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core-js vs Polyfill

Based on 45 and 1 real audits

View core-js details | View Polyfill details
Metriccore-jsPolyfillWinner
Performance3646Polyfill
Accessibility8990Polyfill
Best Practices83100Polyfill
SEO9277core-js
Security6769Polyfill
TTFB344ms14msPolyfill
Composite7378Polyfill
Performance
core-js
36
Polyfill
46
Accessibility
core-js
89
Polyfill
90
Security
core-js
67
Polyfill
69
SEO
core-js
92
Polyfill
77
Composite
core-js
73
Polyfill
78

Polyfill outperforms core-js in 6 of 7 categories, with a stronger composite score (78 vs 73). core-js leads in SEO.

FAQ

Which is faster, core-js or Polyfill?
Based on real BeaverCheck audits, Polyfill sites score higher on Lighthouse performance (46 vs 36 on average).
Which has better security, core-js or Polyfill?
Polyfill sites score higher on security analysis (69 vs 67 on average).
Should I choose core-js or Polyfill for my website?
Both platforms have trade-offs. Polyfill scores higher on performance while core-js may excel in other areas. Run a free BeaverCheck audit to compare specific metrics relevant to your use case.
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