You see the enquiries that make it through.
Those got answered, quoted, and either won or lost.
They show up in the numbers and feel like the whole picture.
Amber is everything that didn't get a prompt reply — and it has two causes.
The call at 7pm when nobody was there. And the 11am form that sat, because you were on a roof and the phone was in the ute.
Being open isn't the same as answering.
When someone did test this at scale — real enquiries to 2,241 companies — replying within the hour made qualifying the lead about seven times more likely than an hour later. Most replies took nearly two days.
Harvard Business Review, 2011, plus later replications