Mobile device detection in Nginx with just 7 lines of configuration

 

### Testing if the client is a mobile or a desktop.

### The selection is based on the usual UA strings for desktop browsers.

## Testing a user agent using a method that reverts the logic of the

## UA detection. Inspired by notnotmobile.appspot.com.

map $http_user_agent $is_desktop {

default 0;

~*linux.*android|windows\s+(?:ce|phone) 0; # exceptions to the rule

~*spider|crawl|slurp|bot 1; # bots

~*windows|linux|os\s+x\s*[\d\._]+|solaris|bsd 1; # OSes

}

## Revert the logic.

map $is_desktop $is_mobile {

1 0;

0 1;

}