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Amazon ELB vs core-js

Based on 173 and 1582 real audits

View Amazon ELB details | View core-js details
MetricAmazon ELBcore-jsWinner
Performance3636Tie
Accessibility8988Amazon ELB
Best Practices8884Amazon ELB
SEO9191Tie
Security6365core-js
TTFB403ms374mscore-js
Composite7072core-js
Performance
Amazon ELB
36
core-js
36
Accessibility
Amazon ELB
89
core-js
88
Security
Amazon ELB
63
core-js
65
SEO
Amazon ELB
91
core-js
91
Composite
Amazon ELB
70
core-js
72

core-js outperforms Amazon ELB in 3 of 7 categories, with a stronger composite score (72 vs 70). Amazon ELB leads in accessibility, best practices.

When to choose Amazon ELB

Choose Amazon ELB when your primary concern is best practices and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose core-js

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

How this comparison was built

Scores are medians across 173 audited Amazon ELB sites and 1582 audited core-js 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, Amazon ELB or core-js?
Based on real BeaverCheck audits, Amazon ELB sites score higher on Lighthouse performance (36 vs 36 on average).
Which has better security, Amazon ELB or core-js?
core-js sites score higher on security analysis (65 vs 63 on average).
Which has better accessibility, Amazon ELB or core-js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Amazon ELB (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, Amazon ELB or core-js?
Amazon ELB 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), Amazon ELB or core-js?
core-js sites show lower Time to First Byte (374 ms vs 403 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 Amazon ELB or core-js for my website?
Both platforms have trade-offs. Amazon ELB scores higher on overall composite score while Amazon ELB 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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