Top 7 A/B testing tools to boost your performance in 2024

Vartika Bansal
Vartika Bansal
April 22, 2025
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A/B testing softwares are complex and it can be tedious to look for the best suited for you until you understand the top capabilities in detail. To solve this problem, here we have collated the list of top 5 CRM tools to boost your performance drawing on our experience, user reviews, and expert insights. All personally vetted for real-world impact.

Unbounce

Unbounce
G2 Logo
4.4
out of
5
Unbounce is a leading solution for creating and optimizing landing pages for marketing campaigns. You can use this tool to design, test, and optimize landing pages to improve conversion rates and drive more leads and sales. Features like drag-and-drop builder and A/B testing will help you create high-converting landing pages and improve your overall marketing performance.
Key features:
  • Drag-and-Drop Builder
    Unbounce offers a user-friendly drag-and-drop builder that allows users to easily create custom landing pages without any coding knowledge. This feature enables marketers and designers to quickly build and iterate on landing page designs, optimizing them for maximum conversion.
  • A/B Testing
    Unbounce provides robust A/B testing capabilities that allow users to test different variations of their landing pages to determine which performs best. Users can create multiple variants of their landing pages and test elements such as headlines, images, calls-to-action, and form fields. This feature helps users identify the most effective elements and strategies for improving conversion rates.
  • Dynamic Text Replacement
    Unbounce includes dynamic text replacement functionality that allows users to create personalized landing pages for different audience segments. This feature dynamically replaces text on the landing page based on parameters such as the keyword used in the search query or the source of traffic. By delivering more relevant and personalized experiences, this feature helps increase conversion rates and improve the effectiveness of marketing campaigns.

Instapage

Instapage
G2 Logo
4.3
out of
5
Instapage is designed to create high-converting landing pages for marketing campaigns. The tool allows you to design, publish, and optimize landing pages without the need for coding knowledge. With key features like drag-and-drop editor and A/B testing, you can effectively increase conversions and drive better results for your marketing campaigns.
Key features:
  • Drag-and-Drop Editor
    Instapage offers a user-friendly drag-and-drop editor that enables users to create and customize landing pages easily. This feature allows marketers and designers to quickly build custom layouts, add content elements, and adjust page designs without any coding skills, resulting in faster page creation and deployment.
  • A/B Testing
    Instapage provides robust A/B testing capabilities that allow users to test different variations of their landing pages to determine which performs best. Users can create multiple variants of their landing pages and test elements such as headlines, images, calls-to-action, and form fields. This feature helps users identify the most effective elements and strategies for improving conversion rates, ultimately driving better results for their marketing campaigns.
  • Personalization
    Instapage includes advanced personalization features that allow users to create dynamic landing pages tailored to specific audience segments. Users can customize content based on parameters such as demographics, referral source, or past behavior, delivering more relevant and targeted experiences to visitors. This feature helps improve engagement and conversion rates by delivering personalized content that resonates with individual visitors.

Leadpages

Leadpages
G2 Logo
4.3
out of
5
Leadpages is purpose-built for creating and optimizing landing pages for lead generation and conversion. This tool is a good choice for small businesses, entrepreneurs, and marketing professionals looking to capture leads, promote products or services, and grow their email list. Using its capabilities like drag-and-drop builder and integration with email marketing platforms, you can easily create high-converting landing pages and seamlessly capture leads to grow your business.
Key features:
  • Lead Capture Forms
    Leadpages offers customizable lead capture forms that allow users to collect valuable information from website visitors. These forms can be easily embedded into landing pages, pop-ups, or websites, and they support various form fields, including name, email, phone number, and more. This feature enables users to capture leads effectively and build their email list for marketing purposes.
  • Conversion-Optimized Templates
    Leadpages provides a wide selection of conversion-optimized templates designed to drive action and increase conversions. These templates are professionally designed and tested to ensure high performance, and they cover a variety of industries and use cases. Users can choose from these templates and customize them to match their branding and campaign goals, saving time and effort in creating effective landing pages.
  • Split Testing (A/B Testing)
    Leadpages includes built-in split testing functionality that allows users to test different variations of their landing pages to determine which performs best. Users can create multiple versions of their landing pages with variations in design, copy, or elements, and the platform will automatically split traffic between them to measure performance. This feature enables users to optimize their landing pages for maximum conversions by identifying the most effective elements and strategies.

