Google’s John Mueller reminded us that in relation to your CSS background photographs, Google will not be indexing or rating these photographs in picture search. John Mueller mentioned on Twitter “final I checked, we do not use CSS background photographs for picture search.”
John mentioned this additionally again in January 2018 when he mentioned Google Picture search doesn’t index and rank photographs from CSS background code.
The query wasn’t particular to background photographs however it was round if Google sees alt textual content of these photographs and the reply would possible be no.
Final I checked, we do not use CSS background photographs for picture search, so the purpose won’t be that related (additionally, what would a background picture rank for?). A easy option to test for aria labels indexing is to seek for the textual content in them: https://t.co/w5dOfsjg0a (=not listed)
— 🍌 John 🍌 (@JohnMu) April 12, 2021
Discussion board dialogue at Twitter.