Why are iPad most visited thumbnails continue to show blank boxes?

I

iMore Question

I recently cleared my history on my iPad. Now, frequently used sites are not added to thumbnails on Most Visited. There are three blanks and they remain blank. How can I restore this page to function again?
 

Rob Phillips

iPhone X & Apple TV Champion, Moderator
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May 1, 2012
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Welcome to iMore! You'll just have to give Safari time to learn your most visited sites again.