Searchlab Why Backlinks Disappear, and How to Get Them Back
Link loss is normal. Most sites lose a meaningful share of their backlinks every year to redesigns, deletions and expired domains. What separates good SEO from bad is noticing and reacting.
The usual causes, in order of frequency
- The page was redesigned. A refresh drops the old body content, and your link with it.
- The page was deleted. Now a 404, and the link is gone.
- The domain expired. The whole site vanished.
- The link was changed to nofollow. Often a blanket policy change rather than anything about you.
- A migration broke it. Your own URL changed and the old one was never redirected.
- Editorial removal. Someone decided the link no longer fit.
What to do when a link drops
- Confirm it is really gone. Temporary outages and rendering issues cause false alarms. Check the live page yourself.
- If your URL moved, fix your side. A 301 from the old URL recovers most of the value with no outreach needed. This is the easiest win and the most commonly missed.
- If the page 404s, offer the archive. Find the old version on the Wayback Machine and email the owner a friendly note with the exact context.
- If it was removed editorially, ask once. Politely, with a reason it still helps their readers. Then let it go.
- Prioritise. Chase the links from strong, relevant domains. Ignore the rest.
Prevention beats recovery: never delete a page that has earned links. Redirect it. And when you migrate, export your backlink list first, then verify every linked URL still resolves after launch.
How often to check
Monthly is enough for most sites. Check immediately after any migration, redesign or CMS change, since those are when losses cluster. A sudden drop in rankings with no obvious on-page cause is very often a lost link from a strong domain.
Frequently asked
Is losing backlinks always bad?
No. Losing low-quality or spam links is often neutral or positive. Losing relevant editorial links from strong domains is what to worry about.
Should I disavow lost links?
No, they are already gone. Disavow is for harmful links that still exist, and most sites never need it.
Can I get a link back after a redesign?
Often yes. Site owners rarely removed it deliberately, so a short email showing where it used to sit and why it helped readers works surprisingly well.