https://moz.com/community/q/topic/57180/is-there-a-quick-and-easy-way-to-check-a-website-to-see-which-outbound-links-open-in-the-browser-window-and-not-in-a-new-window/
I have just come across a few blogs on a website that have outbound links that open in the browser window (and therefore direct people off site to these links)...
easy wayquickcheck
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