Why is slither Io not secure? The reason you are seeing the “Not Secure” warning is because the web page or website you are visiting is not providing a secure connection. When your Chrome browser connects to a website it can either use the HTTP (insecure) or HTTPS (secure).

Is Slither.io safe for my child?

There are ads in the free game but gamers report they are all appropriate for the 4+ age rating.

Why is Slither.io bad?

Slither.io just feels sluggish in comparison. That's partially down to the slow movement speed generally - even when you're a fresh snake just starting out - but it's also down to the turning circle. You feel more like a tank than a snake, which are fast and lithe in real life. It doesn't make a whole lot of sense.