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core-js vs Permutive

Based on 1726 and 73 real audits

View core-js details | View Permutive details
Metriccore-jsPermutiveWinner
Performance3732core-js
Accessibility8887core-js
Best Practices8482core-js
SEO9194Permutive
Security6665core-js
TTFB421ms422mscore-js
Composite7372core-js
Performance
core-js
37
Permutive
32
Accessibility
core-js
88
Permutive
87
Security
core-js
66
Permutive
65
SEO
core-js
91
Permutive
94
Composite
core-js
73
Permutive
72

core-js outperforms Permutive in 6 of 7 categories, with a stronger composite score (73 vs 72). Permutive leads in SEO.

When to choose core-js

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

When to choose Permutive

Choose Permutive when your primary concern is SEO. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1726 audited core-js sites and 73 audited Permutive 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 Permutive?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (37 vs 32 on average).
Which has better security, core-js or Permutive?
core-js sites score higher on security analysis (66 vs 65 on average).
Which has better accessibility, core-js or Permutive?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 vs 87). 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 Permutive?
Permutive 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 Permutive?
core-js sites show lower Time to First Byte (421 ms vs 422 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 Permutive 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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