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What Are Webinars and How Do They Work?

The short version: a webinar is a live or recorded online presentation, usually 30 to 60 minutes, that trades useful information for an email address and, if it’s done well, a sale. It runs on a registration page, an email sequence, a video platform like Zoom, and a follow-up offer, and the whole thing only works if the content is good enough that people forgive you for pitching at the end.

What a webinar is, in plain terms

A webinar is a seminar delivered over the internet. That’s it. No magic. You get people to sign up with their email address, you show up on a set date and time (or you pre-record something and pretend it’s live, which we’ll get to), you teach or demonstrate something useful for 30 to 45 minutes, and then you make an offer.

I’ve run webinars since 2011, back when GoToWebinar was the only serious option and half my audience couldn’t get the audio working. I’ve done them for my own list of over 200,000 email subscribers and I’ve built them for clients with lists of 400 people. The mechanics haven’t changed much. What’s changed is how sceptical audiences have become about the format, because they’ve sat through hundreds of them by now and most were a 45 minute sales pitch dressed up as free training.

How webinars work, step by step

Here’s the full mechanic, from someone who has built the funnel more times than she can count.

  • Registration page: A simple landing page with a headline, three or four bullet points on what the person will learn, a date and time, and a form asking for name and email. Conversion rates on a decent registration page run between 30 and 50 percent of visitors.
  • Confirmation and reminder emails: The moment someone registers, they get a confirmation email with the join link. Then you email them again 24 hours before, one hour before, and often 15 minutes before. This isn’t nagging, it’s necessary, because without those reminders your live attendance rate collapses.
  • The platform: Zoom Webinar, Zoom Meetings, WebinarJam, or Demio are the ones I see used most. Zoom now dominates this space so completely that most people say “let’s do a Zoom” when they mean “let’s do a webinar,” which tells you something about how well Zoom built its brand around this exact use case, something I break down in my piece on Zoom’s marketing strategy.
  • The live session: You present, usually with slides, sometimes with screen share, occasionally with a co-host who fields chat questions while you talk. Good webinars front-load real value in the first 20 minutes before any mention of an offer.
  • The pitch: The last 10 to 15 minutes, where you present a product, service, or next step, usually with a limited-time bonus or discount to push people to act while they’re still on the call.
  • The replay: Sent to everyone who registered but didn’t attend live, often with a countdown timer on the replay page to recreate urgency.
  • The follow-up sequence: Three to five emails over the following week, each one hitting a different objection or benefit, driving people back to the offer.

That’s the whole machine. Registration page, reminders, live event, pitch, replay, follow-up. Everything else is decoration.

A real example, with the numbers that happened

In 2019 I ran a webinar for a small business software client on “how to build an email list from zero.” We had 1,140 people register over a two week promotion period, using a mix of Facebook ads and my own email list. Live attendance on the day was 391 people, which is 34 percent of registrants, and that’s a solid number. Anything above 30 percent live attendance is considered good in this industry.

Of those 391 live attendees, 47 bought the offer during or immediately after the call, at £97 each. Another 23 bought over the following five days from the replay and follow-up emails. Total: 70 sales from 1,140 registrants, which is a 6.1 percent registrant-to-sale conversion rate, and that’s a good result for a cold-ish audience with a £97 price point. If the offer had been £997, the conversion rate would have dropped, probably to somewhere around 1 to 2 percent, because higher ticket items need more trust built before someone hands over card details.

The thing that made that webinar work wasn’t the slides or the platform. It was that I gave away something people could use in the first 25 minutes, a step-by-step method for getting the first 500 subscribers, before I ever mentioned the product. People stayed because the free content alone was worth their time.

Live, automated, or hybrid: the three types you’ll encounter

People throw around “webinar” like it’s one thing. It isn’t.

Live webinars happen at a scheduled time with the presenter there, taking questions in real time. Best for building trust and handling objections on the spot, but you’re limited to how many times you can physically show up and present.

Evergreen or automated webinars are pre-recorded but played back as if they’re live, complete with a countdown clock and simulated chat comments to create the illusion of a live room. These run on autopilot, sometimes 24/7, and they’re the backbone of a lot of “passive income” course businesses you see advertised. I have mixed feelings about these, which I’ll get to in a second.

Hybrid webinars are pre-recorded content with a live Q&A tacked on at the end. This is a decent middle ground because it scales like automated but keeps the human trust element.

