About Polymer
The Polymer library makes it easy to create your own web components. Give your element some markup and properties, and then use it on a site. Polymer provides features like dynamic templates and data binding to reduce the amount of boilerplate you need to
How many people use Polymer
GitHub · npm- #23
Quasar27k
- #24
React Redux23k
- #25
Ember.js23k
- #26
Polymer22k - #27Chosen22k
- #28
Handlebars19k
- #29
Emotion18k
#26 of 75 JavaScript frameworks we have counts for (of 82) · bars are GitHub stars across these neighbours; the category leader is React at 249k · as of September 7, 2026
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#26 of 75 JavaScript frameworks
#25 of 75 JavaScript frameworks
Audit any site that runs Polymer.
Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.
How we audit Polymer
We measure the detected version against Polymer's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
How the score worksMore technologies in JavaScript frameworks
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