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core-js vs SpeedCurve

Based on 1841 and 23 real audits

View core-js details | View SpeedCurve details
Metriccore-jsSpeedCurveWinner
Performance3736core-js
Accessibility8891SpeedCurve
Best Practices8585Tie
SEO9192SpeedCurve
Security6766core-js
TTFB439ms312msSpeedCurve
Composite7473core-js
Performance
core-js
37
SpeedCurve
36
Accessibility
core-js
88
SpeedCurve
91
Security
core-js
67
SpeedCurve
66
SEO
core-js
91
SpeedCurve
92
Composite
core-js
74
SpeedCurve
73

core-js and SpeedCurve are closely matched, each leading in different categories. core-js has a composite score of 74 while SpeedCurve scores 73.

When to choose core-js

Choose core-js when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.

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 1841 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 (37 vs 36 on average).
Which has better security, core-js or SpeedCurve?
core-js sites score higher on security analysis (67 vs 66 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 439 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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