I don't believe this is currently possible, but am interested to see if anyone has any workarounds.
Thanks, Matthew. Hope Tableau will add more web page functions.
I wonder that have you find solution or not?
you could set up parameter value in URL address, that give you ability to present Google and Bing result at same time. please find workbook in attachments.
Nice job, Wendy; that looks like it may work for what he is wanting. Cheers!