SMS Term
Click-Through Rate (CTR)
The percentage of SMS recipients who click a link in your message. Calculated as (clicks ÷ delivered messages) × 100.
Related Terms
Unsubscribe Rate
The percentage of recipients who opt out after receiving a message. Calculated as (opt-outs ÷ delivered messages) × 100. A rate that climbs suggests messaging too often or sending irrelevant content.
Delivery Rate
The percentage of sent messages that successfully reach recipients. Calculated as (delivered messages ÷ sent messages) × 100.
TCPA (Telephone Consumer Protection Act)
U.S. federal law regulating telemarketing calls and text messages. Requires prior express written consent for marketing SMS, honoring opt-outs, and identifying your business. Violations can cost $500-$1,500 per message.