The bit most people selling webinar courses won’t tell you

Here’s the uncomfortable part. Attendance rates have been dropping for years, and the “you’ll get 40 percent live attendance” figure that gets quoted in every webinar course is increasingly optimistic. In my own experience over the last three years, live attendance on cold-audience webinars has drifted down to somewhere between 20 and 28 percent, not 35 to 40. People register out of genuine interest, then don’t show up, because everyone has fourteen browser tabs open and a calendar full of things they intended to attend and didn’t.

The second thing nobody likes admitting: automated evergreen webinars with fake countdown timers and scripted “live chat” comments from bots pretending to be attendees work less well than they used to, because audiences have got wise to the trick. I’ve sat in enough of these myself to spot the fake urgency within the first two minutes, and if I can spot it, so can your prospects. The format still converts, but the ceiling is lower than it was in 2016, and treating a recorded video as “live” without disclosing that is bordering on dishonest marketing, not just a growth hack.

What still works: real scarcity (a genuine bonus that disappears at a genuine deadline), real teaching (content dense enough that people take notes), and a presenter who sounds like a person, not a script being read off a teleprompter with forced enthusiasm.

The tools behind a decent webinar

You need more than a video platform. A working webinar setup usually includes a landing page builder for registration, an email tool for the reminder and follow-up sequences, slide design software, and something to promote the thing before anyone can register at all.

For the slides themselves, I’ve moved almost entirely to Figma for building clean, on-brand webinar decks, and the reason so many marketing teams have followed suit is worth understanding, which I cover in how Figma built its own marketing engine. For planning the actual content and flow of a webinar before I touch a slide, I still map it out on a whiteboard tool, and Miro is the one I keep coming back to, for reasons I get into in this look at Miro’s marketing strategy.

Promotion matters as much as the webinar itself. I use Semrush to find out what people are searching for around my topic so the registration page headline matches real search intent rather than something that sounded clever in a meeting, and that whole approach to keyword-led content is something I unpack in my breakdown of Semrush’s own marketing. For getting the promotion out on social without babysitting every post, I schedule through Later, which I write about in this piece on Later’s marketing approach. And if you’re building out slides, graphics, and video snippets to promote the webinar across channels, my running list of the best content creation tools right now covers what’s worth paying for versus what’s just noise.

What makes a webinar work, and what kills it

After running and reviewing hundreds of these, the pattern is consistent.

  • Webinars that open with 10 minutes of “about me” before any content lose a chunk of the room in the first quarter hour. Get to the useful stuff fast.
  • Webinars under 30 minutes rarely build enough trust to sell anything meaningful. Webinars over 90 minutes lose people to fatigue, especially on a weekday afternoon.
  • The single biggest attendance lever isn’t the platform, it’s the reminder sequence. A webinar with three reminder emails will out-perform one with a single confirmation email by a wide margin, every time I’ve tested it.
  • Interaction matters. Polls, live chat, and Q&A double engagement compared with a straight monologue, because people who’ve done something in a session are far less likely to click away halfway through.
  • The offer at the end needs to connect directly to what was just taught. Teach list building for 30 minutes then pitch unrelated software and you’ll watch conversions fall off a cliff.

None of this is complicated. It’s just detail, done consistently, which is the same thing that’s true of most marketing that works.

Frequently asked questions

What’s the difference between a webinar and a normal video call?

A webinar is structured as a one-to-many broadcast, usually with a registration page, host controls, muted attendees, and a built-in path to an offer, whereas a normal video call is a two-way conversation among a small group with no funnel behind it.

How long should a webinar be?

Aim for 45 to 60 minutes total: 25 to 35 minutes of genuine teaching, 10 to 15 minutes for the offer, and 10 to 15 minutes for live questions, since sessions under 30 minutes rarely build enough trust to sell and sessions past 90 minutes lose people to fatigue.

Do people show up to webinars live?

Usually not most of them. Live attendance typically runs between 20 and 34 percent of everyone who registers, which is exactly why the reminder emails and the replay sequence matter as much as the live event itself.

Are automated or evergreen webinars worth doing?

They can work well for scaling a proven live webinar that already converts, but fake countdown timers and scripted “live” chat comments are easy for audiences to spot now and can damage trust more than they help, so use automation on content that’s already been tested live, not as a shortcut around doing the real thing.

Published and maintained by the Lilach Bullock team, covering marketing, AI and business growth.
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