In digital marketing, a conversion is when a visitor does exactly what you want them to do on your website. That could be making a purchase, filling out a form, subscribing to your email list, downloading an app, or clicking a specific link. Basically, if you brought someone to your site for a reason and they complete that action, that's a conversion.
Here's a practical example: you run an online shop selling clothes. Your goal is for visitors to browse products and place orders. When someone actually completes a purchase, that's a conversion. But remember — conversion doesn't always mean a sale. It depends on your business goals. For an educational website, a conversion might be someone signing up for a course. For a blog, it might be subscribing to your newsletter.
The conversion rate — the percentage of visitors who convert — is one of the most important metrics in digital marketing. If 100 people visit your site and 5 make a purchase, your conversion rate is 5%. The higher your conversion rate, the more effective your website and marketing efforts are. Even small improvements in conversion rate can dramatically impact your bottom line.