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core-js vs React Router

Based on 1570 and 134 real audits

View core-js details | View React Router details
Metriccore-jsReact RouterWinner
Performance3639React Router
Accessibility8891React Router
Best Practices8486React Router
SEO9194React Router
Security6568React Router
TTFB371ms256msReact Router
Composite7275React Router
Performance
core-js
36
React Router
39
Accessibility
core-js
88
React Router
91
Security
core-js
65
React Router
68
SEO
core-js
91
React Router
94
Composite
core-js
72
React Router
75

React Router outperforms core-js in 7 of 7 categories, with a stronger composite score (75 vs 72). core-js leads in no categories.

When to choose core-js

core-js doesn't clearly lead React Router 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 React Router

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

How this comparison was built

Scores are medians across 1570 audited core-js sites and 134 audited React Router 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 Router?
Based on real BeaverCheck audits, React Router sites score higher on Lighthouse performance (39 vs 36 on average).
Which has better security, core-js or React Router?
React Router sites score higher on security analysis (68 vs 65 on average).
Which has better accessibility, core-js or React Router?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor React Router (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 React Router?
React Router sites score higher on Lighthouse SEO signals (94 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 Router?
React Router sites show lower Time to First Byte (256 ms vs 371 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 Router for my website?
Both platforms have trade-offs. React Router 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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