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core-js vs jQuery

Based on 1600 and 1898 real audits

View core-js details | View jQuery details
Metriccore-jsjQueryWinner
Performance3544jQuery
Accessibility8785core-js
Best Practices8386jQuery
SEO9189core-js
Security6565Tie
TTFB378ms441mscore-js
Composite7273jQuery
Performance
core-js
35
jQuery
44
Accessibility
core-js
87
jQuery
85
Security
core-js
65
jQuery
65
SEO
core-js
91
jQuery
89
Composite
core-js
72
jQuery
73

core-js and jQuery are closely matched, each leading in different categories. core-js has a composite score of 72 while jQuery scores 73.

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

Choose jQuery 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 1600 audited core-js sites and 1898 audited jQuery 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?
Based on real BeaverCheck audits, jQuery sites score higher on Lighthouse performance (44 vs 35 on average).
Which has better security, core-js or jQuery?
core-js sites score higher on security analysis (65 vs 65 on average).
Which has better accessibility, core-js or jQuery?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (87 vs 85). 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?
core-js sites score higher on Lighthouse SEO signals (91 vs 89 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?
core-js sites show lower Time to First Byte (378 ms vs 441 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 for my website?
Both platforms have trade-offs. jQuery 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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