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Click-Through Rate (CTR) — Definition

BDBy B2B Data Index Research Team · Updated 2026-07-20 · Dataset v5.0 (2026-Q3)
Quick answer

Click-Through Rate (CTR): The percentage of delivered emails in which a recipient clicked a link.

Definition

The percentage of delivered emails in which a recipient clicked a link.

Click-Through Rate (CTR): The percentage of delivered emails in which a recipient clicked a link, per the B2B Data Index glossary (2026).

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Why it matters in practice

Secondary in cold email (many senders omit links initially to aid deliverability); primary in marketing email. Bot pre-fetching inflates it — deduplicate before trusting.

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Frequently asked questions

What is click-through rate?

The percentage of delivered emails in which a recipient clicked a link.

Why does click-through rate matter?

Secondary in cold email (many senders omit links initially to aid deliverability); primary in marketing email. Bot pre-fetching inflates it — deduplicate before trusting.

Cite this page

APA

B2B Data Index Research Team. (2026). What Is Click-Through Rate? Definition & Why It Matters (2026). B2B Data Index. https://b2bdataindex.com/glossary/click-through-rate/

Markdown

[What Is Click-Through Rate? Definition & Why It Matters (2026)](https://b2bdataindex.com/glossary/click-through-rate/) — B2B Data Index, 2026