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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Optimizely Feature Experimentation

    Score8.4 out of 10
    N/AOptimizely Feature Experimentation unites feature flagging, A/B testing, and built-in collaboration—so marketers can release, experiment, and optimize with confidence in one platform.N/A

    SiteSpect

    Score8 out of 10
    Enterprise companies (1,001+ employees)
    Key features include: - A/B, split, and multivariate testing campaign management - Targeting and personalization - Front-end usability testing - Back-end testing using Origin Experiments - Site acceleration with SiteSpect AMPS(R) - Mobile site and native app supportN/A
    Pricing
    Optimizely Feature ExperimentationSiteSpect
    Editions & Modules
    No answers on this topic
    SiteSpect Enterprise
    $0
    SiteSpect Cloud
    $0
    Offerings
    Pricing Offerings
    Optimizely Feature ExperimentationSiteSpect
    Free Trial
    NoYes
    Free/Freemium Version
    YesNo
    Premium Consulting/Integration Services
    YesYes
    Entry-level Setup FeeRequiredRequired
    Additional Details——
    More Pricing Information
    Community Pulse
    Optimizely Feature ExperimentationSiteSpect
    Considered Both Products
    Optimizely
    No answer on this topic
    SiteSpect, Inc.
    No answer on this topic
    Key User Insights
    Would buy again
    89%
    Would buy again
    41 Answers
    No answers on this topic
    Delivers good value for the price
    97%
    Delivers good value for the price
    33 Answers
    No answers on this topic
    Happy with the feature set
    91%
    Happy with the feature set
    42 Answers
    No answers on this topic
    Lived up to sales and marketing promises
    88%
    Lived up to sales and marketing promises
    21 Answers
    No answers on this topic
    Implementation went as expected
    80%
    Implementation went as expected
    28 Answers
    No answers on this topic
    Best Alternatives
    Optimizely Feature ExperimentationSiteSpect
    Small Businesses
    No answers on this topic
    Google Optimize
    Score6.7 out of 10
    Medium-sized Companies
    No answers on this topic
    AB Tasty
    Score8.6 out of 10
    Enterprises
    No answers on this topic
    Google Content Experiments (discontinued)
    Score7.3 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Optimizely Feature ExperimentationSiteSpect
    Likelihood to Recommend
    8.2
    (47 ratings)
    6.6
    (9 ratings)
    Likelihood to Renew
    4.5
    (2 ratings)
    9.3
    (7 ratings)
    Usability
    7.6
    (26 ratings)
    -
    (0 ratings)
    Support Rating
    3.6
    (1 ratings)
    10.0
    (1 ratings)
    In-Person Training
    -
    (0 ratings)
    10.0
    (1 ratings)
    Implementation Rating
    10.0
    (1 ratings)
    10.0
    (1 ratings)
    Configurability
    -
    (0 ratings)
    10.0
    (1 ratings)
    Product Scalability
    5.0
    (1 ratings)
    -
    (0 ratings)
    User Testimonials
    Optimizely Feature ExperimentationSiteSpect
    Likelihood to Recommend
    Optimizely
    Based on my experience with Optimizely Feature Experimentation, I can highlight several scenarios where it excels and a few where it may be less suitable. Well-suited scenarios: - Multi-Channel product launches - Complex A/B testing and feature flag management - Gradual rollout and risk mitigation Less suited scenarios: - Simple A/B tests (their Web Experimentation product is probably better for that) - Non-technical team usage -
    Incentivized
    Read full review
    SiteSpect, Inc.
    SiteSpect is great for businesses with available development resources and a need to provide flicker-free performance. Additionally, the month-to-month service model is attractive considering the contract and implementation prices of most of the tool's competitors. If an organization wants to run a lot of tests with a small team of marketers, I wouldn't recommend a tool as complex as SiteSpect. Effective use of the tool requires a lot of technical skill.
    Incentivized
    Read full review
    Pros
    Optimizely
    • It is easy to use any of our product owners, marketers, developers can set up experiments and roll them out with some developer support. So the key thing there is this front end UI easy to use and maybe this will come later, but the new features such as Opal and the analytics or database centric engine is something we're interested in as well.
    Incentivized
    Read full review
    SiteSpect, Inc.
    • It is able to intercept the code from your server, inject your code and then it continues on to the end-user's computer with virtually no speed interruptions.
    • It has several different options for performing A/B tests from regular factors to client-side factors, and origin experiments.
    • It is extremely flexible and configurable for the needs of your company or organization.
    Incentivized
    Read full review
    Cons
    Optimizely
    • Would be nice to able to switch variants between say an MVT to a 50:50 if one of the variants is not performing very well quickly and effectively so can still use the standardised report
    • Interface can feel very bare bones/not very many graphs or visuals, which other providers have to make it a bit more engaging
    • Doesn't show easily what each variant that is live looks like, so can be hard to remember what is actually being shown in each test
    Incentivized
    Read full review
    SiteSpect, Inc.
    • SiteSpect recently came out with a feature to test and optimize mobile applications. I have not used this, but it fills an important capability gap with the product I was using at the time.
    Read full review
    Likelihood to Renew
    Optimizely
    Competitive landscape
    Incentivized
    Read full review
    SiteSpect, Inc.
    Our clients who use our fully managed A/B and Multivariate testing services have been extremely happy with the results. Therefore the D&W and SiteSpect partnership continues to flourish. We have no hesitation in recommending the platform and we will continue to invest in our staff to train on this platform for the foreseeable future
    Read full review
    Usability
    Optimizely
    Easy to navigate the UI. Once you know how to use it, it is very easy to run experiments. And when the experiment is setup, the SDK code variables are generated and available for developers to use immediately so they can quickly build the experiment code
    Incentivized
    Read full review
    SiteSpect, Inc.
    No answers on this topic
    Support Rating
    Optimizely
    Support was there but it was pretty slow at most times. Only after escalation was support really given to our teams
    Incentivized
    Read full review
    SiteSpect, Inc.
    When we have any questions on how the tool can be utilized for some unique requirements, they always make excellent suggestions.
    Read full review
    Implementation Rating
    Optimizely
    It’s straightforward. Docs are well written and I believe there must be a support. But we haven’t used it
    Incentivized
    Read full review
    SiteSpect, Inc.
    Just need to have your requirements ready such as, what you are expecting from the tool, is there anything specific you want regarding reporting, tracking etc.
    Read full review
    Alternatives Considered
    Optimizely
    When Google Optimize goes off we searched for a tool where you can be sure to get a good GA4 implementation and easy to use for IT team and product team. Optimizely Feature Experimentation seems to have a good balance between pricing and capabilities. If you are searching for an experimentation tool and personalization all in one... then maybe these comparison change and Optimizely turns to expensive. In the same way... if you want a server side solution. For us, it will be a challenge in the following years
    Incentivized
    Read full review
    SiteSpect, Inc.
    I have used all the tools in the market. Sitespect kicks them into the curb based on how easy it is to build variations, and hot it doesnt interfere with client load.
    Read full review
    Scalability
    Optimizely
    had troubles with performance for SSR and the React SDK
    Incentivized
    Read full review
    SiteSpect, Inc.
    No answers on this topic
    Return on Investment
    Optimizely
    • We have improved various metrics throughout the course of our experimentation program with Optimizely and therefore sharing numbers is tricky. Essentially we only implement versions of the product that perform the best in terms of CVR, revenue/visitor, ATV, average order value, average basket size and so forth dependent on the north star we are trying to move with each release.
    Incentivized
    Read full review
    SiteSpect, Inc.
    • Easily test and optimize the effectiveness of landing pages, layouts, variations of copy, different offers, photos, navigation elements, links, buttons, and more – all without having to change your existing site.
    Read full review
    ScreenShots

