It is known that paywalled articles are less read, and less cited, than open-access articles. See e.g. https://www.timeshighereducation.com/home/open-access-pap

It is known that paywalled articles are less read, and less cited, than open-access articles. See e.g. https://www.timeshighereducation.com/home/open-access-papers-gain-more-traffic-and-citations/2014850.article https://www.timeshighereducation.com/home/open-access-papers... Sadly, this is much less important to researchers than the name of the journal that they publish in.