This plugin actually eliminate all render-blocking JavaScript from my website

I actually already move some javascript to the footer and there is just 4 javascript that placed at the top . But according to google page speed insight , my website have 18 render-blocking JavaScript issue .

then I found this plugin and install it , Initially I was afraid if this plugin would break the look of my website . but surprisingly all of my javascript issue are solved , and now i have 0 render-blocking JavaScript issue .

thank you very much ! what a great plugin !