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core-js vs Optimizely

Based on 46 and 8 real audits

Metriccore-jsOptimizelyWinner
Performance3628core-js
Accessibility8992Optimizely
Best Practices8383Tie
SEO9295Optimizely
Security6664core-js
TTFB337ms182msOptimizely
Composite7371core-js
Performance
core-js
36
Optimizely
28
Accessibility
core-js
89
Optimizely
92
Security
core-js
66
Optimizely
64
SEO
core-js
92
Optimizely
95
Composite
core-js
73
Optimizely
71

core-js and Optimizely are closely matched, each leading in different categories. core-js has a composite score of 73 while Optimizely scores 71.

FAQ

Which is faster, core-js or Optimizely?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 28 on average).
Which has better security, core-js or Optimizely?
core-js sites score higher on security analysis (66 vs 64 on average).
Should I choose core-js or Optimizely for my website?
Both platforms have trade-offs. core-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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