What Is a Webinar? Types, Benefits & Examples
Kiki
04 septembre 2026 - 9 min - Mise à jour: 07 septembre 2026
Key takeaways:
A webinar combines live or recorded video with real interaction, such as chat, polls, and Q&A, and comes in three core delivery formats, live, automated, and on-demand, each suited to a different goal, from real-time discussion to scalable, evergreen lead generation.
Businesses use webinars for marketing, sales, training, and internal communication, with lead generation, product demos, and onboarding among the most common use cases, and the payoff is measurable: Later scaled from a couple of live sessions a month to over a hundred by switching to automated webinars, without a proportional rise in staffing.
What exactly is a webinar?
The word itself gives it away. Webinar blends web and seminar, and that combination is the whole idea: a seminar-style presentation, delivered entirely online, to an audience that can be scattered across any number of countries and time zones. Where a traditional seminar needs a room, a projector, and everyone showing up at the same physical address, a webinar only needs a link and a working internet connection.
What makes a webinar different from a YouTube video or a recorded course is the layer of interaction sitting on top of the content. During a webinar, attendees can ask questions in real time, respond to polls, and often trigger actions like downloading a resource or claiming a limited-time offer through a call-to-action button. That two-way channel is also why a webinar tends to convert better than passive video content. If you want the short version of this definition without the surrounding context, our webinar meaning page covers just that. Or watch it explained out loud below.
How does a webinar actually work?
Mechanically, a webinar runs in three phases. Before the session, attendees sign up through a registration page, which is also how the host collects names, email addresses, and sometimes qualifying questions. During the live or scheduled session, the host presents through screen share, slides, or webcam, while attendees watch from their browser and interact through the built-in chat and polling tools. After the session, most platforms automatically generate a replay link, so anyone who registered but couldn't attend live still gets access to the content.
None of this requires the audience to download anything. Attendees join from a browser, which removes a barrier that other video formats, like desktop meeting apps, sometimes introduce. For a closer side-by-side of that distinction, see our comparison of webinars vs. online meetings.
Webinar vs. webcast vs. virtual event: what's the difference?
These three terms get used interchangeably, but they're not the same thing. A webinar is built for interaction: a smaller audience, live chat, polls, and Q&A. A webcast is closer to a broadcast: it streams to a much larger audience, often with little or no interaction, and works well for things like company town halls or product launch announcements. Virtual event is the umbrella term. Every webinar and every webcast is a virtual event, but not every virtual event is a webinar.
If your goal is a focused conversation with a specific, engaged audience, a webinar is almost always the better fit. If your goal is maximum reach with a polished, one-directional broadcast, a webcast might serve you better.
The main types of webinars
Webinars split into two useful categories: how they're delivered, and what they're for.
By delivery format:
Live webinars run in real time, with the host presenting and responding to the audience as it happens. These generate the highest level of engagement because nothing is pre-scripted, but they also demand the most from the host in the moment.
Automated, or simulated live, webinars are pre-recorded but scheduled to play at set times, often with chat and polls still active so the session feels live even though it isn't. This format scales well because one recording can run dozens of times without the host needing to show up each time.
On-demand and evergreen webinars are available whenever a visitor wants to watch them, usually gated behind a registration form. They're the most scalable option and work particularly well as passive lead generation content that keeps performing months or years after it was created.
For a visual walkthrough of these three formats side by side, watch WebinarGeek's own breakdown below.
By purpose:
Lead generation webinars trade valuable content for contact information, positioning the host as an authority while building an email list of qualified prospects.
Product demo webinars walk attendees through a product's features and real-world use cases, which makes them a natural fit for sales teams closing the gap between interest and purchase.
Onboarding and training webinars help new customers or employees get up to speed, often as an on-demand library that people can revisit whenever they need a refresher.
Thought leadership and panel webinars bring in guest speakers or industry experts to discuss trends, which builds credibility and reach beyond what a single company voice can achieve on its own.
Internal communication webinars keep distributed teams aligned through leadership updates, all-hands meetings, or cross-department briefings, without anyone needing to travel.
The real benefits of hosting webinars
Webinars earn their place in a marketing or training strategy for a few concrete reasons, not just because everyone else is doing them.
Reach without travel costs. Attendees join from anywhere with an internet connection, which removes the venue, catering, and travel expenses that come with an in-person seminar.
Built-in lead qualification. Because attendees register with their contact details before watching, every signup becomes a lead you can follow up with directly, something a plain video upload can't offer.
Authority building. Presenting original insight or data to a live audience, especially alongside recognized guest speakers, positions your organization as a credible source in your field.
Content that keeps working. A recorded webinar doesn't expire when the live session ends. It becomes an on-demand asset, a source for blog content, or a resource to send directly to prospects who missed the original date.
