Key takeaways
- Affiliate links rot over time — products disappear, programs change URLs, offers expire.
- A dead link earns nothing and erodes reader trust, and you usually will not notice it by hand.
- Automated, scheduled checking catches breakage early; centralizing links makes each fix one-and-done.
Why affiliate links rot
Affiliate links are unusually fragile. Merchants discontinue products, affiliate programs migrate to new URLs, limited-time offers expire, and networks occasionally restructure their link formats. A link that worked when you published a review two years ago may now 404 or redirect somewhere useless — and every reader who clicks it is a lost sale plus a small dent in your credibility.
Why manual checking fails
In theory you could click through your links periodically. In practice, a content site accumulates hundreds of affiliate links scattered across years of posts, and no one clicks them all on a schedule. Breakage is silent: nothing alerts you, traffic looks normal, and the only signal is commissions quietly not happening.
Automated, scheduled checking
The reliable fix is to let the site check itself. A link monitor collects the links in your posts and tests them on a schedule — daily is common — flagging anything that returns an error (4xx or 5xx) or redirects somewhere unexpected. You get a list of exactly what to fix instead of a vague worry.
PressHangar Affiliate Link Sentinel does this with a daily background scan and a simple report of dead and redirected links.
Making fixes durable
Finding broken links is half the job; fixing them across many posts is the other half. If the same affiliate URL appears in twenty articles, you do not want to edit twenty posts. Routing affiliate links through a central link manager — for example short /go/ links — means you update the destination once and every post follows.
Frequently asked questions
- How often should I check links?
- An automated daily or weekly scan is plenty for most sites, and it runs without you remembering to do anything.
- What counts as a broken link?
- Anything returning a 404, 410 or 5xx error, and often unexpected redirects — for example a product link that now bounces to an unrelated homepage.
- How do I fix the same link in many posts at once?
- Route affiliate links through a central manager so the destination lives in one place; then one edit updates every post that uses it.