A site won't open, but the internet works. What has happened?
Four different causes with the same symptom, how to tell them apart in five minutes, and the official tool for finding out whether that name is blocked in Italy.
Phones, computers and apps without the headache
Smartphones, computers, apps and everyday services: how to use them better, how to fix problems, what to buy and what to skip.
Four different causes with the same symptom, how to tell them apart in five minutes, and the official tool for finding out whether that name is blocked in Italy.
Why a 1 GB file doesn't arrive in ten seconds, why two tests in a row give different results, and when that number is actually worth something against your provider.
Why the test measures the speed coming down while a meeting spends the speed going up, and why hardly anyone measures the number that really explains it.
What a wall really costs, why a repeater halves your bandwidth, and why buying a new-generation router won't carry the signal to where it doesn't reach.
Yes, and it is documented. What is at stake is what sits inside the phone before you switch it on, in a part of the memory it cannot be taken out of.
A single thread of logic from the 1945 model to today's chips: why FPUs, GPUs and NPUs appeared, what each one does, and why the numbers on the box tell you little.
The video stalls, the call breaks up, and the temptation is to switch provider. In most cases the problem is inside your home and costs nothing to fix. Here is how to find out in half an hour.
Storage is full and the warning keeps coming back. Before paying, work out how much space you really need: the answer often costs less than what you are being offered.
Since 14 October 2025 Windows 10 no longer gets security fixes. The computer still works, but it is uncovered. How to tell in two minutes which situation you are in, and what to do.
No miracle app required. A few charging habits are enough to slow battery wear and keep your phone in shape for years.
Google, Apple, Microsoft, Amazon and PayPal already support them. Passkeys get rid of passwords and are designed to resist phishing. Here is how they work and how to turn them on.
Storage full but you don't want to give up your memories? Here, in order of effectiveness, is where the wasted gigabytes hide and how to get them back in ten minutes.