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core-js vs Kameleoon

Based on 1582 and 15 real audits

View core-js details | View Kameleoon details
Metriccore-jsKameleoonWinner
Performance3638Kameleoon
Accessibility8886core-js
Best Practices8491Kameleoon
SEO9188core-js
Security6564core-js
TTFB374ms336msKameleoon
Composite7273Kameleoon
Performance
core-js
36
Kameleoon
38
Accessibility
core-js
88
Kameleoon
86
Security
core-js
65
Kameleoon
64
SEO
core-js
91
Kameleoon
88
Composite
core-js
72
Kameleoon
73

Kameleoon outperforms core-js in 4 of 7 categories, with a stronger composite score (73 vs 72). core-js leads in accessibility, SEO, security.

When to choose core-js

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

When to choose Kameleoon

Choose Kameleoon when your primary concern is server response time and best practices. 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 15 audited Kameleoon 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 Kameleoon?
Based on real BeaverCheck audits, Kameleoon sites score higher on Lighthouse performance (38 vs 36 on average).
Which has better security, core-js or Kameleoon?
core-js sites score higher on security analysis (65 vs 64 on average).
Which has better accessibility, core-js or Kameleoon?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 vs 86). 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 Kameleoon?
core-js sites score higher on Lighthouse SEO signals (91 vs 88 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 Kameleoon?
Kameleoon sites show lower Time to First Byte (336 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 Kameleoon for my website?
Both platforms have trade-offs. Kameleoon 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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