10 ferramentas de testes A/B de websites para utilizar em experiências melhores em 2026

Avaliações de ferramentas de testes A/B de websites

1. 

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   Convert Experiences

   Best for statistical rigor across test types

   • 15-day free trial + free demo available
   • From $420/month (billed annually)

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   Customer Rating:4.6/5This rating combines scores from multiple user review sites to reflect overall customer sentiment about the product.

   

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   Convert Experiences is a website A/B testing platform that supports A/B, split URL, multivariate, and multi-page experiments through a visual editor and code editor, with a choice of Frequentist, Bayesian, and sequential statistical engines, plus server-side testing and feature flags via Full Stack.

   Who Is Convert Experiences Best For?

   Convert Experiences is a strong fit for CRO specialists and growth marketers who need flexibility in how they evaluate test results—whether that means Frequentist, Bayesian, or sequential testing.

   Why I Picked Convert Experiences

   Convert Experiences earns its spot on my shortlist because no other tool at this price point gives you three fully functional statistical engines: Frequentist, Bayesian, and sequential testing. I particularly like the sequential engine, which uses Asymptotic Confidence Sequences so you can check results as they come in without inflating false positives. Pair that with multi-armed bandit auto-allocation using Thompson Sampling, and you've got a setup that's genuinely rigorous whether you're running a careful hypothesis test or optimizing traffic in real time.

   Convert Experiences Key Features

   • Multi-armed bandit auto-allocation: Automatically shifts traffic toward better-performing variants using Thompson Sampling, Epsilon-Greedy, or UCB strategies.
   • Sample ratio mismatch (SRM) checks: Runs a chi-square test at 99% confidence to detect imbalances in how visitors are distributed across variants.
   • Convert Signals® session replay: Flags sessions showing friction signals—like rage clicks, hesitation, and abandonment—broken down by variation.
   • Full Stack SDKs: Lets you run server-side experiments and manage feature flags across web and mobile apps using six language SDKs.

   Convert Experiences Integrations

   Convert Experiences offers 90+ integrations, including GA4, Adobe Analytics, Amplitude, Segment, Tealium, HubSpot, Salesforce, Shopify, Hotjar, and Microsoft Clarity. REST API access and webhooks support custom data connections.

   Pros and Cons

   Pros:

   • Flicker-free delivery protects experiment validity
   • Bandit allocation adapts traffic toward better variants
   • Three statistical engines support rigorous test decisions

   Cons:

   • Advanced experiments require technical implementation skills
   • Segmentation reports limit cross-variant analysis
   Learn more about Convert Experiences:

   • Check out Convert Experiences on their website
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   2

   Amplitude

   Best for actionable cohort-based insights

   • Free plan + free demo available
   • Pricing upon request

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   Customer Rating:4.5/5This rating combines scores from multiple user review sites to reflect overall customer sentiment about the product.

   

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   Amplitude is an analytics-native A/B testing platform that combines a no-code visual editor for web experiments with server-side feature experimentation, behavioral cohort targeting, and built-in session replay and heatmaps.

   Who Is Amplitude Best For?

   Amplitude is a strong fit for product and growth teams that already live inside Amplitude Analytics and want experimentation tied directly to behavioral cohorts and event data.

   Why I Picked Amplitude

   Amplitude earns its spot on my shortlist because its behavioral cohort targeting ties directly into the same analytics data powering your broader product insights. I love that you can target an experiment to a cohort built from real event sequences, like users who triggered a specific funnel step in the last 30 days, without any data stitching. The statistical engine backs that up with sequential testing, CUPED variance reduction, and SRM checks baked in, so results you act on are actually trustworthy.

   Amplitude Key Features

   • Visual experiment builder: A no-code editor lets you select, edit, move, hide, or restyle any page element directly without touching code.
   • AI Stylizer: A built-in AI tool that accepts natural-language prompts to rewrite copy, apply brand styling, and generate multiple variants inside the editor.
   • URL redirect variants: Lets you run split-URL and landing page tests, with query parameter carryover and built-in SEO guidance.
   • Session Replay and Heatmaps: Native qualitative tools that let you filter replays and heatmaps by experiment group to understand why a variant performed the way it did.

   Amplitude Integrations

   Amplitude documents 159+ integrations, including Segment, Tealium, HubSpot, GA4, BigQuery, LaunchDarkly, and Optimizely. Its cohort, webhook, and CI/CD APIs support custom data connections and experiment rollouts.

