⚡ Performance in Denmark

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.

Denmark is a Northern European country with a population of over 5.9 million people.

According to our data, performance technologies are used on 61.1% of websites from Denmark.

⭐ Most Popular in 2026

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

The most popular is ⏳ Lazy loading with an impressive share of 60.1%, followed by DNS Prefetch with 50.3% and Preconnect with 40.3%.

⏳ Lazy loading 60.1%
DNS Prefetch 50.3%
Preconnect 40.3%
Preload 38.1%
Speculation Rules 20.2%
Lazysizes 3.9%
Prefetch 2.6%
WP Fastest Cache 1.7%
Autoptimize 1.7%
Rocket Loader 1.1%
WP-Optimize 0.6%
PageSpeed 0.6%
Hummingbird 0.5%
NitroPack 0.4%
Perfmatters 0.3%

🚀 Highlights

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

7. Prefetch ^(-1)
8. WP Fastest Cache ^(-2)
13. Hummingbird ^(-4)
14. NitroPack ^(-2)
17. Vanilla LazyLoad ^(-1)
19. Lozad.js ^(-2)
21. Prerender ^(-1)
22. Critters ^(-1)
24. Beasties ^(-1)
25. WebMarkupMin ^(-3)

✨ Best Performance Technologies

Below is a more detailed list of the top 25 of the 30 performance technologies used on sites from Denmark, 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.	60.1%
2	DNS Prefetch Cambridge, Massachusetts, United States The rel="dns-prefetch" attribute on HTML elements.	50.3%
3	Preconnect Cambridge, Massachusetts, United States The rel="preconnect" attribute on HTML elements.	40.3%
4	Preload Cambridge, Massachusetts, United States The rel="preload" attribute on HTML elements.	38.1%
5	Speculation Rules Mountain View, California, United States API is used to improve navigation performance by prefetching or even prerendering future navigations.	20.2%
6	Lazysizes Berlin, Germany A fast lazy loader library for images, iframes, and scripts/widgets. FreeOpen source	3.9%
7	Prefetch Cambridge, Massachusetts, United States The rel="prefetch" attribute on HTML elements.	2.6%
8	WP Fastest Cache Ankara, Turkey A caching plugin that speeds up WordPress sites and improves the PageSpeed Insights score. FreeOpen source$49	1.7%
9	Autoptimize Lokeren, Belgium A WordPress plugin that aggregates, minifies and caches scripts and styles, and defers CSS and scripts. FreeOpen source$12.99/month	1.7%
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	1.1%
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	Hummingbird Melbourne, Australia A WordPress optimization plugin with built-in caching and CDN integration. FreeOpen source$15+/month	0.5%
14	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	0.4%
15	Perfmatters Scottsdale, Arizona, United States A WordPress plugin designed for performance optimization. $29.95+/year	0.3%
16	jQuery LazyLoad A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	0.3%
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	0.3%
18	Instant.Page Pau, France Uses just-in-time preloading - it preloads a page right before a user clicks on it. FreeOpen source	0.2%
19	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%
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	Prerender The rel="prerender" attribute on HTML elements.	0.1%
22	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%
23	Turbolinks Chicago, Illinois, United States A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	0.1%
24	Beasties Edinburgh, United Kingdom A plugin that inlines your app's critical CSS and lazy-loads the rest. FreeOpen source	0.08%
25	WebMarkupMin Moscow, Russia A .NET library, also available as ASP.NET and ASP.NET Core extensions, that improves web application performance by reducing the size of HTML, XML, JS, and CSS code. FreeOpen source	0.08%

👉 See Also

🌎 Performance in other countries

Data is based on the analysis of 23,478 websites from Denmark.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.