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What is Conversion, How is it Calculated, and How is it Used in Online Marketing?

In online marketing, a conversion refers to a visitor performing a target action defined by the business. This action could be making a purchase, filling out a form, subscribing to a newsletter, or downloading content. In short, a conversion clearly shows whether marketing efforts are producing results.
This article elaborates on the question of what conversion is. We then discuss types of conversions, how conversion rates are calculated, and why conversion is critical in online marketing.

What is transformation?
A conversion is when a user takes a desired action on a website or digital platform. This action could be a direct purchase. However, not every conversion means a purchase. For many businesses, engaging the user in the process is also highly valuable.
For example, signing up for a free trial of a SaaS product counts as a conversion. Similarly, adding products to a cart on an e-commerce site is also an important conversion signal. Therefore, conversion has different meanings at each stage of the user journey.
What are the types of transformations?
In online marketing, conversion encompasses many different actions. The most common types of conversions can be listed as follows:
- Purchase process
- Free trial or demo registration
- Email newsletter subscription
- Filling out the form
- Content download (e-books, guides, whitepapers)
- Webinar or event recording
- Download the app
These transformations are divided into two main groups: hard transformations and soft transformations.
Hard Transformations
Hard conversions refer to actions that directly lead the user closer to revenue. Purchases, requests for quotes, or demo requests fall into this category. These conversions are of high importance to the sales team.
Soft Transformations
Soft conversions are intermediate steps that prepare the user for a sale. Actions such as newsletter subscriptions or content downloads fall into this category. These conversions build a connection between the brand and the user.

Why are transformations important?
Conversions are the clearest way to measure marketing performance. Because traffic alone doesn't mean anything. What truly matters is whether the incoming traffic leads to action.
For example, a website that receives high traffic but doesn't generate conversions creates a waste of budget and time. Conversely, a website with low traffic but a high conversion rate is far more valuable. Therefore, conversion tracking is central to every digital strategy.
How is the conversion rate calculated?
The conversion rate shows the ratio of users who perform a specific target action to the total number of visitors. The calculation is quite straightforward:
Conversion Rate (%) = (Number of Conversions / Total Number of Visitors) x 100
For example, if 50 out of 1,000 visitors make a purchase, the conversion rate is %5. However, a "good" conversion rate varies depending on the industry. These rates differ in e-commerce, SaaS, and B2B projects.
Conversion Tracking with Google Ads and Google Analytics
Google Ads lets you define conversion goals to measure ad performance. You can add goals like purchases, form submissions, or sign-ups to your ad account.
Google Analytics, on the other hand, measures conversions as "goals" or "events." This allows you to analyze user behavior on your site in more detail. Using these two tools together significantly enhances campaign optimization.
For more technical details on this topic... Google Analytics guide You can take a look at our article.
The Relationship Between SEO and Conversion
SEO brings the right user to the right page, which increases the probability of conversion. Fast-loading pages, clear messages, and strong CTAs directly impact conversion rates.
Technical SEO, in particular, improves the page experience. This encourages users to stay on the site longer and be more inclined to take action.
What is a conversion funnel?
The conversion funnel shows the steps a user takes from initial contact to purchase. Clarifying these steps makes it easy to identify where a loss occurs.
Conversion rates increase when each step of the funnel is optimized. Therefore, CRO (Call to Action) studies are indispensable for marketing teams.
Conclusion
Conversion is the heart of online marketing. Traffic, visibility, and engagement are important. But true success is measured by conversion. Therefore, every business should clarify its conversion goals and analyze them regularly.
If you want to increase your conversion rates, build your measurement infrastructure, and grow your performance Contact us.
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