   Pros and Cons

   Pros:

   • Session replays explain why variants convert
   • Statistical safeguards support trustworthy experiment decisions
   • Cohort targeting connects directly to analytics

   Cons:

   • Some reviewers report slow support responses
   • Closed shadow DOM limits visual edits
   Learn more about Amplitude:

   • Check out Amplitude on their website
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   3

   Omniconvert

   Best for ecommerce growth experimentation

   • 30-day free trial + free demo available
   • From $350/100k users/month

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   Customer Rating:4.4/5This rating combines scores from multiple user review sites to reflect overall customer sentiment about the product.

   

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   Omniconvert Explore is a website A/B testing and CRO platform built for ecommerce teams, offering client-side, server-side, and split URL testing alongside multivariate experiments, 40+ segmentation parameters, and dual Bayesian/Frequentist statistical engines.

   Who Is Omniconvert Best For?

   Omniconvert is a strong fit for ecommerce teams that need revenue-focused experimentation, from CRO specialists running segmented tests to growth marketers optimizing checkout and post-purchase flows.

   Why I Picked Omniconvert

   I've included Omniconvert in my top picks because it's built specifically for ecommerce growth experimentation in a way that most A/B testing tools aren't. Its 40+ segmentation parameters let you target by RFM score, CLV, and cart value, so you can run a test on high-value returning customers at checkout without touching your general traffic. I also rate its dual Bayesian and Frequentist statistical engines highly, since you can run both on the same test and see chance-to-win metrics alongside classical significance.

   Omniconvert Key Features

   • AI prompt-to-code builder: Describe a variation in plain English and Omniconvert writes, checks, and previews the experiment code automatically.
   • Stacked testing: The winning variation becomes the new control without any developer involvement, so you can run sequential tests continuously.
   • Mutually exclusive experiment groups: Assign visitors to separate, non-overlapping test groups to prevent experiments from interfering with each other's results.
   • Server-side testing: Run experiments on pricing logic, checkout flows, and algorithms via a PHP SDK, with Redis caching and full goal tracking.

   Omniconvert Integrations

   Omniconvert has native integrations with GA4, Google Tag Manager, Shopify, Magento, BigCommerce, Klaviyo, Salesforce, and Hotjar. It also offers a REST API for custom integrations and Zapier connectivity.

   Pros and Cons

   Pros:

   • Granular RFM and CLV audience targeting
   • Bayesian and Frequentist results support cross-checking
   • Revenue and AOV reporting guides ecommerce decisions

   Cons:

   • No native heatmaps or session replay
   • Complex custom campaigns can become buggy
   Learn more about Omniconvert:

   • Check out Omniconvert on their website
4. 

   4

   Adobe Target

   Best for enterprise-level personalization

   • Free demo available
   • Pricing upon request

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   Adobe Target is an enterprise A/B testing and personalization platform that supports A/B/n, multivariate, and multipage testing alongside AI-driven traffic allocation, audience targeting, and server-side feature-flag experimentation.

   Who Is Adobe Target Best For?

   Adobe Target is a strong fit for large enterprises with dedicated implementation teams running high-volume, cross-channel personalization programs.

   Why I Picked Adobe Target

   Adobe Target earns its spot on my shortlist because its AI-driven personalization goes beyond standard A/B testing. I'm particularly impressed by Auto-Target, which uses machine learning to serve the best experience to each individual visitor in real time, and by Automated Personalization, which builds separate models per visitor profile. The Experimentation Accelerator also analyzes past test results to generate prioritized test ideas automatically, which speeds up planning significantly.

   Adobe Target Key Features

   • Multipage activity testing: Build and test experiences across multiple connected pages, like homepage to category to product, within a single activity.
   • Auto-Allocate traffic control: Automatically shifts traffic toward better-performing variations every two hours using a multi-armed bandit approach.
   • Dual statistical methods: Applies Bayesian analysis for conversion goals and Welch's t-test for revenue and engagement metrics, with continuous monitoring and no early-stopping penalty.
   • Enterprise user permissions: Restrict view, edit, approve, and publish rights by region, environment, or channel through role-based Product Profiles.

   Adobe Target Integrations

   Adobe Target offers native integrations with Adobe Analytics, Customer Journey Analytics, Real-Time CDP, Adobe Journey Optimizer, Adobe Experience Manager, and Audience Manager. It also supports custom integrations through its APIs, at.js, Web SDK, and Node.js and Java SDKs.

   Pros and Cons

   Pros:

   • Multipage funnel testing supports complex journeys
   • Auto-Allocate shifts traffic toward winners
   • Bayesian and frequentist result analysis

   Cons:

   • SPA experiments require technical implementation work
   • Visual editor struggles with complex changes
   Learn more about Adobe Target :

   • Check out Adobe Target on their website
   • Explore best alternatives to Adobe Target
5. 

