Making a video of a responsive website as it appears on a mobile phone takes some extra care. If you do not zoom in correctly or use the right browser tools your video can be too small to see or it may not be clear it is a mobile emulation.
You should use Device Mode & Mobile Emulation in the Chrome browser to make a video an emulated mobile phone view.
❌ Figure: Bad example - Using your browser makes it hard to see the video is a mobile phone demo
✅ Figure: Good example - Using Device Mode & Mobile Emulation in Chrome makes it clear the video is a mobile phone demo
Figure: How to adjust the video canvas in Camtasia to export HD video to YouTube