Cart Functionality vs Shopify

Head-to-head usage across the sites we track.

8,090,989
websites
vs
2,309,131
websites

Top sites by authority

Cart Functionality · Shopify · how many of each technology's sites sit in the web's highest authority tiers

Open Page Rank 9+ 146 36
Open Page Rank 8+ 2,468 361
Open Page Rank 7+ 10,226 1,434
Open Page Rank 6+ 20,356 3,004
Open Page Rank 5+ 37,111 6,078

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 · Shopify · share of sites in each country using one or the other

United States 737,680 233,179
United Kingdom 239,464 83,178
India 207,201 76,557
Germany 196,505 56,631
Canada 166,395 65,017
France 181,709 48,734
Australia 126,901 55,351
Italy 138,310 35,950

Audience countries from the Chrome UX Report, top markets of either technology.

Real user performance

Metric Cart Functionality Shopify
LCP 1.7 s 1.5 s
INP 75 ms 75 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.

All Cart Functionality sites · All Shopify sites

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