⚡ Browser APIs in Luxembourg

Browser APIs (Application Programming Interfaces) are a set of functions that allow web developers to interact with the browser and system resources, providing features such as data storage, network requests, performance monitoring, graphics rendering, background tasks, and camera and microphone access.

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

According to our data, browser APIs are detected on 28.9% of websites from Luxembourg.

Statistics based on 2K+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the top browser APIs in Luxembourg in 2026, based on market share.

The most popular is Web Storage, which dominates the market with an overwhelming 81% share.
It is followed by Fetch with 12.7% and XMLHttpRequest with 9.4%.

Web Storage 81%
Fetch 12.7%
XMLHttpRequest 9.4%
Navigation Timing 6.5%
Beacon API 6.2%
WebSocket 4.5%
Interest-Based Advertising Opt-Out 3.4%
WebGL 2.7%
PerformanceObserver 1%
Geolocation API 0.7%
WebRTC 0.7%

🚀 Highlights

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

2. Fetch ^(-1)
6. WebSocket ^(-1)
7. Interest-Based Advertising Opt-Out ^(-1)
8. WebGL ^(-1)
11. WebRTC ^(-2)

✨ Best Browser APIs

Below is a more detailed list of 11 browser APIs used on sites from Luxembourg, ranked by their market share.

Rank	Name	Market share
1	Web Storage Cambridge, Massachusetts, United States A browser API that provides client-side key-value storage for websites, allowing data to be stored directly in a user's web browser.	81%
2	Fetch Cambridge, Massachusetts, United States A modern JavaScript API for requesting network resources and exchanging data between web applications and servers.	12.7%
3	XMLHttpRequest Cambridge, Massachusetts, United States A JavaScript API for sending HTTP and HTTPS requests and receiving data from web servers without reloading the current page.	9.4%
4	Navigation Timing Cambridge, Massachusetts, United States A part of the Performance API that provides metrics related to navigation from one page to another.	6.5%
5	Beacon API Cambridge, Massachusetts, United States Used to send asynchronous and non-blocking requests to a web server.	6.2%
6	WebSocket Fremont, California, United States A communication protocol that enables persistent, full-duplex data exchange between a client and a server over a single TCP connection.	4.5%
7	Interest-Based Advertising Opt-Out Allowed sites to exclude themselves from Federated Learning of Cohorts cohort calculations using the "interest-cohort=()" permission policy.	3.4%
8	WebGL Beaverton, Oregon, United States A cross-platform, royalty-free web standard that provides a low-level JavaScript API for rendering interactive 2D and 3D graphics directly in web browsers without plug-ins.	2.7%
9	PerformanceObserver Cambridge, Massachusetts, United States A part of the Performance API that is used to monitor performance measurement events.	1%
10	Geolocation API Cambridge, Massachusetts, United States Allows web applications to retrieve the user's location, including latitude and longitude.	0.7%
11	WebRTC A set of protocols and APIs that enable real-time communication natively from web browsers and and mobile applications.	0.7%

👉 See Also

🌎 Browser APIs 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 2,914 websites from Luxembourg.
We currently track the presence of 17 browser APIs across the web.
Of these, 11 were detected on websites from Luxembourg.
Statistics were last calculated on June 20, 2026.
For more details, see our methodology and disclaimer.