   5

   Statsig

   Best for engineering-centric experimentation workflows

   • Free plan available
   • From $150/month

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   Statsig is a feature flagging and experimentation platform that combines A/B testing, server-side and client-side experiments, audience targeting, a statistical analysis engine, and built-in session replay and product analytics.

   Who Is Statsig Best For?

   Statsig is a strong fit for product and engineering teams that want to run rigorous, code-first experiments alongside feature flagging in a single platform.

   Why I Picked Statsig

   I picked Statsig as one of the best because its statistical engine is genuinely unlike what most A/B testing tools offer. You get Bayesian and frequentist analysis in the same platform, plus CUPED variance reduction, sequential testing, and automatic detection of heterogeneous effects across segments. I've found that kind of depth invaluable when running server-side experiments on checkout flows or feature rollouts where a weak stats layer leads to bad ship decisions.

   Statsig Key Features

   • Audience targeting rules: Layer targeting conditions by URL pattern, country, device type, browser, and custom user attributes to control exactly who sees each experiment.
   • Traffic allocation and layers: Assign percentage-based rollouts and use experiment layers to prevent concurrent tests from interfering with each other.
   • Autocapture for web events: Automatically capture clicks, page views, and Core Web Vitals without custom instrumentation, then use them directly as experiment metrics.
   • Session replay with experiment context: Replay individual user sessions tagged with which experiment variant they were exposed to, so you can investigate unexpected results visually.

   Statsig Integrations

   Statsig offers documented integrations with Amplitude, Mixpanel, Google Analytics, Segment, Snowflake, BigQuery, Datadog, Jira, Slack, and GitHub. It also supports a data export API and webhooks for custom connectivity.

   Pros and Cons

   Pros:

   • Flags connect rollouts with website experiments
   • CUPED reduces variance in noisy tests
   • Deep Bayesian and frequentist experiment analysis

   Cons:

   • SPA targeting still requires JavaScript configuration
   • Visual Editor supports only basic page edits
   Learn more about Statsig:

   • Check out Statsig on their website
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   6

   Kameleoon

   Best for AI-driven test ideation at scale

   • 30-day free trial + free demo available
   • From $495/month

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   Customer Rating:4.7/5This rating combines scores from multiple user review sites to reflect overall customer sentiment about the product.

   

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   Kameleoon is a website A/B testing and experimentation platform that combines an AI-driven prompt-based builder, a visual editor, server-side testing, feature flags, and audience personalization into a single tool.

   Who Is Kameleoon Best For?

   Kameleoon is a strong fit for product and growth teams at mid-market to enterprise companies that need to run high-volume experiments across web and product surfaces without bottlenecking developers.

   Why I Picked Kameleoon

   Kameleoon earns its spot on my shortlist because its Prompt-Based Experimentation (PBX) genuinely changes how fast you can get tests live. I love that the Ideate agent pulls from over 25,000 historical experiments to suggest ranked test ideas, each with a confidence score and projected uplift, so you're not starting from a blank page. The Build agent then reads your entire site, not just the current page, and turns a plain-language description into a live variation in minutes.

   Kameleoon Key Features

   • Statistical engine: Combines Bayesian and Frequentist methods, CUPED variance reduction, sequential testing, and automatic SRM detection in one built-in results engine.
   • Multi-page experiment type: Tests full visitor journeys—like checkout flows or multi-step signups—as a single experiment, with flexible URL and element-based page targeting.
   • Audience segmentation builder: Lets you build segments from 40+ behavioral and contextual criteria, with support for CDP and data warehouse sync for richer targeting.
   • Feature flags with rollback: Supports percentage-based rollouts across unlimited environments, with automatic rollback triggered when KPIs drop below set thresholds.

   Kameleoon Integrations

   Kameleoon offers 100+ native integrations, including Google Analytics, Adobe Analytics, Amplitude, Contentsquare, Hotjar, Segment, Snowflake, Google Tag Manager, and Figma. JavaScript, Data, Automation, and MCP APIs support custom integrations and developer workflows.

   Pros and Cons

   Pros:

   • Statistical safeguards catch SRM and test interactions
   • PBX creates complex variations from prompts
   • AI ranks test ideas with confidence scores

   Cons:

   • Native heatmaps and session replay are absent
   • Graphic editor challenges nontechnical optimization teams
   Learn more about Kameleoon:

   • Check out Kameleoon on their website
7. 

   7

   AB Tasty

   Best for marketing-led emotion-based targeting

   • 30-day free trial + demo available
   • Pricing upon request

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   Customer Rating:4.5/5This rating combines scores from multiple user review sites to reflect overall customer sentiment about the product.

