What the Speed-to-Lead Research Actually Says
A careful read of the lead-response studies everyone cites - what the five-minute rule proves, what it does not, and how to apply it without a data team.
What the response-time research actually shows for real estate, legal, dental, home services and mortgage leads, and how to benchmark your own first reply.
There is no official scoreboard for lead response times, and anyone who shows you one is usually selling software. What does exist is a small set of cross-industry studies, a few public secret-shopper audits in specific verticals, and vendor datasets from the platforms that sit on top of the phone lines. Put them together and one pattern dominates: the average business is slow, the fast minority takes most of the advantage, and the industries with the most expensive leads are not reliably the fastest at answering them.
This is the benchmark picture as it stands in 2026, source by source, with the caveats each number deserves. If you want the full argument for why five minutes matters, our existing speed-to-lead research breakdown covers the 2007 study behind the five-minute target; this article is about what different industries actually do.
Two studies set the baseline for nearly every speed-to-lead conversation, and both measured something narrower than the claims built on them.
| Study | Sample | What it measured | Headline result |
|---|---|---|---|
| Harvard Business Review audit, 2011 | 2,241 US companies, one test web lead each | Time to first response | Average 42 hours, 23 percent never responded, 37 percent within one hour |
| Drift survey, 2017 | 433 B2B software companies, submitted demo and lead forms | Time to first response across channels | 7 percent within five minutes, 55 percent not within five business days |
Both studies have the same important limitation. They describe how companies behave, not how customers behave or what performance is achievable. An average of 42 hours sounds like a benchmark until you realize it is dragged upward by a long tail of companies that never responded at all. In the same data, more than a third of companies replied within an hour. The relevant competition is not the average; it is the fastest business your customer contacts.
There is also a decade of difference between the two samples. Drift tested software companies in 2017, before most SMBs had any texting or automation in place. If anything, the gap between the slow majority and the fast minority has widened since, which is why the advantage is still there for the taking.
The most readable public audit comes from Roof AI, which sent secret-shopper inquiries to the top 74 US real estate brokerages through their own websites. The results:
For agents and teams, the takeaway is uncomfortable. The study measured the largest brokerages in the country, the ones with the biggest marketing budgets, and found them losing roughly four in ten website leads to silence. If you respond in minutes, you are not competing against those brokerages. You are competing against the handful of them that answer. Our real estate lead response playbook covers what to do once the lead is live.
Clio has run the most rigorous legal industry responsiveness test twice, in 2019 and 2024, by emailing and phoning law firms with a typical prospective-client inquiry. The 2024 results were worse than 2019:
| Measure | 2019 | 2024 |
|---|---|---|
| Firms that responded to email | 40% | 33% |
| Firms that answered a phone call | 56% | 40% |
| Firms unreachable by phone even after a voicemail | 27% | 48% |
| Firms that responded to a voicemail | 43% | 20% |
The firms that did respond were quick. In 2024, every firm that answered email did so within two business days, and 84 percent responded within eight hours. That is the pattern across every industry dataset here: responsiveness is bimodal. Businesses either answer quickly or they effectively never answer, and the middle is thin.
Independent dental data is scarcer than the other verticals, which is itself useful information. Peerlogic, a dental call intelligence vendor, analyzed its book of practice calls and reports that only 68 of every 100 new patient calls to a dental practice are answered, and only 42 percent of answered calls result in a booked appointment. A separate Peerlogic case study tracked 4,280 calls across 26 practices in February 2026 and found 38 percent of inbound calls went unanswered, with new-patient conversion at 25 percent.
Label those numbers correctly. They come from one vendor's customers, not a random sample of dentistry, and no independent study establishes a universal dental miss rate. But the direction matches every other vertical in this article: the phone is still the main channel for high-intent patients, and the phone is where practices leak. Practices that check their own phone system for answer rates and same-day callbacks will learn more in a week than any industry average can teach them.
Home services has the best current expectation data, thanks to Jobber's 2026 Home Service Trends Report, a survey of 1,050 US home service business owners.
Read those two sides together and the opportunity is obvious: more than half of customers want an answer inside an hour, and roughly one in five businesses delivers one. The gap is not a mystery; it is a process gap. Our after-hours booking guide covers the part of the week where the gap is widest.
The quantitative case for calling fast comes mostly from Velocify, which analyzed several million internet leads for its Speed-to-Call study. The findings:
Velocify measured advertised internet leads, largely in mortgage, insurance, education and fitness, so the exact multipliers do not transfer to every business. The ordering does. Every additional minute of delay is associated with a lower chance of conversion, and the first two minutes carry more weight than the rest of the day combined. A companion Velocify report, Faster is Better, tested 20 companies by submitting five leads each and found that only 7 percent of prospects received a call within one minute.
Four cautions before you set targets from any number above.
If the median is measured in hours, don't start by hiring. Start by making the first minute automatic. A text back for missed calls starts the clock honestly, and the speed-to-lead response workflow and lead capture automation service are the two places we usually begin. When the replies arrive faster than a human can work them, an AI follow-up agent can qualify and book while the lead is still warm.
Benchmarks are context; a working first-response system is the actual goal. The six-step plan on our home page starts with your current response times and builds from there, and you can book a call if you would rather walk through the data with someone who has seen the pattern in dozens of trades.
A careful read of the lead-response studies everyone cites - what the five-minute rule proves, what it does not, and how to apply it without a data team.
A realtor's playbook for answering leads fast, choosing the right first channel, qualifying politely, and following up until a showing is booked.
Map your lead journey from capture to reactivation, answer 12 questions, score each stage and find the leaks costing you deals, in one sitting.
More articles: browse the full Praktivo blog.