How Can I Detect If a Browser is Being Used on a Handheld Device?

Determining Handheld Device Browser Usage

To detect if a browser in a handheld device (iOS/Android phone/tablet) is utilized, consider the following techniques:

Method 1: Using the handheld Media Query

The handheld media query is a popular approach to identify handheld devices. However, as you mentioned, it may not work as expected in all cases. This is because some modern smartphones may not be considered "handheld" devices by this media query.

To use the handheld media query, you can try the following CSS code:

width: 600px;
@media handheld { width: 300px; }

Method 2: Using the device-width Media Query

An alternative approach is to use the device-width media query. This query targets devices based on their maximum screen width. For example, to target devices with a maximum screen width of 480px (common on smartphones and tablets), you can use the following code:

@media only screen and (max-device-width: 480px) {

Method 3: Detecting Pointer Input

Devices with touchscreens (such as smartphones and tablets) typically use a "none" or "coarse" pointer input, while traditional web browsers using a mouse or trackpad register a "fine" pointer input. You can harness this difference to detect handheld devices:

@media (pointer:none), (pointer:coarse) {

By incorporating these media queries into your code, you can dynamically adjust the styles of your elements based on whether the user is accessing your website from a handheld device or a conventional web browser.

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