matters:

  • A substantial number of reviewers, 41% (18 of 44), value the all-in-one nature of Optimizely Web Experimentation because it centralizes testing, personalization, design, and analysis tools. This consolidation allows teams to focus on a single platform for running experimental campaigns, fostering collaboration and streamlining workflows by eliminating the need to juggle multiple tools.

The tool is great for collaboration. It's really nice not having to have developers make new experiences on a separate page or environment.

Loading Reviews List....