Picture Wall - 288 pics
"AMP Has Irreparably Damaged Publishers’ Trust in Google-led Initiatives", Sarah Gooding (@wptavern)
"Page visibility and performance metrics", Eryk Napierała (@erykpiast) and Paweł Lesiecki (@liseuek)
"Keeping things fresh with `stale-while-revalidate`", Jeff Posnick (@jeffposnick) #HTTPheader #cache
"A one year #PWA retrospective", Zack Argyle (@zackargyle) for Pinterest Engineering (@PinterestEng)