Free A/B Testing Tool to Boost Conversions

Overview

Maximize your website's potential with unrestricted experimentation. Run unlimited campaigns across any pages, with no session limits. Optimize every URL, with one active campaign per URL at no cost in our 30-day free trial.

A/B Testing Features

Visual Editor

Easily edit your landing pages with our WYSIWYG Editor. Quickly adjust headlines, CTAs, and more. Get AI-powered suggestions for copy variations to boost your experiments.

Targeting

Target experiments to specific audience segments with criteria like traffic sources, device types, visitor behavior, operating systems, browsers, and custom events.

Seamless Performance

Say goodbye to slow page loads, privacy issues, SEO errors, or flash of original content (FOOC). Enjoy fast, secure, and seamless user experiences with our A/B testing software.

Bulk Creation

Create landing pages in bulk and generate multiple variants simultaneously, eliminating the need for manual adjustments.

AI-Powered A/B Testing

Say goodbye to hours spent crafting variations. Simply select the landing page elements you want to optimize, and our AI will generate multiple high-converting suggestions to enhance your website's performance in no time.

Google Analytics 4 Integration

Our A/B testing software integrates seamlessly with Google Analytics 4, allowing you to track campaign results, attributed revenue, and experiments alongside all your visitor data.

Migration from Google Optimize

Fibr offers seamless migration support, landing page creation services, and unlimited free campaigns — going beyond Google Optimize's 5-campaign limit. Experiment freely, with no restrictions.

Additional Capabilities

Statistical Significance

Make confident decisions with robust analytics. Analyze conversion rates, confidence levels, and p-values to transform data into actionable insights and ensure optimizations are statistically significant.

Schedule Campaigns

Easily schedule your A/B test campaigns to start or pause at specific dates and times, giving you precise control and flexibility over your testing schedule.

Download Reports

Download your test data in .csv format for offline analysis. Share the data with colleagues to facilitate a thorough, in-depth examination of your A/B test results.

Traffic Split

Traffic split allows you to adjust the percentage of your audience that will see each variant, helping you distribute traffic evenly for accurate performance comparison.

Traffic Allocation

Specifies the traffic percentage you want to include in the test. For example, if your website receives 100 visitors a day and you want to run the test through just 20 visitors, specify the percentage as 20%.

Case Study: ACT Fibernet

ACT boosted their CTA conversion rate by 12% with Fibr's A/B Testing Solution

At ACT, we quickly adopted Fibr Web Pilot to align ad messaging with landing pages, achieving great results with minimal effort. We're excited to scale this across our campaigns for increased growth and improved team productivity.

About this company

Fibr AI was founded in 2022 to solve the disconnect between hyper-targeted marketing channels (ads, email, search) and static website experiences. The platform combines software infrastructure, AI agents, and human-in-the-loop oversight to create personalized, dynamic web experiences at scale. It enables marketers to build AI-driven landing pages, run continuous experimentation, and personalize experiences based on ads, location, device, behavior, CDP/CRM data, and LLM-sourced traffic. The company is headquartered in Delaware, USA.

Founded 2022. Headquartered in Delaware, USA.

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Frequently asked questions

What is Fibr AI?
Fibr AI is an Agentic Web Experience Platform that transforms website URLs into intelligent, adaptive agents. Each page senses visitor intent, makes decisions, and reshapes itself in real time to deliver personalized web experiences.
When was Fibr AI founded?
Fibr AI was founded in 2022.
Where is Fibr AI headquartered?
Fibr AI is headquartered in Delaware, USA.
Who is Fibr AI built for?
Fibr AI is built for enterprises looking to personalize at scale, growing businesses starting their web optimization journey, and agencies or marketing affiliates looking to optimize websites for their clients.
What problem does Fibr AI solve?
Fibr AI addresses the disconnect where ads, email, and search are hyper-targeted and AI-powered, but website visitors land on the same static page regardless of where they came from. Fibr makes the website itself as intelligent and context-aware as the marketing channels driving traffic to it.
How does Fibr AI personalize web experiences?
Fibr AI uses AI agents combined with human oversight to detect visitor signals, decode intent, and rewrite page experiences in real time. Personalization can be based on ads, location, device, browser, behavioral signals, visit frequency, LLM-sourced traffic, CDP data, CRM data, and custom audiences.
What results does Fibr AI claim to deliver?
Fibr AI claims results including +28% higher ROI from AI-driven personalization, +30% lower customer acquisition cost (CAC) from intent-based targeting, and 4X more leads from personalizing experiences at scale.
What are the pricing plans offered by Fibr AI?
Fibr AI offers three plans: a Starter Plan for growing businesses (up to 1,000 experiences), an Enterprise Plan for large organizations requiring unlimited visitor sessions and unlimited domains/URLs, and an Agency Plan for agencies and marketing affiliates covering 10,000 monthly visitor sessions and 5 unique URLs.
What features are included in the Enterprise plan?
The Enterprise plan includes Web-Journey Personalization, LLM-Traffic Personalization, AI Landing Page Creator, Customized Agentic Workflows, White-Glove Assistance, CDP/CRM and Analytics integration, On-Brand Agent Training, and 24/7 Dedicated Support with unlimited visitor sessions and unlimited domains and URLs.
What security and compliance certifications does Fibr AI have?
Fibr AI states alignment with SOC 2, ISO 27001, GDPR, and CCPA standards.
What integrations does Fibr AI support?
Fibr AI integrates with CDP (Customer Data Platform), CRM systems, and analytics platforms.
Does Fibr AI support A/B testing and experimentation?
Yes. Fibr AI includes an Experimentation Suite that provides AI-powered hypothesis creation, automated variant creation, audience-based experimentation, statistical significance monitoring, traffic allocation setup, and continuous learning and iteration.
How does Fibr AI handle AI ethics and human oversight?
Fibr AI states that its agents adapt experiences without manipulating them, and that it prioritizes transparency, security, and human oversight at every layer. The platform operates with a 'humans-in-the-loop' model where human allies guide strategy, brand alignment, and key decisions.
How do I get started with Fibr AI?
Fibr AI directs prospective customers to book a demo to get started.
What features are included in Fibr's A/B testing tool?
Fibr's free A/B testing tool includes a WYSIWYG visual editor, audience targeting by traffic source and device type, AI-powered variant generation, bulk landing page creation, Google Analytics 4 integration, statistical significance analysis, campaign scheduling, .csv report downloads, traffic split controls, and traffic allocation settings.
Are there limits on how many tests I can run with Fibr's A/B testing platform?
There are no limits to the number of campaigns or sessions you can create. Fibr offers unlimited testing capabilities; however, only one campaign is allowed per unique URL.
How does Fibr's A/B testing software compare to Google Optimize?
Fibr offers unlimited free campaigns, whereas Google Optimize was limited to 5 campaigns. Fibr also provides seamless migration support and landing page creation services, going beyond what Google Optimize offered, with no restrictions on experimentation.
Are there any hidden costs or premium features in Fibr's A/B testing software?
There are no hidden costs. Fibr offers a fully free A/B testing platform with no premium features or upsells — complete access to all tools is available at no charge.
How do I get started with Fibr's A/B testing tools?
Simply sign up for free, set up your tests, and start optimizing your site. The platform guides you through the process for a smooth experience, with one active campaign per URL available at no cost during the 30-day free trial.
Does Fibr's A/B testing tool affect page load speed or SEO?
Fibr's A/B testing software is designed to avoid slow page loads, privacy issues, SEO errors, and flash of original content (FOOC), providing fast, secure, and seamless user experiences.

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