MacBook Air early 2015
Mac Os High Sierra (10.13.1)
Processor: 2,7 GHz Intel Core i5
Memory : 8 Go 1867 MHz DDR3
Graphics : Intel Iris Graphics 6100 1536 Mo

My Browsers :

Brave version 0.19.134
Firefox version 57.0.4 (64 bits)
Chrome version 63.0.3239.132
Safari

Thank you !

Great project with great team.