Carbon Ads vs Microsoft Advertising
Head-to-head usage across the sites we track.
Top sites by authority
Carbon Ads · Microsoft Advertising · 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
Carbon Ads · Microsoft Advertising · share of sites in each country using one or the other
United States
262
179,390
Italy
96
106,385
Germany
131
100,083
United Kingdom
146
87,382
France
123
73,584
Netherlands
94
63,866
India
263
59,833
Canada
126
57,630
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Carbon Ads | Microsoft Advertising |
|---|---|---|
| LCP | 1.6 s | 1.9 s |
| INP | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 800 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.
Microsoft Advertising to Carbon Ads
| Domain | When |
|---|---|
| heyfonts.com | Jun 2026 |