How do link tracking parameters affect CTA URLs?

Link tracking parameters-UTM codes, click IDs, redirect tokens-make URLs longer and potentially messier. While essential for attribution, they can affect deliverability and appearance if not handled properly.

Concerns: URL length-extremely long URLs look suspicious to some filters. Redirect chains-multiple redirects (your ESP + link shortener + destination) slow loading and can trigger warnings. Known tracker domains-some aggressive filters flag common ESP tracking domains. Visual appearance-ugly URLs visible in email clients that show them.

Track smartly without over-engineering. Use your ESP's built-in tracking (it's designed for deliverability). Avoid stacking additional shorteners on top. Keep parameter structures clean and consistent. If you notice deliverability issues, test whether removing certain parameters helps, but don't sacrifice attribution blindly.

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