Modernizr vs Polyfill.io
Side-by-side comparison based on real-world adoption data from 30,906 detections across analyzed websites.
Market Share Distribution
Modernizr
LibrariesModernizr is a JavaScript library that detects the features available in a user's browser.
Polyfill.io
LibrariesPolyfill.io is a service that delivers JavaScript and CSS polyfills tailored to the specific browser requesting the content. It automatically detects the user's browser and its capabilities, serving only the necessary polyfills to ensure modern web features work on older browsers.
Our Analysis
Modernizr is significantly more popular than Polyfill.io in our dataset, appearing on 31276 websites compared to 324. 26 websites use both technologies together (0% overlap). Both are in the Libraries category, making them direct alternatives.
Sites Using Both (26)
Only Modernizr
Frequently Asked Questions
What is the difference between Modernizr and Polyfill.io?
Modernizr is significantly more popular than Polyfill.io in our dataset, appearing on 31276 websites compared to 324. 26 websites use both technologies together (0% overlap). Both are in the Libraries category, making them direct alternatives.
Which is more popular, Modernizr or Polyfill.io?
Modernizr is more widely adopted with 30582 detections compared to Polyfill.io's 324 detections in our dataset.
Can Modernizr and Polyfill.io be used together?
Yes, 26 websites in our dataset use both Modernizr and Polyfill.io together.
Check Any Website's Technology Stack
Find out if a website uses Modernizr, Polyfill.io, or any other technology.
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