Both contemporary to insert a favicon?

Like on modern insert faviconico, in what format? Look just put some png and all. What edyat modern browsers and what size? To the retina is also OK. Thank you.
July 8th 19 at 15:41
2 answers
July 8th 19 at 15:43
July 8th 19 at 15:45
I'm doing here -
Also use a good website. - rhianna_Yost commented on July 8th 19 at 15:48

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