The Most Common Causes of Redirect Loops
Loops are usually systemic
A redirect loop appears when one layer says “go there” and another says “come back here.” The browser reports a loop, but the actual cause is often split across app code, server config, CDN rules, and CMS plugins.
Common causes
- —HTTPS enforcement fighting proxy headers
- —www normalization fighting origin rules
- —locale redirects colliding with canonical paths
- —login or auth middleware bouncing users between states
How to debug faster
Trace the full chain, note which hop changes host or protocol, and identify which system owns that decision. Without that ownership view, teams keep patching symptoms.
Practical rule
Every redirect rule should have one owner and one purpose. When several layers are allowed to normalize the same URL, loops stop being an accident and become a probability.
Next Step
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