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Mobile data usage can sometimes be unpleasantly surprising. The most are consumed by video streaming and music services – how much data does YouTube, Netflix or Spotify use? And what about other apps like social networks, maps or video calls? Check out the overview of the biggest data guzzlers and find out how to keep mobile data under control.

Is your internet slowing down or do you suspect that someone unauthorized is connected to your Wi-Fi? We advise you on how to find out who is connected to your Wi-Fi, and what to do if you find an intruder.
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.

Does your video keep buffering or game lag, even though you pay for 'fast internet'? Perhaps you simply don't have the right one for what you do at home. What internet speed do you need for watching TV, streaming movies, working from home, or online gaming? Find a clear comparison in the article.

Phishing attacks often appear credible and convincing today. Thanks to artificial intelligence, they sound personal, mimic well-known companies, and can be hard to detect. In this article, you'll learn how modern phishing works, why you should watch out for it, and how you can effectively protect yourself from it.

Forgotten passwords, recycled combinations, and fear of data leaks. Traditional login methods have their weak points. A new way to verify identity, known as passkeys, aims to change that. Without the need to remember anything and with a focus on security. How do they work, who is already using them today, and why are they becoming the new standard?