Home / Technologies / Polyfill.io vs WOW.js
Polyfill.io vs WOW.js: who uses which
WOW.js is on more sites: 722,189 against 80,632 for Polyfill.io, about 9.0 times as many. Here's how they compare across the websites we've indexed, and where each one does best.
Where each one is used
| Domain | Polyfill.io | WOW.js |
|---|---|---|
| .com on .com | 43,820 | 375,158 |
| .cn on .cn | 91 | 29,107 |
| .org on .org | 3,239 | 23,989 |
| .de in Germany | 931 | 22,484 |
| .net on .net | 1,490 | 18,441 |
| .ru on .ru | 856 | 15,888 |
| .it in Italy | 1,199 | 13,575 |
| .uk in the UK | 1,494 | 13,278 |
451 sites run both at once.
Questions
Which is more popular, Polyfill.io or WOW.js?
WOW.js is on more sites: 722,189 against 80,632 for Polyfill.io, about 9.0 times as many, across the sites StackGrep has indexed.
Do sites use Polyfill.io and WOW.js together?
451 sites load both. That's often a switch in progress, or two teams picking different tools.
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