My mobile device is a Moto G Play 2016. In general, it's still snappy handling apps. But it tends to grind to a halt when loading websites in my firefox android browser. And loading a Medium.com article was particularly bad. So I finally got around and built a browser plugin that makes that situation better.
This plugin supports syntax highlighting and bypass the Medium paywall. Gists, embeds, images still works.
It saves my hardware's resources, better reading experience, and probably even saves battery life.
Now I no longer dread clicking on a medium link in search results =D