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Amazon ELB vs core-js

Based on 176 and 1726 real audits

View Amazon ELB details | View core-js details
MetricAmazon ELBcore-jsWinner
Performance3637core-js
Accessibility8988Amazon ELB
Best Practices8884Amazon ELB
SEO9191Tie
Security6466core-js
TTFB401ms421msAmazon ELB
Composite7173core-js
Performance
Amazon ELB
36
core-js
37
Accessibility
Amazon ELB
89
core-js
88
Security
Amazon ELB
64
core-js
66
SEO
Amazon ELB
91
core-js
91
Composite
Amazon ELB
71
core-js
73

Amazon ELB and core-js are closely matched, each leading in different categories. Amazon ELB has a composite score of 71 while core-js scores 73.

When to choose Amazon ELB

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

How this comparison was built

Scores are medians across 176 audited Amazon ELB sites and 1726 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, core-js sites score higher on Lighthouse performance (37 vs 36 on average).
Which has better security, Amazon ELB or core-js?
core-js sites score higher on security analysis (66 vs 64 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?
Amazon ELB sites show lower Time to First Byte (401 ms vs 421 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. core-js 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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