Based on 2 and 100 real audits
| Metric | Amazon CloudWatch RUM | Azure DNS | Winner |
|---|---|---|---|
| Performance | 43 | 43 | Tie |
| Accessibility | 95 | 92 | Amazon CloudWatch RUM |
| Best Practices | 79 | 84 | Azure DNS |
| SEO | 96 | 90 | Amazon CloudWatch RUM |
| Security | 64 | 67 | Azure DNS |
| TTFB | 465ms | 281ms | Azure DNS |
| Composite | 70 | 73 | Azure DNS |
Azure DNS outperforms Amazon CloudWatch RUM in 4 of 7 categories, with a stronger composite score (73 vs 70). Amazon CloudWatch RUM leads in accessibility, SEO.
Choose Amazon CloudWatch RUM when your primary concern is SEO and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Azure DNS when your primary concern is server response time and best practices. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 2 audited Amazon CloudWatch RUM sites and 100 audited Azure DNS 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 →
Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.
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