⚡ Performance

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.

According to our data, performance technologies are used on 57% of all websites.
37.4% of these sites use only one performance technology, 31.6% use two, and 31% use three or more at the same time.

We have a separate category for caching technologies.

⭐ Most Popular in 2025

The following chart shows the leading performance technologies in 2025, based on market share.

The most popular is DNS Prefetch with an impressive share of 55.7%, followed by ⏳ Lazy loading with 53.2% and Preconnect with 38.6%.

🚀 Country Highlights

Here is a list of technologies that are especially popular in certain countries.
Differences between global and country rankings are shown in parentheses.

✨ Best Performance Technologies

Below is a more detailed list of the top 25 of the 32 performance technologies we track, ranked by their market share.

RankNameMarket share
1 DNS PrefetchCambridge, Massachusetts, United States

The rel="dns-prefetch" attribute on HTML elements.

2 ⏳ Lazy loadingCambridge, Massachusetts, United States

A technique to load non-critical images and iframes marked with the loading="lazy" attribute only when needed.

3 PreconnectCambridge, Massachusetts, United States

The rel="preconnect" attribute on HTML elements.

4 PreloadCambridge, Massachusetts, United States

The rel="preload" attribute on HTML elements.

5 Speculation RulesMountain View, California, United States

API is used to improve navigation performance by prefetching or even prerendering future navigations.

6 LazysizesBerlin, Germany

A fast lazy loader library for images, iframes, and scripts/widgets.

7 AutoptimizeLokeren, Belgium

A WordPress plugin that aggregates, minifies and caches scripts and styles, and defers CSS and scripts.

8 Rocket LoaderSan Francisco, California, United States

CloudFlare Rocket Loader prioritizes website content by delaying loading of all JavaScript until after rendering.

9 PrefetchCambridge, Massachusetts, United States

The rel="prefetch" attribute on HTML elements.

10 WP Fastest CacheAnkara, Turkey

A caching plugin that speeds up WordPress sites and improves the PageSpeed Insights score.

11 jQuery LazyLoad

A deprecated jQuery lazy loading plugin.

12 WP-OptimizeNewport, Wales, United Kingdom

An all-in-one WordPress plugin that cleans your database, compresses your images, and minifies and caches your website.

13 PageSpeedMountain View, California, United States

An open-source web server module for rewriting web pages to reduce latency and bandwidth, available for Apache and Nginx.

14 NitroPackSofia, Bulgaria

A performance optimization solution for WordPress, WooCommerce, Magento, and OpenCart that offers caching, code, image, and font optimization, and a built-in CDN.

15 PerfmattersScottsdale, Arizona, United States

A WordPress plugin designed for performance optimization.

16 HummingbirdMelbourne, Australia

A WordPress optimization plugin with built-in caching and CDN integration.

17 Instant.PagePau, France

Uses just-in-time preloading - it preloads a page right before a user clicks on it.

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.

19 Lozad.jsNew Delhi, India

Highly performant, light and configurable lazy loader for images and iframes in pure JS with no dependencies.

20 TurbolinksChicago, Illinois, United States

A JavaScript library that allows web apps to behave like a single page application.

21 TurboChicago, Illinois, United States

Gives you the speed of a single page web application without writing any JavaScript.

22 Performance LabSan Francisco, California, United States

A WordPress plugin that allows you to test new performance features introduced by the official WordPress Performance Team.

23 Prerender

The rel="prerender" attribute on HTML elements.

24 CrittersSan Francisco, California, United States

A deprecated Webpack plugin that inlines your app's critical CSS and lazily loads the rest.

25 QuicklinkMountain View, California, United States

Faster subsequent page-loads by prefetching or prerendering in-viewport links during idle time.

👉 See Also

Data is based on the analysis of 2,564,428 websites.
Statistics were last calculated on .
For details, see our methodology and disclaimer.