   

   AB Tasty is a website A/B testing and experimentation platform that combines a visual editor, multipage and multivariate testing, EmotionsAI-powered audience segmentation, and server-side feature flags in one tool.

   Who Is AB Tasty Best For?

   AB Tasty is a strong fit for growth marketers and CRO teams who want to run emotion-based audience targeting and personalization campaigns without relying heavily on developers.

   Why I Picked AB Tasty

   I've included AB Tasty in my top picks because its EmotionsAI segmentation does something most A/B testing tools can't: it groups visitors by emotional state, like frustration, enthusiasm, or hesitation, and lets you serve different test variations to each segment. Pair that with multipage campaign testing across full funnel journeys (home to product page to checkout) and you get experiments that reflect how real buyers actually behave. I especially like that Bayesian stats with Chance to Win and automatic Bonferroni correction are built in, so results from multi-variation emotion-targeted tests stay statistically sound.

   AB Tasty Key Features

   • Visual WYSIWYG editor: A no-code editor lets you modify copy, layouts, CTAs, and page elements across A/B, split, multipage, and multivariate campaign types without developer support.
   • Dynamic traffic allocation: A multi-armed bandit option automatically shifts new traffic toward the best-performing variation based on a primary conversion goal.
   • Guardrail metrics: Pro and above let you define guardrail metrics that flag when a winning variation is hurting a secondary KPI, keeping rollout decisions grounded in full-funnel data.
   • Server-side feature flags: Open-source SDKs across 10+ languages enable sub-millisecond flag evaluation, with OpenFeature compliance and support for staged rollouts and auto-killswitches.

   AB Tasty Integrations

   AB Tasty offers native integrations with GA4, Adobe Analytics, Segment, BigQuery, Snowflake, Shopify, Salesforce Commerce Cloud, OneTrust, Jira, and Slack. Enterprise plans include REST API access for custom integrations, and Zapier is also supported.

   Pros and Cons

   Pros:

   • Multipage testing follows complete buyer journeys
   • Visual widgets speed campaign launches
   • Emotion-based segments sharpen audience-specific experiments

   Cons:

   • Client-side rendering can cause visible flicker
   • Advanced controls require higher-tier plans
   Learn more about AB Tasty:

   • Check out AB Tasty on their website
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   8

   VWO

   Best for all-in-one behavioral and test analytics

   • 30-day free trial + free demo available
   • Pricing upon request

   Visit Website

   Customer Rating:4.3/5This rating combines scores from multiple user review sites to reflect overall customer sentiment about the product.

   

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   VWO is a digital experience optimization platform that combines A/B, split URL, and multivariate testing with behavioral analytics tools like heatmaps, session recordings, and surveys, alongside server-side feature experimentation and AI-assisted test ideation.

   Who Is VWO Best For?

   VWO is a strong fit for mid-market and enterprise product and growth teams that want testing, behavioral analytics, and feature experimentation in a single platform.

   Why I Picked VWO

   VWO earns its spot on my shortlist because it's the only tool that pulls behavioral analytics and experiment data into one place, so I'm not juggling Hotjar alongside a separate testing platform. I particularly like SmartStats, VWO's Bayesian engine, which applies guardrail metrics and SRM detection to automatically flag unhealthy tests before bad data drives a bad call. The Wingz AI layer adds another dimension I find genuinely useful: it reads session recordings, heatmaps, and funnel data to surface hypotheses, then builds and QA-checks variations before launch.

   VWO Key Features

   • Multi-armed bandit traffic allocation: Automatically shifts traffic toward better-performing variations using Thompson Sampling and epsilon-greedy methods, without waiting for a test to end.
   • Mutually exclusive groups: Prevents test collisions by ensuring visitors are only ever assigned to one experiment at a time across concurrent campaigns.
   • Session recording filters by variation: Lets you replay sessions segmented by which test variation a visitor saw, directly inside the platform.
   • Split URL testing: Runs experiments across entirely separate URLs, making it practical for testing major redesigns or alternate page flows.

   VWO Integrations

   VWO lists 54 documented integrations, including GA4, Adobe Analytics, Amplitude, Mixpanel, HubSpot, Salesforce, Shopify, Segment, FullStory, and Google Tag Manager. Its REST API and 10+ SDKs support custom integrations.

   Pros and Cons

   Pros:

   • Behavioral analytics inform stronger test hypotheses
   • AI generates and QA-checks test variations
   • SmartStats flags unhealthy experiments early

   Cons:

   • Funnel tracking follows rigid step sequences
   • Visual editor glitches on dynamic pages
   Learn more about VWO:

   • Check out VWO on their website
9. 

