Added setup guide links for Wordpress, Squarespace, Wix, SharePoint, Joomla, Shopify and Google Tag Manager to the 'No data' email and to the tracking code page.
noreferrer we wouldn't need anymore AFAIK.
noopener is used by default in FF 79 https://bugzilla.mozilla.org/show_bug.cgi?id=1522083 , safari 68 https://webkit.org/blog/8475/release-notes-for-safari-technology-preview-68/ brave: https://github.com/brave/brave-browser/issues/1840
Here's a detailed list of supported browsers: https://caniuse.com/mdn-html_elements_area_implicit_noopener
Seems maybe opera and android browser doesn't have this fixed yet and maybe still need it for a while? Also samsung browser only seems to have it since recently etc.