VWO (Visual Website Optimizer)

VWO (Visual Website Optimizer)
G2 Logo
4.3
out of
5
VWO (Visual Website Optimizer) can help you optimize and improve the user experience and conversion rates of your website. It's purpose-built for conducting A/B testing, multivariate testing, and website personalization. You can leverage its core capabilities like visual editor and advanced targeting options to enhance testing efficiency and deliver personalized experiences that drive better results.
Key features:
  • Dynamic Heatmaps
    VWO's dynamic heatmaps allow users to visualize user interactions on their website, including clicks, scrolls, and mouse movements. This feature provides valuable insights into user behavior and helps identify areas of high engagement or friction, enabling users to make data-driven decisions to improve website usability and conversion rates.
  • Session Recordings
    VWO provides session recording capabilities that allow users to record and playback individual user sessions on their website. This feature provides a granular view of user interactions and helps users understand how visitors navigate their website, identify usability issues, and optimize the user experience to increase conversions.
  • Funnel Analysis
    VWO offers robust funnel analysis tools that allow users to track and analyze the entire user journey on their website, from initial visit to conversion. This feature enables users to identify drop-off points and optimize the conversion funnel for better performance, ultimately driving higher conversion rates and revenue.

Optimizely

Optimizely
G2 Logo
4.2
out of
5
Optimizely is an ideal tool for conducting A/B testing and experimentation to optimize website and app performance. The platform will help you improve user experience, increase conversions, and drive revenue growth. Some of its core features, like visual editor and targeting options, will go a long way in enhancing testing efficiency and delivering data-driven insights.
Key features:
  • Visual Editor
    Optimizely's visual editor allows users to create and modify experiments without the need for coding knowledge. This feature enables marketers and designers to easily design variations of web pages or app experiences, speeding up the experimentation process and fostering creativity in testing.
  • Targeting Options
    Optimizely provides extensive targeting options that allow users to define specific audience segments for their experiments. Whether based on demographics, behaviors, or custom attributes, this feature ensures that experiments are targeted to the right audience, increasing the relevance and accuracy of test results.
  • Results Analysis
    Optimizely offers robust analytics and reporting tools to analyze experiment results and performance metrics. By tracking key metrics such as conversion rates, engagement, and revenue, users can gain valuable insights into the effectiveness of their experiments and make informed decisions to optimize their digital experiences.

Salesforce Interaction Studio

Salesforce Interaction Studio
G2 Logo
4.4
out of
5
Salesforce Interaction is purpose-built for streamlining customer interactions and managing sales communications. This tool is a good choice for tracking customer interactions, analyzing sales performance, and improving communication efficiency. Using its capabilities like real-time activity tracking and communication history, you can work toward enhancing customer relationships and increasing sales productivity.
Key features:
  • Real-time Activity Tracking
    Salesforce Interaction enables real-time tracking of customer interactions across various channels, including email, phone calls, meetings, and social media. This feature provides sales representatives with up-to-date information on customer engagements, allowing them to respond promptly and effectively to customer inquiries and needs.
  • Communication History
    Salesforce Interaction maintains a comprehensive history of all customer communications and interactions, including emails, calls, and meetings. This feature enables sales teams to access past interactions with customers, review communication logs, and track the progress of deals and opportunities, ensuring transparency and continuity in customer relationships.
  • Integration with Salesforce CRM
    Salesforce Interaction seamlessly integrates with Salesforce CRM, allowing sales representatives to access customer information, manage leads, and update records directly from the communication platform. This integration ensures data consistency and accuracy, streamlines sales workflows, and enhances collaboration across sales teams, ultimately leading to improved sales efficiency and effectiveness.

GlockApps

GlockApps
G2 Logo
4.0
out of
5
GlockApps is a leading solution for email deliverability testing and monitoring. You can use this tool to test and optimize email deliverability, identify issues that may affect inbox placement, and monitor email campaigns' performance. Features like inbox placement testing and spam filter testing will help you maximize email deliverability, improve campaign performance, and reach more recipients' inboxes.
Key features:
  • Inbox Placement Testing
    GlockApps allows you to test your email campaigns' inbox placement across multiple email providers and spam filters. This feature helps you identify deliverability issues and optimize your emails to improve inbox placement and reach more recipients.
  • Spam Filter Testing
    With GlockApps, you can test your emails against various spam filters to identify potential issues that may trigger spam flags. This feature helps you optimize your emails to ensure they pass spam filters and reach recipients' inboxes instead of being flagged as spam.
  • Email Campaign Monitoring
    GlockApps provides comprehensive monitoring tools to track your email campaigns' performance, including delivery rates, open rates, click-through rates, and bounce rates. This feature helps you analyze campaign metrics in real-time and make data-driven decisions to optimize future campaigns for better results.