⚡ Browser APIs in Poland

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.

Poland is a Central European country with a population of around 38 million people.

According to our data, browser APIs are detected on 30.9% of websites from Poland.

⭐ Most Popular in 2026

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

The most popular is Web Storage, which dominates the market with an overwhelming 86.5% share.
It is followed by Fetch with 15.4% and XMLHttpRequest with 12%.

Web Storage 86.5%
Fetch 15.4%
XMLHttpRequest 12%
Navigation Timing 2.9%
Beacon API 2.9%
WebSocket 2.2%
PerformanceObserver 1.7%
Interest-Based Advertising Opt-Out 1.4%
WebGL 0.9%
Geolocation API 0.7%
WebRTC 0.2%
Notifications API 0.06%
Origin Trials 0.05%
Screen Orientation API 0.05%
📢 Speech Synthesis API 0.04%

🚀 Highlights

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

2. Fetch ^(-1)
6. WebSocket ^(-1)
11. WebRTC ^(-2)
13. Origin Trials ^(-2)
15. 📢 Speech Synthesis API ^(-1)
16. Speech Recognition API ^(-1)

✨ Best Browser APIs

Below is a more detailed list of 17 browser APIs used on sites from Poland, ranked by their market share.

Rank	Name	Market share
1	Web Storage Cambridge, Massachusetts, United States A browser API and client-side key-value database that allows websites to store persistent data on users' devices.	86.5%
2	Fetch Cambridge, Massachusetts, United States A modern XMLHttpRequest alternative for fetching network resources.	15.4%
3	XMLHttpRequest Cambridge, Massachusetts, United States A JavaScript API to create HTTP requests.	12%
4	Navigation Timing Cambridge, Massachusetts, United States A part of the Performance API that provides metrics related to navigation from one page to another.	2.9%
5	Beacon API Cambridge, Massachusetts, United States Used to send asynchronous and non-blocking requests to a web server.	2.9%
6	WebSocket Fremont, California, United States API enables full-duplex communication between a web browser and a web server.	2.2%
7	PerformanceObserver Cambridge, Massachusetts, United States A part of the Performance API that is used to monitor performance measurement events.	1.7%
8	Interest-Based Advertising Opt-Out Allowed sites to exclude themselves from Federated Learning of Cohorts cohort calculations using the "interest-cohort=()" permission policy.	1.4%
9	WebGL A cross-platform, royalty-free open web standard for a low-level 3D graphics API based on OpenGL.	0.9%
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.	0.2%
12	Notifications API Cambridge, Massachusetts, United States Used to configure and display desktop notifications to the user.	0.06%
13	Origin Trials Mountain View, California, United States A way for developers to test and use experimental web platform features.	0.05%
14	Screen Orientation API Cambridge, Massachusetts, United States Exposes the current type and angle of the device's screen orientation, and dispatches events when it changes.	0.05%
15	📢 Speech Synthesis API A part of the Web Speech API that controls the text-to-speech service.	0.04%
16	Speech Recognition API A part of the Web Speech API that controls the speech recognition service.	0.02%
17	IndexedDB Cambridge, Massachusetts, United States A transactional NoSQL database system for the persistent storage of structured data inside a user's browser. Free	0.01%

👉 See Also

🌎 Browser APIs in other countries

Data is based on the analysis of 55,518 websites from Poland.
Statistics were last calculated on March 21, 2026.
For details, see our methodology and disclaimer.