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core-js vs SpeedCurve

Based on 1582 and 23 real audits

Metriccore-jsSpeedCurveWinner
Performance3636Tie
Accessibility8891SpeedCurve
Best Practices8485SpeedCurve
SEO9192SpeedCurve
Security6566SpeedCurve
TTFB374ms312msSpeedCurve
Composite7273SpeedCurve
Performance
core-js
36
SpeedCurve
36
Accessibility
core-js
88
SpeedCurve
91
Security
core-js
65
SpeedCurve
66
SEO
core-js
91
SpeedCurve
92
Composite
core-js
72
SpeedCurve
73

SpeedCurve outperforms core-js in 6 of 7 categories, with a stronger composite score (73 vs 72). core-js leads in no categories.

When to choose core-js

core-js doesn't clearly lead SpeedCurve in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.

When to choose SpeedCurve

Choose SpeedCurve when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1582 audited core-js sites and 23 audited SpeedCurve sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, core-js or SpeedCurve?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 36 on average).
Which has better security, core-js or SpeedCurve?
SpeedCurve sites score higher on security analysis (66 vs 65 on average).
Which has better accessibility, core-js or SpeedCurve?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor SpeedCurve (91 vs 88). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, core-js or SpeedCurve?
SpeedCurve sites score higher on Lighthouse SEO signals (92 vs 91 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), core-js or SpeedCurve?
SpeedCurve sites show lower Time to First Byte (312 ms vs 374 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose core-js or SpeedCurve for my website?
Both platforms have trade-offs. core-js scores higher on overall composite score while core-js may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.

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