I wanted to reduce video load time and get rid of a hickup some vids would have so I bought this Google ethernet adapter for the 1st gen chromecast.
How to use a Chromecast without Wi-Fi
micro usb to rj45 ethernet adapter
Chromecast 1st gen : r/Chromecast
Chromecast - Wikipedia
This Might Be My Gadget of the Year
Review of the Ethernet Adapter for Google Chromecast
Does the Chromecast with Google TV support ethernet?
Lagging and most internet streaming problems by adding the Ethernet Adapter. 2nd Gen Fire Stick (not 1st gen). Fire TV 3. Alternatively,
Ethernet Adapter (silver) for CHROMECAST, FIRE TV Stick, 4K STICK ETC
RIP to my 1st gen chromecast lots of memories with this bad boy he