How to cast Opera browser to TV using Google Chromecast

Chromecast is a simple plug and play dongle from Google. It has been a great success among the millennials, owing to its cheap pricing and great support for third-party apps. However, not many prefer the Chrome browser due to rigorous RAM Consumption in the background and often runs slow sometimes. What if you prefer other browsers like the Opera as your daily driver? Will Chromecast work in Opera? How to cast from Opera? We are here to answer your questions.