Online Appointment Booking: Tools Compared and When It Increases Inquiries

When is online appointment booking worthwhile for a business?

A prospect writes through the contact form that they would like to talk about a project. Sales replies the next day with three suggested times. Two days later the answer comes back that none fits, along with two counterproposals, one of which is now taken. After a week the appointment is fixed, or the prospect has talked to a competitor in the meantime. Online booking promises to abolish this back and forth.

This comparison answers the question: What kinds of online booking tools are there, and when does appointment booking increase the number of inquiries and conversations? We first clarify the terms and a model from psychology that explains why a fixed appointment is more binding than an intention. Then we look at what research knows about missed appointments, compare four kinds of tools and weigh two views. At the end are rules for setting it up.

A booking link sells nothing. It shortens the time between the moment someone wants to talk and the conversation.

What is online booking, and why does a fixed appointment work?

Online appointment booking means that a prospect or customer selects a free slot from the business’s calendar themselves, without first having to talk to anyone. The tool shows only the times the business has released, enters the appointment in both calendars, sends a confirmation and usually reminders too. In the article on the website inquiry path, booking is one of three inquiry paths, alongside the form and the callback request.

Why a fixed appointment is more binding than an open intention is explained by the model of implementation intentions, developed by the psychologist Peter Gollwitzer from the 1990s onward. An implementation intention is an if-then plan: if situation X occurs, then I will do Y. It differs from a mere goal intention such as “I want to talk to the supplier” in that it specifies when, where and how to act.

Gollwitzer and Sheeran (2006) summarized the studies in a meta-analysis and found a medium-to-large effect of such plans on goal attainment. Webb and Sheeran (2008) examined why. In a meta-analysis of 66 tests, if-then plans hardly changed either the strength of the intention or self-efficacy. Their effect rested on the specified opportunity being more readily available in memory and firmly linked to the planned action.

What does research know about missed appointments?

The main drawback of booked appointments is that some are not kept. Amberger and Schreyer (2024) reviewed research on missed appointments across disciplines: 98 studies, 41 on causes and 57 on countermeasures, mainly from healthcare, education and sports. Despite all differences, they found commonalities among the causes, mostly related to the characteristics of the offering and the costs of attending. One recurring pattern: the longer the time between booking and appointment, the more often it is missed.

Among countermeasures, the authors document a promising effect mainly for reminders. Overall, however, knowledge about effective countermeasures is less established than knowledge about causes. Liu and KC (2023) provide an example of a well-evidenced design: in their field experiment, text message reminders that also pointed to the long wait until the next free slot reduced missed appointments by 28.6 percent. The note made the cost of a missed appointment visible.

Both studies come mainly from healthcare and consumer markets. There are hardly any studies on B2B first meetings. But the mechanisms transfer: an appointment three weeks away is more vulnerable than one in three days.

Four kinds of tools compared

Instead of rating individual products, I compare four kinds of tools by the same criteria. The examples are for orientation; features and prices should be checked with the provider before deciding.

An example of differences within one kind: according to Google, users of Google Calendar with a personal account or certain basic Workspace plans can create one booking page with unlimited appointments free of charge. Several appointment types with their own pages and additional reminders are available only in eligible paid plans. According to Microsoft, Microsoft Bookings is included in the Business plans of Microsoft 365.

For most small businesses, the first or third kind is the sensible starting point. If you already use a calendar in Google or Microsoft, you usually need no further tool for a simple first meeting. If you run a CRM, check whether it has a meeting function before introducing an additional tool. Which functions a small team really needs in a CRM is described in the article on CRM for small businesses.

Two views: does booking increase inquiries or deter them?

The first view says booking increases inquiries. It lowers the hurdle because the prospect does not have to write anything, it works around the clock, and it uses the moment someone wants to talk. The article on the inquiry path cites a study by Oldroyd, McElheran and Elkington (2011) according to which companies took 42 hours on average to respond to an online inquiry. Booking cuts this time to zero.

The second view says booking deters or brings the wrong appointments. A calendar link without explanation demands a commitment from the prospect before they know what they are getting into. For business customers who first want to clarify a question, it feels like a sales pitch they did not order. And bookings without any screening take up time that is then missing for suitable prospects.

I consider both views correct, depending on the prospect’s situation. Booking increases inquiries where a conversation is the usual next step anyway and the prospect knows what to expect: duration, format, content. It helps little where the request first needs explaining or documents need reviewing. There the form is better, and booking follows as a second step. For most businesses this means one main path and one secondary path, not three of equal rank.

How do you set up booking so that appointments take place?

The findings yield clear rules. They add to the five steps from the article on the inquiry path.

1. Offer short lead times

   Release slots in the next three to ten working days, not three weeks out. Long lead times are associated with more no-shows.

2. Make the appointment concrete

   The booking page states duration, format, the name of the person leading the meeting with a photo and one sentence on what happens in the meeting and afterwards. This turns the appointment into an if-then plan with a clear picture.

3. Ask one screening question

   A single mandatory question, for example about the request or the size of the business. It helps with preparation and keeps obviously unsuitable bookings away.

4. Set buffers and limits

   15 minutes of buffer between appointments, at most three to four first meetings a day, booking no earlier than the next working day. Otherwise the calendar becomes a trap.

5. Make reminders and rescheduling easy

   Confirmation immediately, reminder the day before with a link to reschedule. A rescheduled appointment is better than a missed one.

6. Pass on the source

   The booking link in ads, emails and on the trade show page carries an identifier so every appointment keeps its source all the way to the order.

How a first meeting should be structured so that the appointment leads to a next step is described in the article on the first sales meeting. Confirmation, reminder and transfer to the CRM are typical routine tasks that can be automated, as the article on automating sales shows.

How do you measure whether booking increases inquiries?

Whether booking pays off is shown by a before-and-after comparison over at least three months. Count all inquiries through all paths, because booking can also draw inquiries away from the form without bringing new ones.

For ads and trade shows, the booking link is often the most direct route from interest to conversation. How an ad’s landing page should be built when it promises an appointment is described in the article on aligning ads and landing pages. How to pre-book trade show meetings is shown in the article on extending your trade show presence digitally.

The next step

• Clarify which step usually follows an inquiry in your business: a conversation or a written answer.
• Check whether your existing calendar or CRM already has a booking function.
• Create one meeting type for a first meeting: duration, format, person, one sentence on the process.
• Release only slots in the next three to ten working days, with buffers and a daily limit.
• Set up one mandatory screening question and a reminder the day before with a reschedule link.
• Check the data processing agreement and privacy policy.
• Note the number of all inquiries and first meetings of the past three months so you can compare later.

Conclusion: when does online booking increase inquiries?

The guiding question was which kinds of tools exist and when online booking increases the number of inquiries and conversations. Four kinds of tools are available: booking pages in your existing calendar, standalone scheduling tools, meeting functions in the CRM and industry systems. For most small businesses, the function already built into their calendar or CRM is enough. The model of implementation intentions explains why a fixed appointment is more binding than an intention, and research on missed appointments shows that short lead times and reminders help.

Booking increases inquiries where a conversation is the usual next step and the prospect knows what to expect. Where the request first needs explaining, the form remains the better main path. The tool is the smaller part of the decision. The larger part is an honestly maintained calendar, short lead times and a conversation that delivers what the booking page promises.