⚡ Performance in Spain

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.

Spain is a Southern European country with a population of around 48 million people.

According to our data, performance technologies are used on 66% of websites from Spain.

⭐ Most Popular in 2026

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

The most popular is ⏳ Lazy loading with an impressive share of 62.9%, followed by DNS Prefetch with 62.5% and Preconnect with 38.9%.

⏳ Lazy loading 62.9%
DNS Prefetch 62.5%
Preconnect 38.9%
Preload 34.2%
Speculation Rules 24.2%
Lazysizes 4.9%
Autoptimize 3.5%
WP Fastest Cache 3.3%
Prefetch 1.9%
Rocket Loader 1.7%
WP-Optimize 1.5%
PageSpeed 0.8%
Perfmatters 0.7%
jQuery LazyLoad 0.5%
Instant.Page 0.4%

🚀 Highlights

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

8. WP Fastest Cache ^(-2)
13. Perfmatters ^(-2)
18. Turbolinks ^(-1)
21. Critters ^(-2)
22. Performance Lab ^(-2)
23. Quicklink ^(-3)

✨ Best Performance Technologies

Below is a more detailed list of the top 25 of the 32 performance technologies used on sites from Spain, 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.	62.9%
2	DNS Prefetch Cambridge, Massachusetts, United States The rel="dns-prefetch" attribute on HTML elements.	62.5%
3	Preconnect Cambridge, Massachusetts, United States The rel="preconnect" attribute on HTML elements.	38.9%
4	Preload Cambridge, Massachusetts, United States The rel="preload" attribute on HTML elements.	34.2%
5	Speculation Rules Mountain View, California, United States API is used to improve navigation performance by prefetching or even prerendering future navigations.	24.2%
6	Lazysizes Berlin, Germany A fast lazy loader library for images, iframes, and scripts/widgets. FreeOpen source	4.9%
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	3.5%
8	WP Fastest Cache Ankara, Turkey A caching plugin that speeds up WordPress sites and improves the PageSpeed Insights score. FreeOpen source$49	3.3%
9	Prefetch Cambridge, Massachusetts, United States The rel="prefetch" attribute on HTML elements.	1.9%
10	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	1.7%
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	1.5%
12	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.	0.8%
13	Perfmatters Scottsdale, Arizona, United States A WordPress plugin designed for performance optimization. $29.95+/year	0.7%
14	jQuery LazyLoad A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	0.5%
15	Instant.Page Pau, France Uses just-in-time preloading - it preloads a page right before a user clicks on it. FreeOpen source	0.4%
16	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	0.3%
17	Hummingbird Melbourne, Australia A WordPress optimization plugin with built-in caching and CDN integration. FreeOpen source$15+/month	0.3%
18	Turbolinks Chicago, Illinois, United States A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	0.2%
19	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	0.2%
20	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%
21	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%
22	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%
23	Quicklink Mountain View, California, United States Faster subsequent page-loads by prefetching or prerendering in-viewport links during idle time. FreeOpen source	0.1%
24	Prerender The rel="prerender" attribute on HTML elements.	0.1%
25	Lozad.js New Delhi, India Highly performant, light and configurable lazy loader for images and iframes in pure JS with no dependencies. FreeOpen source	0.1%

👉 See Also

🌎 Performance in other countries

Data is based on the analysis of 84,963 websites from Spain.
Statistics were last calculated on March 20, 2026.
For details, see our methodology and disclaimer.