⚡ Performance in the United States

Website performance can be improved through a variety of technologies that optimize resource loading, defer non-essential content, minify HTML, CSS, and JavaScript code, and delay script execution.

The United States of America (USA) is a North American country with a population of over 341 million people.

According to our data, performance technologies are used on 59.5% of websites from the United States.

⭐ Most Popular in 2026

The following chart shows the top performance technologies in the United States in 2026, based on market share.

The most popular is ⏳ Lazy loading with an impressive share of 56.9%, followed by DNS Prefetch with 56.2% and Preconnect with 46%.

⏳ Lazy loading 56.9%
DNS Prefetch 56.2%
Preconnect 46%
Preload 34.1%
Speculation Rules 26.7%
Lazysizes 4.1%
Autoptimize 1.9%
Prefetch 1.6%
Rocket Loader 1.4%
WP Fastest Cache 1.3%
WP-Optimize 0.9%
NitroPack 0.9%
Hummingbird 0.7%
Perfmatters 0.6%
Instant.Page 0.5%

🚀 Highlights

Here is a list of the top technologies that are more popular in the United States than worldwide.
Differences between global and country rankings are shown in parentheses.

12. NitroPack ^(-4)
13. Hummingbird ^(-4)
14. Perfmatters ^(-1)
19. Prerender ^(-3)
20. Lozad.js ^(-1)

✨ Best Performance Technologies

Below is a more detailed list of the top 25 of the 32 performance technologies used on sites from the United States, ranked by their market share.

Rank	Name	Market share
1	⏳ Lazy loading Cambridge, Massachusetts, United States A technique to load non-critical images and iframes marked with the loading="lazy" attribute only when needed.	56.9%
2	DNS Prefetch Cambridge, Massachusetts, United States The rel="dns-prefetch" attribute on HTML elements.	56.2%
3	Preconnect Cambridge, Massachusetts, United States The rel="preconnect" attribute on HTML elements.	46%
4	Preload Cambridge, Massachusetts, United States The rel="preload" attribute on HTML elements.	34.1%
5	Speculation Rules Mountain View, California, United States API is used to improve navigation performance by prefetching or even prerendering future navigations.	26.7%
6	Lazysizes Berlin, Germany A fast lazy loader library for images, iframes, and scripts/widgets. FreeOpen source	4.1%
7	Autoptimize Lokeren, Belgium A WordPress plugin that aggregates, minifies and caches scripts and styles, and defers CSS and scripts. FreeOpen source$12.99/month	1.9%
8	Prefetch Cambridge, Massachusetts, United States The rel="prefetch" attribute on HTML elements.	1.6%
9	Rocket Loader San Francisco, California, United States CloudFlare Rocket Loader prioritizes website content by delaying loading of all JavaScript until after rendering. Free$25+/month	1.4%
10	WP Fastest Cache Ankara, Turkey A caching plugin that speeds up WordPress sites and improves the PageSpeed Insights score. FreeOpen source$49	1.3%
11	WP-Optimize Newport, Wales, United Kingdom An all-in-one WordPress plugin that cleans your database, compresses your images, and minifies and caches your website. FreeOpen source$49/year	0.9%
12	NitroPack Sofia, Bulgaria A performance optimization solution for WordPress, WooCommerce, Magento, and OpenCart that offers caching, code, image, and font optimization, and a built-in CDN. $17.50+/month	0.9%
13	Hummingbird Melbourne, Australia A WordPress optimization plugin with built-in caching and CDN integration. FreeOpen source$15+/month	0.7%
14	Perfmatters Scottsdale, Arizona, United States A WordPress plugin designed for performance optimization. $29.95+/year	0.6%
15	Instant.Page Pau, France Uses just-in-time preloading - it preloads a page right before a user clicks on it. FreeOpen source	0.5%
16	jQuery LazyLoad A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	0.4%
17	PageSpeed Mountain View, California, United States An open-source web server module for rewriting web pages to reduce latency and bandwidth, available for Apache and Nginx.	0.4%
18	Vanilla LazyLoad A lightweight and flexible script that speeds up your web application by delaying the loading of your below-the-fold images, videos and iframes until they enter the viewport. FreeOpen source	0.3%
19	Prerender The rel="prerender" attribute on HTML elements.	0.2%
20	Lozad.js New Delhi, India Highly performant, light and configurable lazy loader for images and iframes in pure JS with no dependencies. FreeOpen source	0.2%
21	Turbo Chicago, Illinois, United States A lightweight JavaScript library that provides the speed and feel of a single-page application without requiring developers to write any JavaScript. FreeOpen source	0.2%
22	Turbolinks Chicago, Illinois, United States A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	0.2%
23	Critters San Francisco, California, United States A deprecated Webpack plugin that inlines your app's critical CSS and lazily loads the rest. FreeOpen sourceLegacy	0.1%
24	Performance Lab San Francisco, California, United States A WordPress plugin that allows you to test new performance features introduced by the official WordPress Performance Team. FreeOpen source	0.1%
25	Beasties Edinburgh, United Kingdom A plugin that inlines your app's critical CSS and lazy-loads the rest. FreeOpen source	0.07%

👉 See Also

🌎 Performance in other countries

Data is based on the analysis of 543,806 websites from the United States.
Statistics were last calculated on March 20, 2026.
For details, see our methodology and disclaimer.