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core-js vs imagesLoaded

Based on 1930 and 27 real audits

Metriccore-jsimagesLoadedWinner
Performance3752imagesLoaded
Accessibility8885core-js
Best Practices8593imagesLoaded
SEO9193imagesLoaded
Security6873imagesLoaded
TTFB476ms1009mscore-js
Composite7478imagesLoaded
Performance
core-js
37
imagesLoaded
52
Accessibility
core-js
88
imagesLoaded
85
Security
core-js
68
imagesLoaded
73
SEO
core-js
91
imagesLoaded
93
Composite
core-js
74
imagesLoaded
78

imagesLoaded outperforms core-js in 5 of 7 categories, with a stronger composite score (78 vs 74). 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 imagesLoaded

Choose imagesLoaded 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 1930 audited core-js sites and 27 audited imagesLoaded 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 imagesLoaded?
Based on real BeaverCheck audits, imagesLoaded sites score higher on Lighthouse performance (52 vs 37 on average).
Which has better security, core-js or imagesLoaded?
imagesLoaded sites score higher on security analysis (73 vs 68 on average).
Which has better accessibility, core-js or imagesLoaded?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 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 imagesLoaded?
imagesLoaded sites score higher on Lighthouse SEO signals (93 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 imagesLoaded?
core-js sites show lower Time to First Byte (476 ms vs 1009 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 imagesLoaded for my website?
Both platforms have trade-offs. imagesLoaded 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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