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core-js vs SweetAlert2

Based on 1726 and 11 real audits

View core-js details | View SweetAlert2 details
Metriccore-jsSweetAlert2Winner
Performance3744SweetAlert2
Accessibility8881core-js
Best Practices8485SweetAlert2
SEO9191Tie
Security6672SweetAlert2
TTFB421ms470mscore-js
Composite7375SweetAlert2
Performance
core-js
37
SweetAlert2
44
Accessibility
core-js
88
SweetAlert2
81
Security
core-js
66
SweetAlert2
72
SEO
core-js
91
SweetAlert2
91
Composite
core-js
73
SweetAlert2
75

SweetAlert2 outperforms core-js in 4 of 7 categories, with a stronger composite score (75 vs 73). core-js leads in accessibility, 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 SweetAlert2

Choose SweetAlert2 when your primary concern is performance and security. 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 11 audited SweetAlert2 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 SweetAlert2?
Based on real BeaverCheck audits, SweetAlert2 sites score higher on Lighthouse performance (44 vs 37 on average).
Which has better security, core-js or SweetAlert2?
SweetAlert2 sites score higher on security analysis (72 vs 66 on average).
Which has better accessibility, core-js or SweetAlert2?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 vs 81). 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 SweetAlert2?
core-js sites score higher on Lighthouse SEO signals (91 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 SweetAlert2?
core-js sites show lower Time to First Byte (421 ms vs 470 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 SweetAlert2 for my website?
Both platforms have trade-offs. SweetAlert2 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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