What Is a Webinar?
A webinar, short for web-based seminar, is a live online event that allows a host or panel of speakers to present information to a remote audience via the internet.
Attendees can watch, listen, ask questions, respond to polls, and interact with the presenter in real time, all from their own devices. Unlike a pre-recorded video, the live format creates a sense of urgency and genuine interaction that audiences find compelling.
From a digital marketing perspective, webinars serve multiple purposes. They are used to educate prospects about a product or service, demonstrate software or tools, share industry insights, host expert panels, and train customers or staff.
Because registration is typically required, every attendee is a captured lead with a name, email address, and demonstrated interest in the topic. This makes webinars one of the most cost-effective lead magnet formats available to B2B marketers.
The format sits comfortably in the middle and bottom of the marketing funnel. A top-of-funnel blog post might attract thousands of visitors, but a 60-minute webinar on a specific challenge attracts people who are genuinely considering a solution.
This intent signal makes webinar registrants significantly more qualified than standard email newsletter subscribers. When followed up promptly with relevant content, webinar attendees convert to customers at a higher rate than almost any other inbound channel.
Webinars can be delivered through dedicated platforms such as Zoom Webinars, Demio, or GoTo Webinar, or streamed live via YouTube, LinkedIn Live, or Facebook Live for broader reach. The choice of platform depends on whether lead capture and interactivity or maximum reach is the priority.
Hybrid approaches, combining a live stream on social media with a gated registration form, allow businesses to capture leads while still reaching a broader audience.
Webinar In Practice
Consider a Johannesburg-based financial planning firm wanting to attract high-net-worth clients. Rather than running generic Google Ads, they host a monthly webinar titled "Tax-efficient investing in South Africa: what to know before the end of the tax year." Registration requires a name and email address.
The firm promotes it via their email list, LinkedIn page, and a small budget of paid social ads. Of the 80 registrants, 55 attend live, and 20 book a consultation within the following two weeks.
The cost per qualified lead is far lower than paid search for competitive financial keywords.
For South African businesses, webinars work particularly well in the professional services sector, including legal, accounting, HR, and technology. They are also effective for gated content strategies, where the recording is offered as a follow-up download to non-attendees.
Repurposing webinar recordings into shorter clips, blog posts, and social media content extends the value of a single production effort across multiple channels and increases the overall return on investment of the activity.
How webinars are used in marketing
A webinar is an online seminar or presentation delivered live or recorded, used in marketing to educate an audience, demonstrate expertise and generate leads. Because attending usually requires registration, webinars capture qualified leads, people interested enough in the topic to sign up and spend time, which makes them a strong lead-generation and nurturing tool. They also build authority by showcasing knowledge in depth and in person, create engagement through live interaction and questions, and produce content that can be recorded and repurposed. Webinars suit topics that benefit from explanation, demonstration or discussion, product walkthroughs, expert insight, training, where the format's depth and interactivity add value beyond written content. Their combination of lead capture, authority-building and engagement is why they remain a staple of content and demand-generation marketing, particularly for considered purchases and business audiences.
Running an effective webinar
An effective webinar starts with a topic the target audience genuinely wants and that the business can address with authority, promoted well enough in advance to build registrations. The content should deliver real value rather than being a thinly veiled sales pitch, since attendees give their time expecting to learn, and value is what earns trust and the goodwill to consider what the business offers. Interaction, questions, polls, discussion, keeps a live webinar engaging, and a clear, relevant next step guides interested attendees towards the business without pressure. Good preparation and reliable technology matter, as technical problems undermine the experience. Follow-up is where much of the value is realised: sending the recording, thanking attendees, and continuing the conversation with those who showed interest. Treating the webinar as part of a nurture sequence, rather than a one-off event, is what turns the leads it captures into outcomes.
FAQ
How long should a marketing webinar be?
Most effective marketing webinars run between 45 and 60 minutes, including a 10-minute question and answer session at the end. Shorter sessions of 20 to 30 minutes work well for product demonstrations, while training webinars can extend to 90 minutes if the topic demands it.
Are webinars still effective for lead generation in South Africa?
Yes, webinars remain one of the highest-converting lead generation formats available. South African B2B businesses in Johannesburg and Pretoria report strong attendance rates when the topic addresses a specific pain point, registration is gated with a simple form, and follow-up emails are sent within 24 hours.
Are webinars still effective for lead generation?
Yes. Because attending requires registration and time, webinars capture qualified leads genuinely interested in the topic, and they build authority and engagement through in-depth, interactive content. They remain effective, particularly for considered purchases and business audiences, provided the content delivers real value rather than being a sales pitch.