jQuery UI vs LazySizes

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

Top sites by authority

jQuery UI · LazySizes · 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

jQuery UI · LazySizes · share of sites in each country using one or the other

United States 585,514

257,174

Germany 246,243

86,805

India 254,733

75,535

United Kingdom 201,723

86,179

Brazil 208,190

67,920

France 210,785

65,045

Italy 195,443

60,550

Spain 180,678

54,170

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

Real user performance

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 jQuery UI sites · All LazySizes sites