Touch scroll doesn't work fro some web pages

I am using a Surface Pro (original). Some web pages will not scroll with touch, including the Bing search results page. To scroll, I must use the stylus to create and manipulate a vertical scrollbar for these pages or connect the keyboard and use page up/down. I believe that this behavior has just begun with the Bing search results tab, but has been ongoing for some other pages. Other web pages in other tabs in the same Edge instance work fine.

Any suggestions?

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