Ensuring reliable WiFi connection on esp32

[prarthana_bhat]

So, I'm working on a project which needs to constantly send sensor data to my server over Wi-Fi.

I want the device to be portable, so I want the esp32 to automatically reconnect to Wi-Fi every time I switch it off and back on. I have used this library, and it serves the exact purpose of what I want to do in my project : https://github.com/Hieromon/AutoConnect

However, I find this to be very unreliable as the esp32 fails to connect to WiFi 6 times out of 10. Is there any way to make it more reliable? Or is there any other library which I can use in it's place?