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core-js vs Day.js

Based on 1488 and 10 real audits

View core-js details | View Day.js details
Metriccore-jsDay.jsWinner
Performance3642Day.js
Accessibility8879core-js
Best Practices8383Tie
SEO9194Day.js
Security6464Tie
TTFB359ms455mscore-js
Composite7273Day.js
Performance
core-js
36
Day.js
42
Accessibility
core-js
88
Day.js
79
Security
core-js
64
Day.js
64
SEO
core-js
91
Day.js
94
Composite
core-js
72
Day.js
73

Day.js outperforms core-js in 3 of 7 categories, with a stronger composite score (73 vs 72). core-js leads in accessibility, TTFB.

FAQ

Which is faster, core-js or Day.js?
Based on real BeaverCheck audits, Day.js sites score higher on Lighthouse performance (42 vs 36 on average).
Which has better security, core-js or Day.js?
core-js sites score higher on security analysis (64 vs 64 on average).
Should I choose core-js or Day.js for my website?
Both platforms have trade-offs. Day.js 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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