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core-js vs GSAP

Based on 1847 and 307 real audits

View core-js details | View GSAP details
Metriccore-jsGSAPWinner
Performance3637GSAP
Accessibility8889GSAP
Best Practices8588GSAP
SEO9191Tie
Security6768GSAP
TTFB439ms390msGSAP
Composite7474Tie
Performance
core-js
36
GSAP
37
Accessibility
core-js
88
GSAP
89
Security
core-js
67
GSAP
68
SEO
core-js
91
GSAP
91
Composite
core-js
74
GSAP
74

GSAP outperforms core-js in 5 of 7 categories, with a stronger composite score (74 vs 74). core-js leads in no categories.

When to choose core-js

core-js doesn't clearly lead GSAP in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.

When to choose GSAP

Choose GSAP 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 1847 audited core-js sites and 307 audited GSAP 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 GSAP?
Based on real BeaverCheck audits, GSAP sites score higher on Lighthouse performance (37 vs 36 on average).
Which has better security, core-js or GSAP?
GSAP sites score higher on security analysis (68 vs 67 on average).
Which has better accessibility, core-js or GSAP?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor GSAP (89 vs 88). 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 GSAP?
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 GSAP?
GSAP sites show lower Time to First Byte (390 ms vs 439 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 GSAP for my website?
Both platforms have trade-offs. GSAP 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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