Description
Pertento provides a comprehensive platform for A/B testing and Conversion Rate Optimization (CRO) designed for websites and online stores. It integrates A/B testing, an AI editor, and on-site surveys into a single solution, utilizing a lightweight, cookie-free script that ensures fast loading and privacy compliance. The platform's loader is only 0.9 KB, loads asynchronously, and never blocks rendering, ensuring optimal site performance.
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One of Pertento's key differentiators is its privacy-safe approach. It sets no cookies and stores no personal identifiers, keeping variant assignments in the visitor's browser storage for a consistent experience without profiling. This allows Pertento to measure all visitors, unlike platforms that require consent gates, providing a more complete and unbiased data sample for experiments. Users can also choose to report exposures to GA4, though GA4's consent requirements are separate.
The platform includes robust experimentation capabilities, such as visual multi-variant tests, URL redirect tests, and server-side tests. It features a visual editor with custom CSS/JS support, audience targeting, and hypothesis tracking with PXL scoring. For statistical analysis, Pertento offers both frequentist and Bayesian results, sequential testing, and sample-ratio-mismatch alarms, alongside revenue and AOV per variant reporting.
Beyond testing, Pertento incorporates "Feedback" for running surveys directly within experiment variants, ensuring free-text answers are tied to the specific version a visitor saw. "Analysis" reads the same runtime and exposures, providing consistent data for both experiment results and survey insights. Both features are included in every plan. The platform also offers monitoring and automation tools like a health monitor, attention queue, scheduling, stop-on-significance, and collision detection.
Pertento supports managing multiple client accounts from a single login, making it suitable for agencies or businesses with several websites. It integrates with various e-commerce platforms, headless and composable architectures, CMS and site builders, frameworks, SPAs, and analytics tools like Google Analytics 4. The platform also offers an AI editor and AI sentiment analysis for survey comments, enhancing the ability to derive actionable insights from qualitative data. Pricing is session-based, with AI credits included in plans and available for top-up purchases.
- CategoryMarketing & SEO
- Pricing ModelFreemium
- DeploymentCloud
- PlatformsWeb
Pertento's Core Features
A/B Testing and CRO Software
AI Editor for Website Changes
On-site Surveys within Experiments
Lightweight, Cookie-Free Script (0.9 KB loader)
Privacy-Safe Experimentation (no cookies, no identifiers)
Real-time Reporting and Analytics
Visual Multi-Variant Tests
URL Redirect Tests
Server-Side Tests
Audience Targeting
Hypothesis Tracking and PXL Scoring
Frequentist and Bayesian Statistical Results
AI Sentiment Analysis on Survey Comments
Multi-Account Management for Clients
Google Analytics 4 Integration
How to use Pertento?
Install Script: Add a single script tag to your website's head or use a package for server delivery.
Create Experiment: Use the visual editor to design multi-variant tests or set up URL redirect/server-side tests.
Define Objectives: Select analytics events like purchases or add-to-cart as experiment objectives.
Launch Test: Schedule experiment starts and stops, or deploy changes instantly to your live site.
Collect Feedback: Run surveys inside experiment variants to gather free-text answers tied to specific versions.
Analyze Results: Monitor real-time performance, review frequentist and Bayesian statistics, and track key metrics.
Derive Learnings: Use the Learnings page to identify patterns, weigh evidence, and generate new experiment opportunities.
Deploy Winners: Roll out winning variants by deploying them as 100% allocations to your codebase.
Pertento's Use Cases
- Website A/B Testing
- Conversion Rate Optimization (CRO)
- On-Site Customer Feedback
- Privacy-Safe Experimentation
- Real-time Performance Monitoring
- Hypothesis Validation
- Agency Client Management
- AI-Assisted Content Editing
- Sentiment Analysis for Surveys
