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PDF.js vs Web Components Polyfills: who uses which
Web Components Polyfills is on more sites: 44,489 against 13,048 for PDF.js, about 3.4 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 | PDF.js | Web Components Polyfills |
|---|---|---|
| .com on .com | 4,907 | 7,098 |
| .pl in Poland | 148 | 10,381 |
| .de in Germany | 828 | 9,100 |
| .org on .org | 875 | 2,120 |
| .ru on .ru | 290 | 1,395 |
| .it in Italy | 446 | 1,192 |
| .ch in Switzerland | 174 | 1,235 |
| .nl in the Netherlands | 142 | 1,136 |
16 sites run both at once.
Questions
Which is more popular, PDF.js or Web Components Polyfills?
Web Components Polyfills is on more sites: 44,489 against 13,048 for PDF.js, about 3.4 times as many, across the sites StackGrep has indexed.
Do sites use PDF.js and Web Components Polyfills together?
16 sites load both. That's often a switch in progress, or two teams picking different tools.
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