Link Insertion
Paying to add a link into an existing published article, rather than commissioning a new post.
A link insertion is placing a link into a page that already exists and already has some authority, rather than publishing a new guest post to hold it. Sellers market it as cheaper and faster than a guest post. It is a paid link either way, so under Google's guidelines it should be marked rel="sponsored" and usually is not.
Definition
Link insertion — also sold as a "niche edit" or "curated link" — means an existing article on someone else's site is edited to add a link to yours. It is attractive because the host page may already be indexed, aged and ranking, so the link appears to carry more weight than one on a brand-new post.
It is a paid link. Google's guidelines require paid links to carry rel="sponsored" or rel="nofollow", and a link inserted into unrelated older content is a well-understood footprint.
Why It Matters
Bought links are the fastest way to acquire a link profile that does not match a site's actual profile — and the pattern is detectable. The risk is not just wasted budget but a manual action.
Example
A three-year-old post about kitchen renovation gains a paragraph mentioning a project management SaaS, linked. The paragraph fits awkwardly, and the topical distance between host and target is the giveaway.
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