What VPN speed depends on

It all starts with the connection underneath

A VPN runs on top of internet access you already have. If your home connection is currently delivering 40 Mbps, no VPN can turn the physically available capacity into 400.

So comparisons only mean something under matching conditions: same device, same network, roughly the same time. Check the connection without the VPN first, then repeat the measurement with it on.

Even then, a single speed test does not describe the whole internet. The test server and the site you actually use may sit in different networks. That is why a VPN sometimes posts a slightly lower peak number while the video or app you care about runs more smoothly through it.

It helps to separate raw bandwidth from lived experience. Downloading a large file is mostly about throughput. A video call cares far more about low, stable latency. Watching video needs the connection to hold a sufficient rate for a long stretch without dips.

Location changes distance and latency

When a protected connection runs through a location you selected, your data first has to reach that location's infrastructure and only then travel on to the site or app.

The greater the distance and the more networks in between, the higher latency usually climbs. For everyday use, the closest location geographically is often a sensible starting point.

But "closer is faster" is not an iron rule. Two neighbouring countries can be connected to your operator in completely different ways. A more distant location sometimes performs better thanks to good links and less congestion.

The practical test is simple: pick the location that keeps the services you use running smoothly, not the one that merely looks nearest on a map.

Congestion can appear at any point

The internet is a collection of networks joined together, and at any given moment the load on each of them differs.

A slowdown can originate with your home or mobile operator, at an interconnect between networks, inside the VPN provider's infrastructure, or at the site itself. That is why performance can shift noticeably over the course of a day.

Solid distributed infrastructure helps spread load and reduces dependence on any single point of entry. But no network service exists apart from the rest of the internet: the final result always depends on several systems at once.

Spreading that load is the network's job, not yours: MaskNet checks server availability three times a minute and moves traffic to another server in the same location when the current one answers poorly.

Protocol and encryption play a part too

A VPN protocol defines how a protected connection is established, how data is carried, how the link is kept alive, and how it recovers when the network changes underneath it.

Modern protocols are designed for speed and relatively low overhead, but they are not identical. Some do particularly well on mobile devices, some are valued for broad compatibility, others hold up better on difficult networks.

Encryption also takes computation. On a current phone or laptop that cost is usually small, but on older devices, budget routers or very fast links, hardware performance can become the limiting factor.

So VPN speed is never a property of one server or one number in an interface. It is the outcome of a whole chain: your network, your device, the protocol, the infrastructure and the service at the far end.

Wi-Fi and mobile networks can move the needle more than the VPN

An unreliable Wi-Fi link stays unreliable once a protected connection is switched on. Interference, a weak signal and a crowded channel lead to retransmissions and fluctuating speed.

This shows up most on phones, which move between rooms, access points and networks. On mobile networks you can add signal quality, cell load and the specifics of coverage to the list.

So when speed is unexpectedly poor, it makes sense to check the local link first. Moving off a congested Wi-Fi network onto mobile data sometimes helps more than cycling through several VPN locations.

For a fair comparison, avoid changing several things at once. Test two locations on the same Wi-Fi network first, and only then compare Wi-Fi against mobile.

Why a VPN sometimes makes a particular service faster

At first glance an extra layer of protection can only cost speed. Under ordinary conditions a VPN does add processing and one more leg to the journey.

But the direct path to a given site is not always the best one available. There may be a congested or unstable stretch between your operator and that site's infrastructure.

A protected connection changes the network path. If the VPN infrastructure is better connected to the service in question, you can get steadier behaviour and, in some cases, genuinely higher real-world speed to that particular service.

This is why it is more useful to judge by the sites and apps you really use than by a speed test alone.

MaskNet runs its own nodes in ten countries, with several servers in every location. Availability is checked three times a minute: if a server answers poorly, traffic moves to a neighbouring one in the same location and the connection stays exactly as it was for you.