There is a site directory made on bootstrap. In the catalog, each link leads to its own page. In each link, the target = _blank attribute is set so that each page opens in a new tab. However, on mobile phones it is necessary that this attribute should not be as in mobile browsers in this case the return arrow to the previous page is not active.
The option to draw two links for small screens and large screens will not work as this will not have a very good effect on seo as I understand it.
target="_blank"from all internal links of the site, because it has long been common in the development of the RuNet that all internal links open in the same window, unless of course you are making a site for China, there’s a different concept - MasterAlex