EmbedCopy the following HTML iframe code to your website:<iframe src="https://www.validify.ai/glossary/unsubscribe-rate-opt-out-rate/?embed=1&length=X" style="width:100%;height:300px;border:solid 1px black;" class="cm-embedded-content"></iframe>Copy to clipboard« Back to Glossary IndexUnique unsubscribes ÷ delivered/received messages (definition varies); a key indicator of relevance and list quality. « Back to Glossary Index
