The term "online" in the 3DMark ecosystem primarily focuses on the aspects:

If you are looking for a way to test your PC without buying the full suite, you can use the :

Currently, . Browser-based tests are generally too limited by the browser's overhead to provide the "to-the-metal" performance data that professional benchmarks require. To get an accurate score, you must download the application to your device. How to Run 3DMark for Free

After a local test finishes, your score is uploaded to the 3DMark online database for verification and storage.