Amazon CloudWatch RUM vs Datadog
Head-to-head usage across the sites we track.
Top sites by authority
Amazon CloudWatch RUM · Datadog · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Amazon CloudWatch RUM · Datadog · share of sites in each country using one or the other
United States
399
76,565
United Kingdom
256
13,562
Canada
209
13,429
India
253
11,410
South Korea
108
10,315
Australia
193
9,562
Germany
206
8,844
France
203
8,301
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Amazon CloudWatch RUM | Datadog |
|---|---|---|
| LCP | 1.9 s | 2.1 s |
| INP | 100 ms | 100 ms |
| CLS | 0 | 0.05 |
| TTFB | 800 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Amazon CloudWatch RUM to Datadog
| Domain | When |
|---|---|
| metropolitaninternational.com | Mar 2026 |