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
392
78,213
Canada
215
14,219
United Kingdom
258
14,112
India
246
12,015
South Korea
121
10,236
Australia
195
10,155
Germany
203
9,314
France
201
8,839
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Amazon CloudWatch RUM | Datadog |
|---|---|---|
| LCP | 2 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, Sep 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 |