This content originally appeared on W3C News and was authored by Xueyuan Jia
The Web Performance Working Group published today Page Visibility Level 2 as a Discontinued Draft. The content is now integrated in the HTML living standard.
Publication as a Discontinued Draft implies that this document is no longer intended to advance or to be maintained. It is inappropriate to cite this document as other than abandoned work.
This content originally appeared on W3C News and was authored by Xueyuan Jia
