⚡ Performance in Luxembourg

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.

Luxembourg is a Western European country with a population of over 660 thousand people.

According to our data, performance technologies are used on 52% of websites from Luxembourg.

⭐ Most Popular in 2026

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

The most popular is ⏳ Lazy loading with an impressive share of 54.5%, followed by DNS Prefetch with 50.5% and Preconnect with 33.4%.

⏳ Lazy loading 54.5%
DNS Prefetch 50.5%
Preconnect 33.4%
Preload 32.5%
Speculation Rules 24.9%
Lazysizes 4.8%
Prefetch 2.2%
Autoptimize 2.1%
WP Fastest Cache 1.5%
Rocket Loader 0.9%
WP-Optimize 0.6%
PageSpeed 0.6%
jQuery LazyLoad 0.4%
Critters 0.4%
Hummingbird 0.4%

🚀 Highlights

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

7. Prefetch ^(-1)
9. WP Fastest Cache ^(-1)
14. Critters ^(-9)
15. Hummingbird ^(-2)
17. Vanilla LazyLoad ^(-1)
18. Turbo ^(-2)
20. Quicklink ^(-6)

✨ Best Performance Technologies

Below is a more detailed list of the top 25 of the 25 performance technologies used on sites from Luxembourg, 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.	54.5%
2	DNS Prefetch Cambridge, Massachusetts, United States The rel="dns-prefetch" attribute on HTML elements.	50.5%
3	Preconnect Cambridge, Massachusetts, United States The rel="preconnect" attribute on HTML elements.	33.4%
4	Preload Cambridge, Massachusetts, United States The rel="preload" attribute on HTML elements.	32.5%
5	Speculation Rules Mountain View, California, United States API is used to improve navigation performance by prefetching or even prerendering future navigations.	24.9%
6	Lazysizes Berlin, Germany A fast lazy loader library for images, iframes, and scripts/widgets. FreeOpen source	4.8%
7	Prefetch Cambridge, Massachusetts, United States The rel="prefetch" attribute on HTML elements.	2.2%
8	Autoptimize Lokeren, Belgium A WordPress plugin that aggregates, minifies and caches scripts and styles, and defers CSS and scripts. FreeOpen source$12.99/month	2.1%
9	WP Fastest Cache Ankara, Turkey A caching plugin that speeds up WordPress sites and improves the PageSpeed Insights score. FreeOpen source$49	1.5%
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	0.9%
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	0.6%
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.	0.6%
13	jQuery LazyLoad A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	0.4%
14	Critters San Francisco, California, United States A deprecated Webpack plugin that inlines your app's critical CSS and lazily loads the rest. FreeOpen sourceLegacy	0.4%
15	Hummingbird Melbourne, Australia A WordPress optimization plugin with built-in caching and CDN integration. FreeOpen source$15+/month	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	0.2%
17	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%
18	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%
19	Instant.Page Pau, France Uses just-in-time preloading - it preloads a page right before a user clicks on it. FreeOpen source	0.1%
20	Quicklink Mountain View, California, United States Faster subsequent page-loads by prefetching or prerendering in-viewport links during idle time. FreeOpen source	0.1%
21	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%
22	Perfmatters Scottsdale, Arizona, United States A WordPress plugin designed for performance optimization. $29.95+/year	0.07%
23	Turbolinks Chicago, Illinois, United States A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	0.07%
24	Prerender The rel="prerender" attribute on HTML elements.	0.07%
25	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	0.07%

👉 See Also

🌎 Performance in other countries

Data is based on the analysis of 2,705 websites from Luxembourg.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.