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core-js vs LottieFiles

Based on 1582 and 97 real audits

View core-js details | View LottieFiles details
Metriccore-jsLottieFilesWinner
Performance3640LottieFiles
Accessibility8889LottieFiles
Best Practices8488LottieFiles
SEO9192LottieFiles
Security6567LottieFiles
TTFB374ms381mscore-js
Composite7274LottieFiles
Performance
core-js
36
LottieFiles
40
Accessibility
core-js
88
LottieFiles
89
Security
core-js
65
LottieFiles
67
SEO
core-js
91
LottieFiles
92
Composite
core-js
72
LottieFiles
74

LottieFiles outperforms core-js in 6 of 7 categories, with a stronger composite score (74 vs 72). core-js leads in TTFB.

When to choose core-js

Choose core-js when your primary concern is server response time. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose LottieFiles

Choose LottieFiles 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 1582 audited core-js sites and 97 audited LottieFiles 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 LottieFiles?
Based on real BeaverCheck audits, LottieFiles sites score higher on Lighthouse performance (40 vs 36 on average).
Which has better security, core-js or LottieFiles?
LottieFiles sites score higher on security analysis (67 vs 65 on average).
Which has better accessibility, core-js or LottieFiles?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor LottieFiles (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 LottieFiles?
LottieFiles sites score higher on Lighthouse SEO signals (92 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 LottieFiles?
core-js sites show lower Time to First Byte (374 ms vs 381 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 LottieFiles for my website?
Both platforms have trade-offs. LottieFiles 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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