Definition
Client-Side Tracking is a method of sending information to a measurement platform in which the browser executes a code that sends data to its own server that is responsible after sending it to tools such as Google Analytics or Facebook. It is the most common way to measure the interactions that happen on a website or app.
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Differences between Client-Side Tracking and Server-Side Tracking
Both client-side tracking and server-side tracking measure how users interact with the web or app. The difference is how the data is collected. With the client side tracking the information is sent directly from the browser to the measurement tools, while with the server-side tracking the data is sent to its own server, which then distributes this data to the measurement platforms.
Advantages of Client-Side Tracking
- It is the system used by default, and requires hardly any technical knowledge to implement it.
- It provides contextual data such as IP, cookies, URL parameters and user agent.
- It’s economical. There are no server costs that in the case of Google Cloud can exceed € 100 / month.
Frequently asked questions about Client-Side Tracking
What is Client-Side Tracking?
Client-Side Tracking is measurement that runs in the user's browser through tags, scripts, or pixels. It makes it possible to record visits, events, conversions, and behavior within a website, although it can be affected by blockers, cookie consent, or browser restrictions.
What is Client-Side Tracking used for in digital marketing?
It is used to send browsing and interaction data to analytics, advertising, personalization, or automation platforms. It helps understand what users do, measure campaigns, attribute conversions, and optimize content, forms, ads, and web experiences.
What is the difference between Client-Side Tracking and Server-Side Tracking?
Client-Side Tracking collects data from the browser, while Server-Side Tracking processes it from the server or an intermediate infrastructure. The client-side approach is usually easier to implement, but it can lose data due to blocks, loading errors, or privacy limitations.
What should a company take care of when using Client-Side Tracking?
It should take care of consent, privacy, script loading, event quality, and consistency with its measurement plan. An excessive or poorly audited setup can slow down the website, duplicate conversions, or generate unreliable data.