Try Playing with Slither.io App
Slither.io game is one of the most loved games on the internet and this is the main reason developers managed to launch slither.io app as soon as possible in order to meet the increasing demand coming from the players. It has been possible for players to download the slither.io app on their any mobile devices and start playing the game wherever they are. However there are some disadvantages of playing slither.io through the mobile devices such as the slither.io lag problems.
Most of the players experience slither.io lag problems when they want to play slither.io through the slither.io app. This is not because of the crowded slither.io servers but this is all because you do not have a stable internet connection. In the event that you want to avoid such problems while you are playing the game through the slither.io app then you may consider to connect to your Wi-Fi with your mobile devices instead of usig your cellular data. This will highly eliminate your problem and you can have fun by playing the game on the slither.io app.
Make sure you disable any other slither.io extension and scripts first!
How to install user scripts?
Firefox and related browsers: Greasemonkey.
Google Chrome, Chromium, and related browsers: Tampermonkey.
Opera (version 15 and later): Tampermonkey or Violentmonkey.
Opera version 12 and earlier supports user scripts natively. Violentmonkey provides a friendlier UI and better compatibility.