Cart Functionality vs Centra
Head-to-head usage across the sites we track.
Top sites by authority
Cart Functionality · Centra · 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
Cart Functionality · Centra · share of sites in each country using one or the other
United States
737,680
43
United Kingdom
239,464
42
India
207,201
20
Germany
196,505
49
France
181,709
43
Canada
166,395
21
Brazil
145,168
7
Italy
138,310
29
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Cart Functionality | Centra |
|---|---|---|
| LCP | 1.7 s | 1.9 s |
| INP | 75 ms | 150 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 500 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.
Cart Functionality to Centra
| Domain | When |
|---|---|
| tallerdepizzes.com | Jan 2026 |
Centra to Cart Functionality
| Domain | When |
|---|---|
| elle.se | Jan 2026 |