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core-js vs Speculative Loading

Based on 1488 and 1 real audits

View core-js details | View Speculative Loading details
Metriccore-jsSpeculative LoadingWinner
Performance3640Speculative Loading
Accessibility8894Speculative Loading
Best Practices8362core-js
SEO9192Speculative Loading
Security6459core-js
TTFB359ms109msSpeculative Loading
Composite7274Speculative Loading
Performance
core-js
36
Speculative Loading
40
Accessibility
core-js
88
Speculative Loading
94
Security
core-js
64
Speculative Loading
59
SEO
core-js
91
Speculative Loading
92
Composite
core-js
72
Speculative Loading
74

Speculative Loading outperforms core-js in 5 of 7 categories, with a stronger composite score (74 vs 72). core-js leads in best practices, security.

FAQ

Which is faster, core-js or Speculative Loading?
Based on real BeaverCheck audits, Speculative Loading sites score higher on Lighthouse performance (40 vs 36 on average).
Which has better security, core-js or Speculative Loading?
core-js sites score higher on security analysis (64 vs 59 on average).
Should I choose core-js or Speculative Loading for my website?
Both platforms have trade-offs. Speculative Loading 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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