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core-js vs jQuery UI

Based on 1687 and 430 real audits

Metriccore-jsjQuery UIWinner
Performance3642jQuery UI
Accessibility8887core-js
Best Practices8488jQuery UI
SEO9190core-js
Security6667jQuery UI
TTFB396ms506mscore-js
Composite7374jQuery UI
Performance
core-js
36
jQuery UI
42
Accessibility
core-js
88
jQuery UI
87
Security
core-js
66
jQuery UI
67
SEO
core-js
91
jQuery UI
90
Composite
core-js
73
jQuery UI
74

jQuery UI outperforms core-js in 4 of 7 categories, with a stronger composite score (74 vs 73). core-js leads in accessibility, SEO, 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 jQuery UI

Choose jQuery UI 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 1687 audited core-js sites and 430 audited jQuery UI 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 jQuery UI?
Based on real BeaverCheck audits, jQuery UI sites score higher on Lighthouse performance (42 vs 36 on average).
Which has better security, core-js or jQuery UI?
jQuery UI sites score higher on security analysis (67 vs 66 on average).
Which has better accessibility, core-js or jQuery UI?
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 jQuery UI?
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 jQuery UI?
core-js sites show lower Time to First Byte (396 ms vs 506 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 jQuery UI for my website?
Both platforms have trade-offs. jQuery UI 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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