    Optimizely Feature Experimentation Screenshots

    Screenshot of Feature Flag Setup. Here users can run A/B and multi-armed bandit tests, as well as:

- Set up a single feature flag to test multiple variations and experiment types
- Enable targeted deliveries and rollouts for more precise experimentation
- Roll back changes quickly when needed to ensure experiment accuracy and reduce risks
- Increase testing flexibility with control over experiment types and delivery methodsScreenshot of Audience Setup. This is used to target specific user segments for personalized experiments, and:

- Create and customize audiences based on user attributes
- Refine audience segments to ensure the right users are included in tests
- Enhance experiment relevance by setting specific conditions for user groupsScreenshot of Experiment Results, supporting the analysis and optimization of experimentation outcomes. Viewers can also:

- examine detailed experiment results, including key metrics like conversion rates and statistical significance
- Compare variations side-by-side to identify winning treatments
- Use advanced filters to segment and drill down into specific audience or test dataScreenshot of A Program Overview. These offer insights into any experimentation program’s performance. It also offers:

- A comprehensive view of the entire experimentation program’s status and progress
- Monitoring for key performance metrics like test velocity, success rates, and overall impact
- Evaluation of the impact of experiments with easy-to-read visualizations and reporting tools
- Performance tracking of experiments over time to guide decision-making and optimize strategiesScreenshot of AI Variable Suggestions. These enhance experimentation with AI-driven insights, and can also help with:

- Generating multiple content variations with AI to speed up experiment design
- Improving test quality with content suggestions
- Increasing experimentation velocity and achieving better outcomes with AI-powered optimizationScreenshot of Schedule Changes, to streamline experimentation. Users can also:

- Set specific times to toggle flags or rules on/off, ensuring precise control
- Schedule traffic allocation percentages for smooth experiment rollouts
- Increase test velocity and confidence by automating progressive changes