⚡ Performance Optimization in Congo

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

Congo is a Central African country with a population of over 102 million people.

According to our data, performance optimization technologies are used on 73.4% of websites from Congo.

Statistics based on 173 analyzed websites. About this data

⭐ Most Popular in 2026

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

The most popular is DNS Prefetch with an impressive share of 69.3%, followed by ⏳ Lazy loading with 65.4% and Speculation Rules with 51.2%.

DNS Prefetch 69.3%
⏳ Lazy loading 65.4%
Speculation Rules 51.2%
Preconnect 50.4%
Preload 31.5%
WP Fastest Cache 4.7%
jQuery LazyLoad 2.4%
Lazysizes 2.4%
Autoptimize 2.4%
Rocket Loader 1.6%
Prefetch 1.6%
Instant.Page 0.8%
Turbolinks 0.8%
Turbo 0.8%
PageSpeed 0.8%

🚀 Highlights

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

1. DNS Prefetch ^(-1)
6. WP Fastest Cache ^(-3)
7. jQuery LazyLoad ^(-6)
12. Instant.Page ^(-2)
13. Turbolinks ^(-8)
14. Turbo ^(-5)
16. Hummingbird ^(-1)

✨ Best Performance Optimization Technologies

Below is a more detailed list of 17 performance optimization technologies used on sites from Congo, ranked by their market share.

Rank	Name	Market share
1	DNS Prefetch Cambridge, Massachusetts, United States The rel="dns-prefetch" attribute on HTML <link> elements instructs web browsers to resolve domain names for external resources before those resources are requested.	69.3%
2	⏳ Lazy loading Cambridge, Massachusetts, United States A technique to load non-critical images and iframes marked with the loading="lazy" attribute only when needed.	65.4%
3	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.	51.2%
4	Preconnect Cambridge, Massachusetts, United States The rel="preconnect" attribute on HTML <link> elements instructs browsers to establish early connections to external origins before resources are requested.	50.4%
5	Preload Cambridge, Massachusetts, United States The rel="preload" attribute on HTML <link> elements instructs web browsers to fetch important resources early before they are requested during page rendering.	31.5%
6	WP Fastest Cache Ankara, Turkey A caching plugin that speeds up WordPress sites and improves the PageSpeed Insights score. FreeOpen source$49	4.7%
7	jQuery LazyLoad Finland A deprecated jQuery lazy loading plugin. FreeOpen sourceLegacy	2.4%
8	Lazysizes Berlin, Germany A fast lazy loader library for images, iframes, and scripts/widgets. FreeOpen source	2.4%
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	2.4%
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	1.6%
11	Prefetch Cambridge, Massachusetts, United States The rel="prefetch" attribute on HTML <link> elements tells the browser to download resources that are likely to be needed for future navigation when the current page is idle.	1.6%
12	Instant.Page Pau, France Uses just-in-time preloading - it preloads a page right before a user clicks on it. FreeOpen source	0.8%
13	Turbolinks Chicago, Illinois, United States A JavaScript library that allows web apps to behave like a single page application. FreeOpen sourceLegacy	0.8%
14	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	0.8%
15	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. FreeOpen source	0.8%
16	Hummingbird Melbourne, Australia A WordPress optimization plugin with built-in caching and CDN integration. FreeOpen source$15+/month	0.8%
17	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	0.8%

🗃️ 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 173 websites from Congo.
We currently track the presence of 34 performance optimization technologies across the web.
Of these, 17 were detected on websites from Congo.
Statistics were last calculated on September 27, 2026.
For more details, see our methodology and disclaimer.