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core-js vs Ubuntu

Based on 1492 and 62 real audits

View core-js details | View Ubuntu details
Metriccore-jsUbuntuWinner
Performance3653Ubuntu
Accessibility8886core-js
Best Practices8490Ubuntu
SEO9190core-js
Security6463core-js
TTFB359ms449mscore-js
Composite7273Ubuntu
Performance
core-js
36
Ubuntu
53
Accessibility
core-js
88
Ubuntu
86
Security
core-js
64
Ubuntu
63
SEO
core-js
91
Ubuntu
90
Composite
core-js
72
Ubuntu
73

core-js outperforms Ubuntu in 4 of 7 categories, with a stronger composite score (72 vs 73). Ubuntu leads in performance, best practices, composite score.

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 Ubuntu

Choose Ubuntu when your primary concern is performance 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 1492 audited core-js sites and 62 audited Ubuntu 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 Ubuntu?
Based on real BeaverCheck audits, Ubuntu sites score higher on Lighthouse performance (53 vs 36 on average).
Which has better security, core-js or Ubuntu?
core-js sites score higher on security analysis (64 vs 63 on average).
Which has better accessibility, core-js or Ubuntu?
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 Ubuntu?
core-js sites score higher on Lighthouse SEO signals (91 vs 90 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 Ubuntu?
core-js sites show lower Time to First Byte (359 ms vs 449 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 Ubuntu for my website?
Both platforms have trade-offs. Ubuntu 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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