2 updated text formatting for better understanding of answer
source | link

You can use the Page Viewer Web Part only in a browser that supports the HTML IFRAME element.

Please try a different browser. It shall help.

sharepoint-server browser-compatibility

Use these tags to find more related information: #sharepoint-server #browser-compatibility

You can use the Page Viewer Web Part only in a browser that supports the HTML IFRAME element.

Please try a different browser. It shall help.

sharepoint-server browser-compatibility

You can use the Page Viewer Web Part only in a browser that supports the HTML IFRAME element.

Please try a different browser. It shall help.

Use these tags to find more related information: #sharepoint-server #browser-compatibility

1
source | link

You can use the Page Viewer Web Part only in a browser that supports the HTML IFRAME element.

Please try a different browser. It shall help.

sharepoint-server browser-compatibility