Speed-to-Lead
The time between a prospect responding and you answering. The highest-ROI variable in outbound, because contact rates collapse within minutes.
Speed-to-lead measures how fast you respond when someone raises their hand. Contact and conversion rates drop sharply within the first few minutes of a reply, so answering in five minutes versus thirty can change connect rates by an order of magnitude.
The standard — minutes, around the clock, every time — exceeds human availability, which is why the operations that win it automate the first response rather than relying on hustle.
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