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Amazon S3 vs Amazon Web Services

Based on 224 and 796 real audits

View Amazon S3 details | View Amazon Web Services details
MetricAmazon S3Amazon Web ServicesWinner
Performance3738Amazon Web Services
Accessibility8989Tie
Best Practices8487Amazon Web Services
SEO9291Amazon S3
Security6866Amazon S3
TTFB225ms296msAmazon S3
Composite7372Amazon S3
Performance
Amazon S3
37
Amazon Web Services
38
Accessibility
Amazon S3
89
Amazon Web Services
89
Security
Amazon S3
68
Amazon Web Services
66
SEO
Amazon S3
92
Amazon Web Services
91
Composite
Amazon S3
73
Amazon Web Services
72

Amazon S3 outperforms Amazon Web Services in 4 of 7 categories, with a stronger composite score (73 vs 72). Amazon Web Services leads in performance, best practices.

When to choose Amazon S3

Choose Amazon S3 when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose Amazon Web Services

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

How this comparison was built

Scores are medians across 224 audited Amazon S3 sites and 796 audited Amazon Web Services 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 S3 or Amazon Web Services?
Based on real BeaverCheck audits, Amazon Web Services sites score higher on Lighthouse performance (38 vs 37 on average).
Which has better security, Amazon S3 or Amazon Web Services?
Amazon S3 sites score higher on security analysis (68 vs 66 on average).
Which has better accessibility, Amazon S3 or Amazon Web Services?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Amazon S3 (89 vs 89). 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 S3 or Amazon Web Services?
Amazon S3 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), Amazon S3 or Amazon Web Services?
Amazon S3 sites show lower Time to First Byte (225 ms vs 296 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 S3 or Amazon Web Services for my website?
Both platforms have trade-offs. Amazon Web Services scores higher on overall composite score while Amazon S3 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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