Stop Safari from filling pages as Preview photos

Everyday, the very first time I start Safari, if I most likely to the background or bookmarks tab, I get the adhering to message :

How can I stop Safari from motivating this message and also entirely disable the pages Preview?

I currently set the upgrade plan to 2 with this :

defaults write com.apple.Safari DebugSnapshotsUpdatePolicy -int 2
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2019-05-07 10:20:02
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Answers: 1

Try running this command in the incurable :

defaults write com.apple.Safari DidPromptToFetchRecentHistoryPreviews -bool YES
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2019-05-07 23:52:13
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