⚡ Browser APIs in the United States

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.

The United States of America (USA) is a North American country with a population of over 341 million people.

According to our data, browser APIs are detected on 35.6% of websites from the United States.

⭐ Most Popular in 2026

The following chart shows the top browser APIs in the United States 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 XMLHttpRequest with 16.3% and Fetch with 13.7%.

🚀 Highlights

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

✨ Best Browser APIs

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

RankNameMarket 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.
2
XMLHttpRequest
Cambridge, Massachusetts, United States

A JavaScript API to create HTTP requests.
3
Fetch
Cambridge, Massachusetts, United States

A modern XMLHttpRequest alternative for fetching network resources.
4
Beacon API
Cambridge, Massachusetts, United States

Used to send asynchronous and non-blocking requests to a web server.
5
Navigation Timing
Cambridge, Massachusetts, United States

A part of the Performance API that provides metrics related to navigation from one page to another.
6
PerformanceObserver
Cambridge, Massachusetts, United States

A part of the Performance API that is used to monitor performance measurement events.
7
WebSocket
Fremont, California, United States

API enables full-duplex communication between a web browser and a web server.
8
Interest-Based Advertising Opt-Out

Allowed sites to exclude themselves from Federated Learning of Cohorts cohort calculations using the "interest-cohort=()" permission policy.
9
WebGL

A cross-platform, royalty-free open web standard for a low-level 3D graphics API based on OpenGL.
10
Geolocation API
Cambridge, Massachusetts, United States

Allows web applications to retrieve the user's location, including latitude and longitude.
11
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.
12
WebRTC

A set of protocols and APIs that enable real-time communication natively from web browsers and and mobile applications.
13
Origin Trials
Mountain View, California, United States

A way for developers to test and use experimental web platform features.
14
Speech Recognition API

A part of the Web Speech API that controls the speech recognition service.
15
Notifications API
Cambridge, Massachusetts, United States

Used to configure and display desktop notifications to the user.
16
IndexedDB
Cambridge, Massachusetts, United States

A transactional NoSQL database system for the persistent storage of structured data inside a user's browser.

Free
17
📢 Speech Synthesis API

A part of the Web Speech API that controls the text-to-speech service.

👉 See Also

Data is based on the analysis of 545,779 websites from the United States.
Statistics were last calculated on .
For details, see our methodology and disclaimer.