⚡ Performance Optimization in El Salvador

Performance optimization technologies allow websites to load faster and respond more efficiently by improving how content and resources are handled and displayed to users.

El Salvador is a Central American country with a population of over 6.3 million people.

According to our data, performance optimization technologies are used on 77.5% of websites from El Salvador.

Statistics based on 574 analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top performance optimization technologies on websites in El Salvador in 2026, based on market share.

The most popular is Preconnect with an impressive share of 59.1%, followed by DNS Prefetch with 43.6% and ⏳ Lazy loading with 42.2%.

Preconnect 59.1%
DNS Prefetch 43.6%
⏳ Lazy loading 42.2%
Preload 28.1%
Speculation Rules 24.7%
Lazysizes 10.1%
Rocket Loader 2.2%
Turbo 2%
Prefetch 1.8%
Turbolinks 1.1%
Autoptimize 0.7%
NitroPack 0.7%
jQuery LazyLoad 0.7%
WP Fastest Cache 0.7%
Instant.Page 0.4%

🚀 Highlights

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

1. Preconnect ^(-2)
7. Rocket Loader ^(-2)
8. Turbo ^(-11)
10. Turbolinks ^(-10)
12. NitroPack ^(-4)
18. Beasties ^(-8)
19. Critters ^(-4)
21. Prerender ^(-1)

✨ Best Performance Optimization Technologies

Below is a more detailed list of 21 performance optimization technologies used on sites from El Salvador, ranked by their market share.

Rank	Name	Market share
1	Preconnect Cambridge, Massachusetts, United States The rel="preconnect" attribute on HTML elements instructs browsers to establish early connections to external origins before resources are requested.	59.1%
2	DNS Prefetch Cambridge, Massachusetts, United States The rel="dns-prefetch" attribute on HTML elements instructs web browsers to resolve domain names for external resources before those resources are requested.	43.6%
3	⏳ Lazy loading Cambridge, Massachusetts, United States A technique to load non-critical images and iframes marked with the loading="lazy" attribute only when needed.	42.2%
4	Preload Cambridge, Massachusetts, United States The rel="preload" attribute on HTML elements instructs web browsers to fetch important resources early before they are requested during page rendering.	28.1%
5	Speculation Rules Mountain View, California, United States A browser API that improves navigation performance by prefetching or prerendering pages that users are likely to visit next.	24.7%
6	Lazysizes Berlin, Germany A fast lazy loader library for images, iframes, and scripts/widgets. FreeOpen source	10.1%
7	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	2.2%
8	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	2%
9	Prefetch Cambridge, Massachusetts, United States The rel="prefetch" attribute on HTML elements tells the browser to download resources that are likely to be needed for future navigation when the current page is idle.	1.8%
10	Turbolinks Chicago, Illinois, United States A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	1.1%
11	Autoptimize Lokeren, Belgium A WordPress plugin that aggregates, minifies and caches scripts and styles, and defers CSS and scripts. FreeOpen source$12.99/month	0.7%
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	0.7%
13	jQuery LazyLoad A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	0.7%
14	WP Fastest Cache Ankara, Turkey A caching plugin that speeds up WordPress sites and improves the PageSpeed Insights score. FreeOpen source$49	0.7%
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	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%
17	Hummingbird Melbourne, Australia A WordPress optimization plugin with built-in caching and CDN integration. FreeOpen source$15+/month	0.4%
18	Beasties Edinburgh, United Kingdom A plugin that inlines your app's critical CSS and lazy-loads the rest. FreeOpen source	0.2%
19	Critters San Francisco, California, United States A deprecated Webpack plugin that inlines your app's critical CSS and lazily loads the rest. FreeOpen sourceLegacy	0.2%
20	Perfmatters Scottsdale, Arizona, United States A WordPress plugin designed for performance optimization. $29.95+/year	0.2%
21	Prerender Cambridge, Massachusetts, United States A deprecated browser hint that instructed web browsers to preload and render a web page in the background before navigation occurred. Legacy	0.2%

👉 See Also

🌎 Performance Optimization in other countries

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 574 websites from El Salvador.
We currently track the presence of 34 performance optimization technologies across the web.
Of these, 21 were detected on websites from El Salvador.
Statistics were last calculated on June 16, 2026.
For more details, see our methodology and disclaimer.