Вот интересная статья в тему https://medium.com/@kofemilk/%D1%81%D0%BA%D0%BE%D0%BB%D1%8C%D0%BA%D0%BE-%D1%81%D1%82%D0%BE%D0%B8%D1%82-%D1%81%D0%BA%D0%B0%D0%BC-ico-%D0%B2-%D0%B4%D0%B0%D1%80%D0%BA%D0%BD%D0%B5%D1%82%D0%B5-29eca629266