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core-js vs React Native for Web

Based on 1599 and 16 real audits

View core-js details | View React Native for Web details
Metriccore-jsReact Native for WebWinner
Performance3635core-js
Accessibility8883core-js
Best Practices8494React Native for Web
SEO9192React Native for Web
Security6569React Native for Web
TTFB379ms617mscore-js
Composite7273React Native for Web
Performance
core-js
36
React Native for Web
35
Accessibility
core-js
88
React Native for Web
83
Security
core-js
65
React Native for Web
69
SEO
core-js
91
React Native for Web
92
Composite
core-js
72
React Native for Web
73

React Native for Web outperforms core-js in 4 of 7 categories, with a stronger composite score (73 vs 72). core-js leads in performance, accessibility, TTFB.

When to choose core-js

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

When to choose React Native for Web

Choose React Native for Web when your primary concern is best practices and security. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1599 audited core-js sites and 16 audited React Native for Web 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 React Native for Web?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 35 on average).
Which has better security, core-js or React Native for Web?
React Native for Web sites score higher on security analysis (69 vs 65 on average).
Which has better accessibility, core-js or React Native for Web?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 vs 83). 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 React Native for Web?
React Native for Web 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 React Native for Web?
core-js sites show lower Time to First Byte (379 ms vs 617 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 React Native for Web 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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