Linking out to an authoritative site does not leak your page’s value, and the leak model is the part worth killing first. The idea that an outbound link drains your authority comes from an old, literal reading of PageRank where every link out was thought to bleed off “juice.” Google representatives have said for years that this is not how it works in practice. A relevant link to a good source does not diminish your page; you are not spending a finite pool of authority every time you cite someone.
What replaces the leak model is trust and context, not a promise of ranking gains. It is worth being precise here: an outbound link is not a direct ranking lever, and Google has been clear that simply linking to an authoritative page does not, by itself, lift your rankings. The benefit is indirect. Citing relevant, credible sources is part of how a page demonstrates it is well-researched and trustworthy, it lets readers verify claims and go deeper, and it helps place your content in the right topical neighborhood. Those are quality and experience signals, and they are the kind of thing the page is rewarded for having, even if the link itself is not a ranking factor in isolation.
The deciding quality is relevance, not the size of the domain you point to. A link to a genuinely relevant source that supports a specific claim does the work; linking to a famous site for its own sake does not. And because the value is contextual rather than a transfer of equity, you lose nothing by including a useful outbound link and gain a more credible, more complete page.
So leave useful outbound links in place instead of stripping them out of fear. Cite the sources that genuinely back your content, keep them relevant, and stop treating an external link as a tax on your own authority. It is not a leak, and it is not a magic boost; it is part of building a page that reads as trustworthy.