   9

   GrowthBook

   Best for open-source warehouse-native experimentation

   • Free plan + free demo available
   • From $40/user/month

   Visit Website

   

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   GrowthBook is an open-source A/B testing and feature flagging platform that supports visual experiment building, a Bayesian and frequentist statistical engine, audience targeting, multi-armed bandits, and warehouse-native data integration.

   Who Is GrowthBook Best For?

   GrowthBook is a strong fit for technically sophisticated product and engineering teams that want to run rigorous experiments without sending user data to a third-party platform.

   Why I Picked GrowthBook

   GrowthBook earns its spot on my shortlist because it's built from the ground up for teams that need experiment data to stay inside their own warehouse. I love that it runs SELECT-only queries against Snowflake, BigQuery, or Redshift, so no raw user data ever leaves your infrastructure. Pair that with a Bayesian and frequentist stats engine that includes CUPED variance reduction and automatic SRM checks, and you get genuinely rigorous results without a third-party data handoff.

   GrowthBook Key Features

   • AI Visual Editor: A Chrome side-panel tool that lets you build test variations using plain-language prompts or point-and-click editing, without writing code.
   • Sticky bucketing: Keeps users in the same variation if rollout percentages or targeting rules change mid-experiment, using cookies, localStorage, or Redis.
   • Multi-armed bandits: Automatically shifts traffic toward better-performing variations using Thompson sampling, while keeping every variation at a minimum of 1% traffic.
   • Dimension breakdowns: Slice experiment results by attributes like browser or country directly in the results tab, with high-cardinality dimensions grouped automatically.

   GrowthBook Integrations

   GrowthBook integrates with Snowflake, BigQuery, Redshift, Databricks, GA4, Segment, Rudderstack, Firebase, FullStory, and Microsoft Clarity. It also offers REST API access, webhooks, a CLI, and an MCP server for custom workflows.

   Pros and Cons

   Pros:

   • Traffic allocation includes Thompson-sampling bandits
   • Warehouse-native privacy controls
   • Deep Bayesian and frequentist experiment analysis

   Cons:

   • Client-rendered SPAs can flicker
   • Visual editor requires developer setup
   Learn more about GrowthBook:

   • Check out GrowthBook on their website
10. 

    10

    Optimizely Web Experimentation

    Best for multivariate testing at scale

    • Free demo available
    • Pricing upon request

    Visit Website

    

    Optimizely Web Experimentation is a website A/B testing platform that supports A/B/n, multivariate, multi-page, and bandit-based tests through a visual editor, AI-assisted variation building, advanced statistical analysis, and audience targeting tools.

    Who Is Optimizely Web Experimentation Best For?

    Optimizely Web Experimentation is a strong fit for enterprise teams running high-volume experiment programs that demand rigorous statistical controls and complex multivariate test designs.

    Why I Picked Optimizely Web Experimentation

    Optimizely Web Experimentation earns its spot on my shortlist because of how thoroughly it handles multivariate testing at scale. I love that it supports full and partial factorial MVT designs with up to 64 combinations, plus section rollups that let individual test sections reach significance faster with less traffic. Its Stats Accelerator uses a bandit-based approach to automatically shift traffic toward winning variations hourly, so large-scale tests don't stall waiting for results.

    Optimizely Web Experimentation Key Features

    • Visual overlay editor: Edit variations directly on your live site without an iframe, using a no-code interface with AI-assisted element creation via Opal.
    • Audience Builder: Define test audiences with AND/OR logic across behavioral, geographic, cookie, and custom attribute conditions, plus a code mode for custom JSON rules.
    • Multi-page funnel testing: Run tests across unlimited pages while keeping each visitor in a consistent variation throughout the entire funnel.
    • Stats Accelerator: Automatically shifts traffic toward better-performing variations hourly using an Upper Confidence Bound bandit approach.

    Optimizely Web Experimentation Integrations

    Optimizely Web Experimentation connects with Google Analytics 4, Google Tag Manager, Amplitude, Contentsquare, Hotjar, Mouseflow, SessionCam, Segment, and Fivetran through native, add-on, or third-party connectors. REST and JavaScript APIs support custom integrations.

    Pros and Cons

    Pros:

    • Section rollups reduce traffic requirements for MVTs
    • Stats Engine supports peeking without invalidating results
    • Handles multivariate tests with 64 combinations

    Cons:

    • Audience segmentation loses statistical error controls
    • Dynamic React sites can create code conflicts
    Learn more about Optimizely Web Experimentation:

    • Check out Optimizely Web Experimentation on their website