Dark mode is incorporated into most modern browsers and OSs at this point. If your system is set to dark mode, your browser will run in dark mode also notify the site that you request dark mode. No server settings or accounts required. The site just needs to be configured to respect that request.
Aside from that they can also store your preference according to cookies.
Dark mode is incorporated into most modern browsers and OSs at this point. If your system is set to dark mode, your browser will run in dark mode also notify the site that you request dark mode. No server settings or accounts required. The site just needs to be configured to respect that request.
Aside from that they can also store your preference according to cookies.