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Stable internet connection in the car is no longer just for the owners of the latest electric cars. Having your own car Wi-Fi is useful for anyone who wants to entertain kids in a traffic jam or needs reliable data for navigation. There are several options on how to set up a network in an older car as well. We'll show you how to get it all working and which variant will save you the most nerves and money on data transfers.

Do you have lightning-fast internet at home, but your YouTube video or Netflix show keeps pausing? While fast internet is essential, it often isn't enough for smooth video playback. An empty buffer that can't feed your device with data quickly enough is often the culprit. Discover how to find weak spots in your network and what to do when the provider's theory doesn't match practice.
On this site you can test your internet connection for free.
We recommend you to lower or stop all other internet activities during the test. In other cases the test results are less precise.
Outputs of this test:
From the user’s perspective, everything is simple. In the web browser, click on the measurement button and wait. Before starting the speed test, it is important to deactivate all tasks, applications and devices that could use the capacity to connect to the Internet. The results would be affected by that and you would not find out anything, or the conclusions would not have the required notification value.
The technical solution and the background of the speed test itself are complex, but to explain it in a few words and very simplistically, the test simulates a situation in which you download or upload data. The measured values are calculated depending on the speed of these transmission. You can test the speed of up to 30 test servers located in geographically different locations.

The concept of cache appears in browsers, phone settings, and when troubleshooting websites, but few know what it exactly means. Cache aims to speed up data loading, but sometimes it can be rather a hindrance. Let's explain what cache memory is, how it works in practice, and when it's sensible to clear it.

Everyday online activities have a real energy footprint that quickly multiplies in total. In the article, we will look at what digital carbon footprint means, how much energy regular internet use costs, and which activities burden the environment the most. Areas where consumption is growing the fastest and impact is not immediately visible deserve special attention.

The topic of blue light has led to many simplifications and unnecessary fears. Blue light exposure before sleep is often discussed, but its impact is not limited to just sleep. Let's put things in context, separate facts from myths, and see when it makes sense to address its effects and when it is more about excessive concern.