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core-js vs Google Optimize

Based on 154 and 2 real audits

View core-js details | View Google Optimize details
Metriccore-jsGoogle OptimizeWinner
Performance3325core-js
Accessibility8883core-js
Best Practices8482core-js
SEO9280core-js
Security6670Google Optimize
TTFB364ms392mscore-js
Composite7370core-js
Performance
core-js
33
Google Optimize
25
Accessibility
core-js
88
Google Optimize
83
Security
core-js
66
Google Optimize
70
SEO
core-js
92
Google Optimize
80
Composite
core-js
73
Google Optimize
70

core-js outperforms Google Optimize in 6 of 7 categories, with a stronger composite score (73 vs 70). Google Optimize leads in security.

FAQ

Which is faster, core-js or Google Optimize?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (33 vs 25 on average).
Which has better security, core-js or Google Optimize?
Google Optimize sites score higher on security analysis (70 vs 66 on average).
Should I choose core-js or Google Optimize 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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