How to play YouTube videos in the background on your iPhone, without having to keep the app open

To play YouTube videos in the background while doing other things on your iPhone, you can use YouTube premium or Safari's desktop view mode.
Techno-Science.net

3 Easy Ways to Get the YouTube Music Desktop App

YouTube Music is an audio streaming service from Google. YouTube is for videos; YouTube Music is for audio. While a mobile app is available for Android and iOS, there is no dedicated YouTube Music ...

How to add links to your YouTube video descriptions on desktop or mobile

To add a link to a YouTube video description, you'll need to go through your account's Creator Studio. Here's how to do it on desktop or mobile.
Mint

Want to keep a YouTube video playing on repeat? Here’s how to loop it on mobile, desktop

Step 1: Open the YouTube app and play the video you want to loop. Step 2: Tap on the video player to bring up the controls, then tap on the gear icon in the top-right corner. Step 3: From the menu, ...