fnel
Simple Funnel Analytics for Solo Founders
What is fnel? Complete Overview
fnel is a lightweight funnel analytics tool designed specifically for solo founders who need to track user behavior and optimize conversions without the complexity of enterprise solutions. It provides clear insights into where users drop off in your funnels, helping you make data-driven decisions to improve your product. With a one-line setup, real-time analytics, and smart drop-off detection, fnel empowers solo founders to understand and enhance their conversion rates effortlessly. The tool is ideal for developers and entrepreneurs who want actionable insights without the overhead of traditional analytics platforms.
fnel Interface & Screenshots

fnel Official screenshot of the tool interface
What Can fnel Do? Key Features
One-line Setup
Get started with just a single line of code. Simply initialize fnel with your API key and start tracking events immediately. No complex configurations or integrations required. This feature is perfect for solo founders who need to hit the ground running without wasting time on setup.
Real-time Funnel Visualization
See user drop-offs and conversion rates as they happen. The live dashboard provides a clear visualization of your funnel, highlighting critical drop-off points. This allows you to react quickly to issues and optimize your user flow in real-time.
Developer-friendly API
Track events with a simple API call. Use `fnel.track('step_name')` to log user interactions at any point in your funnel. The API is designed to be intuitive and easy to implement, making it accessible even for those with minimal coding experience.
Smart Drop-off Detection
Automatically identifies where users abandon your funnel. The system highlights high drop-off points with warnings, so you know exactly where to focus your optimization efforts. This feature saves time by pinpointing the most critical issues.
A/B Test Validation
Validate experiments with clear conversion metrics. Compare different versions of your funnel to see which performs better. The tool provides confidence intervals to help you make informed decisions about your A/B tests.
Zero Configuration
No need to set up databases or manage infrastructure. fnel handles everything on the backend, so you can focus on building your product. This feature is ideal for solo founders who need a hassle-free analytics solution.
Best fnel Use Cases & Applications
Landing Page Optimization
Track how users interact with your landing page and identify where they drop off. Use this data to test different layouts, CTAs, and messaging to improve conversion rates.
Signup Flow Improvement
Monitor the entire signup process to see where potential customers abandon the flow. Optimize form fields, reduce friction, and increase completions.
Checkout Process Analysis
Identify drop-offs in your payment process. Test different pricing displays, payment methods, and checkout steps to reduce cart abandonment.
A/B Testing Validation
Run experiments on different versions of your funnel to see which performs better. Use fnel's clear metrics to decide which variant to implement.
How to Use fnel: Step-by-Step Guide
Install the fnel package in your project. This can be done via npm or by including the script directly in your HTML. The installation process is straightforward and well-documented.
Initialize fnel with your API key. This is a one-time setup that requires just a single line of code: `fnel.init('your-api-key')`. Your API key can be obtained from the fnel dashboard after signing up.
Start tracking events in your application. Use the `fnel.track()` method to log user interactions at key points in your funnel. You can track page views, button clicks, form submissions, and custom events.
Monitor your funnel in real-time. The dashboard will display conversion rates and drop-offs as they happen. You can drill down into specific steps to see detailed metrics and identify bottlenecks.
Optimize based on insights. Use the data to make informed decisions about where to focus your optimization efforts. The tool provides actionable insights to help you improve your conversion rates.
fnel Pros and Cons: Honest Review
Pros
Considerations
Is fnel Worth It? FAQ & Reviews
fnel is built specifically for solo founders who need funnel analytics without the complexity. Unlike enterprise tools, it focuses on simplicity - just add one code snippet and start tracking. No complex dashboards or overwhelming data, just clear insights about where users drop off.
Literally one line of code: `fnel.init('your-api-key')`. Then track events with `fnel.track('step_name')`. No database setup, no server configuration, no complex integrations. fnel handles all the infrastructure so you can focus on building your product.
See conversion rates and drop-offs as they happen. Track page views, button clicks, form submissions, and custom events. Get instant alerts when conversion rates drop, and visualize your entire funnel flow with clear drop-off points highlighted.
Yes! Track unlimited funnels simultaneously. Run A/B tests to validate different approaches - compare conversion rates between landing pages, signup flows, or pricing pages. Perfect for solo founders testing multiple strategies.
Absolutely. fnel uses enterprise-grade security with data encryption in transit and at rest. Your data is never shared with third parties, and you maintain full ownership. The tool is GDPR compliant and built with privacy-first principles.