Measurable engagement data. Polls, chat activity, and viewing duration give you a much clearer signal of what resonated than a static presentation ever could, which is useful input for refining your next session and your broader webinar analytics.
Attendance is directly influenceable. As the reminder-email data above shows, small changes to your promotion cadence produce measurable swings in turnout, which means attendance isn't left to chance if you plan the invite sequence deliberately.
Real webinar examples worth learning from
Seeing how other companies actually use webinars makes the format easier to picture than a list of definitions ever could.
HubSpot uses on-demand webinars to onboard new users of its freemium CRM, walking them through lead generation tactics and sales strategy without needing a live rep on every call. Later, the social media scheduling company, started with live onboarding and training webinars, then switched to automated sessions to scale, growing from a couple of live webinars a month to over a hundred without a proportional increase in headcount. Microsoft maintains a library of on-demand tutorials that guide users through its products at their own pace, turning webinar content into a long-term brand loyalty tool. Coursera runs live virtual workshops on subjects like programming and business development, complete with interactive coding challenges and group discussion, showing that the format works just as well for education as it does for marketing.
How to host your first webinar
Once the concept clicks, the practical next step is simple. Start by deciding your goal, whether that's generating leads, training a team, or demonstrating a product, since the goal shapes everything else about the session. Choose a topic your specific audience actually needs, not just a topic that's easy to talk about. Pick a webinar platform that fits the interaction level you want, whether that's live chat and polls or a fully automated on-demand series. Then promote it with a real invite sequence rather than a single reminder email, since that one change alone can meaningfully change your turnout.
WebinarGeek brings registration, live and automated hosting, and post-event analytics into one browser-based platform, so you can set up your first session without juggling separate tools for each part of the process. See it in action in the short walkthrough below.
Frequently asked questions
Is a webinar free to attend?
Usually, yes. Most webinars are free for attendees, since the host's goal is typically to build an audience or generate leads rather than charge admission. Paid webinars exist too, usually for specialized training or certification content, but they're the exception rather than the rule.
How long should a webinar last?
Most webinars run between 30 and 60 minutes, including time for questions at the end. Shorter sessions tend to hold attention better, especially for a marketing or lead generation webinar where the goal is a clear, focused message rather than an exhaustive deep dive.
Do I need special software to join a webinar?
No. Attendees join through a standard web browser using the link they receive after registering, without installing an app or plugin. This is one of the reasons webinars have a lower barrier to entry than some video conferencing tools.
Can a webinar have more than one presenter?
Yes. Panel-style webinars with multiple speakers are common, especially for thought leadership content, and most webinar platforms support adding co-hosts or guest speakers directly to the same session.
More questions about webinars
What is the difference between a webinar and a webcast?
A webinar is built for interaction, with a smaller audience, live chat, polls, and Q&A between host and attendees. A webcast broadcasts to a much larger audience with little or no interaction, closer to a broadcast delivered over the internet.
How many people can attend a webinar at once?
It depends on the platform and plan, but most webinar software supports audiences ranging from a few dozen up to several thousand attendees. WebinarGeek, for example, supports up to 5,000 live viewers depending on the plan.
What equipment do I need to host a webinar?
At minimum, you need a computer, a stable internet connection, and a browser-based webinar platform. A webcam and microphone improve production quality, but many hosts start with just screen sharing and slides.
Are webinars automatically recorded for later viewing?
Most webinar platforms record live sessions automatically, so you can offer a replay link to attendees who registered but couldn't join live. This turns every live webinar into reusable on-demand content without extra setup.
Which type of webinar works best for generating leads?
Lead generation webinars that trade valuable content for a registration form tend to perform best, especially when paired with a clear call-to-action. On-demand and evergreen formats extend that lead generation well beyond the original live date.
Can I turn a single webinar into a series?
Yes. Many hosts link related webinars together into a series, which works well for multi-part training programs or courses that build on each other over several sessions.
Explore webinar hosting today
Start free trialArticles connexes

Best Webinar Software for Marketing Teams
Marketing teams need more than a meeting tool. Here's how Livestorm, Demio, Zoom, ON24, and WebinarGeek compare on registration, email automation, CRM integrations, and GDPR compliance.

How to Convert B2B Webinar Attendees Into Real Pipeline
Two hundred people registered. Eighty actually showed up. Sales sent a follow-up to all eighty the next morning. Three replied. If you run B2B webinars, you've probably lived a version of this. The gap between attendance and pipeline usually gets blamed on bad follow-up. Most of the time, it isn't. More often, it’s a webinar follow-up problem.

How Many Reminder Emails Should You Send Before a Webinar?
One marketer went from 30% to 62% webinar attendance, not by sending more reminders, but by changing what the emails were for. Here's the data-backed sequence.