Best AB Testing Software for Google Tag Manager

Convert Experiences is the A/B testing platform that delivers enterprise-grade experimentation without the enterprise baggage. For over 15 years, Convert has helped growth marketers, e-commerce teams, and agencies run reliable, flicker-free experiments that scale with their business. From classic A/B and multivariate testing to split URL and personalization campaigns, Convert makes experimentation fast, accurate, and frustration-free. With 90+ integrations (Shopify, GA4, WordPress, WooCommerce, Segment, and more), Convert adapts to modern stacks and supports both marketers and developers. Our Visual Editor lets teams launch experiments without waiting on developers, while advanced targeting and revenue tracking ensure clean, trustworthy insights. Privacy is at our core: Convert is GDPR compliant, HIPAA/CCPA-ready, and never resells data. Pricing is transparent, predictable, and fair — no hidden fees or nasty surprises. And when you need help, you’ll find it fast: real human support via live chat, email, and dedicated agency-friendly support. Our SmartInsert technology eliminates flickering across both frontend and backend experiments, while 40+ stackable targeting filters and robust APIs enable sophisticated test deployment. Convert’s comprehensive toolkit includes real-time QA through Live Logs & QA Wizard, built-in hypothesis prioritization frameworks, and automated collision prevention—all backed by expert support to help you launch tests in under 30 minutes.

Split's Feature Data Platform™ allows you to move quickly without breaking anything. Set up feature flags, and deploy them safely to production. You can control who sees what features and when. Connect each flag to contextual data so you can know if the features you are deploying are improving or making things worse. You can then act without hesitation. You can easily conduct feature experiments such as A/B testing without slowing down. Split is a feature-management platform that goes the extra mile with experts to support, online courses that help you learn while you go, and an developer-oriented culture which puts our customers in the center. Split can help you to improve your productivity, reduce your MTTR or ignite your development team without burning it out. Switch to a free account, schedule a demonstration to learn more or contact us with any questions.

Kaption stands out as the premier analytics and feedback platform driven by artificial intelligence, specifically designed for digital marketers. Gain the critical insights necessary to enhance your digital presence and propel your business forward. By removing uncertainty, you can understand the reasons behind user behavior and iterate your strategies at a much quicker pace. One of the most effective ways to influence your audience is to perceive your offerings from their perspective. Have you considered how users navigate your website? With Kaption, you can map out the user journey and identify any obstacles encountered along the way. The path to excellence is paved with accurate information; without data, you are merely relying on luck or making mistakes. Direct your energies towards effective conversion and monitoring strategies. Take advantage of complimentary heatmap analytics to analyze user interaction with every component of your site and its impact on their actions. Identify where users face challenges, boost your conversion rates, and resolve product issues more swiftly with intelligent metadata insights. By doing so, you can ensure that your marketing efforts are both informed and effective.

Varify.io is a cloud-based platform designed for A/B testing and optimizing landing pages, allowing businesses to craft, evaluate, and enhance their website experiences to increase conversion rates, all without requiring any coding expertise. Users can create an unlimited number of A/B tests and dynamic landing pages sourced from their existing websites, utilizing either a visual editor or by implementing custom JavaScript or CSS; it also integrates effortlessly with well-known analytics tools such as Google Analytics 4 and Google Tag Manager, ensuring that experiment results are analyzed within the user’s established analytics framework, avoiding any conflicting data. The platform supports various features like audience targeting, parameter targeting, split URL testing, and campaign enhancements such as exit intent overlays and notifications to better engage visitors. Furthermore, it maintains GDPR compliance, is compatible with single-page applications, and strives to deliver transparent and unlimited testing capabilities without imposing traffic restrictions. Users appreciate its intuitive interface, straightforward reporting, and rapid setup process, making it a favored choice among businesses seeking effective optimization solutions. Additionally, Varify.io’s commitment to user satisfaction is evident in the continuous updates and improvements based on customer feedback.

Improve customer experience Our A/B testing, full stack, and personalization platform give marketers, product teams, developers, and designers the power to increase engagement and conversion. For every type of team, intuitive A/B testing and personalization options. One platform for all of your A/B testing and full-stack personalization needs. Teams can securely leverage data with HIPAA, CCPA and GDPR capabilities. Without affecting performance, you can test copy, design, and entire pages across all channels and devices. There are unlimited variations. Developers are welcome, but not necessary. You can confidently roll out new features. Your mobile apps can be instantly updated. You can run experiments in real time anywhere in your tech stack. Every visitor should have an individual experience. Use AI to deliver relevant messaging and products to every customer, based on Kameleoon Conversion Score.

Eliminate uncertainty surrounding significant SEO updates by utilizing SplitSignal’s user-friendly A/B split testing approach. Transform into an SEO champion by making informed, data-backed choices that ultimately conserve both time and financial resources. In contrast to standard CRO tools, SplitSignal is specifically tailored to tackle SEO challenges effectively. Our unique testing methodology cuts through the clutter, enabling you to identify what genuinely contributes to success. Installation of our lightweight JavaScript is a breeze, allowing you to commence testing without delay. You can forget about the hassles of Core Web Vitals, as our tool facilitates SEO split tests on any website platform without the need for intricate coding or developer assistance. Just select the elements you'd like to assess, implement your modifications, and initiate the testing process. With SplitSignal, you can effortlessly showcase which SEO adjustments lead to increases in organic traffic, granting you recognition for your efforts. Furthermore, you can quickly identify which modifications enhance search traffic levels, empowering you to implement site changes that you are confident will yield beneficial results. This streamlined process not only boosts your credibility but also enhances your site's overall performance in search rankings.

Fibr, an AI-driven platform for marketing, allows enterprise marketers to create conversion-focused landing page without the need to code. Fibr automates brand compliance and streamlines workflows between marketing, design, development, and other teams. This ensures that marketing efforts are on-brand, compliant and consistently creative. The platform integrates seamlessly into existing CMS infrastructures and allows users to experiment and publish thousands AI-tailored pages. Features include bulk creation with Excel, flicker free delivery, support for multiple URLs, and comprehensive tracking. Fibr is easy to implement, with launch and setup possible in 30 minutes. Clients report up to a 25 percent increase in new customers, a 12 percent increase in conversions overall, and a 30 percent reduction in customer acquisition cost.