關於「Google photo search by image」標籤，搜尋引擎有相關的訊息討論：

Search with an image on Google - Androidsupport.google.com › websearch › answerGooglewww.google.com › imghpGoogle Lens – Apps on Google Playplay.google.com › store › apps › details › gl=TWGoogle Photos on the App Storeapps.apple.com › app › google-photosSimilar items: Rich prod