Measure Internet Speed – How to Test Your Broadband Correctly
A guide to reliable speed tests and how to interpret results.
- Speed test
- Measurement
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Measure Internet Speed – How to Test Your Broadband Correctly in 2026
Many people feel that their internet connection at home is slow without really knowing whether the problem comes from the broadband subscription itself, the wifi network, or the equipment being used at home. It is also common for consumers to pay for higher speeds than they actually receive in practice.
Measuring your internet speed is therefore one of the simplest ways to understand how well your connection is really performing.
At the same time, it is important to understand that a speed test does not always tell the whole story immediately. The result is affected by several factors, including how the network is being used at that moment, whether the test is performed over wifi or cable, and how many devices are connected simultaneously.
Because of this, many people perform speed tests incorrectly and receive results that do not accurately reflect how the broadband actually performs during normal daily use.
In this guide, we explain how to test your internet speed correctly, how to interpret the results, and what you can do if your speeds are lower than expected.
Want to compare broadband options and see which speeds are available at your address?
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Why Should You Measure Internet Speed?
Many people first notice problems when streaming starts buffering, video meetings freeze, or online games lag despite having a broadband subscription that should theoretically be fast enough.
The issue, however, is not always the broadband itself. In many cases, the real cause is:
- weak wifi coverage
- outdated equipment
- several connected devices using the network simultaneously
By measuring your internet speed, you gain a clearer understanding of how the connection actually performs at home and whether you are truly receiving the performance you are paying for.
For many households, speed testing also becomes a useful way to understand whether the issue involves:
- the broadband subscription
- the router
- the wifi network
- network congestion inside the home
It is common for people to assume they need faster broadband when the real issue is simply that the wifi signal does not properly reach all areas of the home.
You can also read our guide on how to improve wifi at home.
The Difference Between Wifi and Ethernet Cable
One of the most common misunderstandings is that a speed test performed over wifi shows the exact speed of the broadband subscription. In reality, the test mainly shows how well the wireless network performs where you are standing.
Wifi performance is affected by:
- distance from the router
- walls and obstacles
- interference from nearby networks
- router quality
- how many devices are connected simultaneously
Because of this, wifi results are often lower than the actual speed being delivered to the property.
If you want the most accurate picture of the broadband connection itself, it is best to connect your computer directly to the router using an ethernet cable.
For many households, the difference becomes obvious immediately. An internet connection that feels slow over wifi may suddenly perform much better via cable, which often shows that the issue lies in the wireless network rather than with the broadband provider.
You can also read our guide on how to improve wifi at home.
How to Perform a Reliable Speed Test
Many people perform speed tests while other devices are streaming movies, downloading games, or synchronizing files in the background. This often produces misleading results.
To get a more accurate measurement, it is a good idea to:
- pause large downloads
- stop streaming on other devices
- restart the router
- perform several tests at different times
It is also important not to test only during daytime hours when network traffic is lower. For many households, internet problems become much more noticeable during evenings when several people use the network simultaneously.
Another common mistake is performing only a single test and immediately drawing conclusions. Internet performance naturally fluctuates over time, so it is better to evaluate how the network performs across several different situations.
Which Speed Test Services Are Best?
There are several different services available for measuring internet speed, and the results may vary slightly between them.
In Sweden, Bredbandskollen is one of the most widely used services. It is often considered a trusted reference because it is well established and adapted for Swedish broadband networks.
Speedtest by Ookla is also extremely popular internationally and is available both through web browsers and mobile apps.
Fast.com from Netflix is a simpler service that focuses mainly on download speed, which makes it popular among users who primarily want to test streaming performance.
Which service is best therefore mainly depends on what you want to measure and how detailed you want the results to be.
What Do Download, Upload, and Ping Mean?
When performing a speed test, you usually receive three main figures: download speed, upload speed, and latency, often called ping.
Download speed measures how quickly data can be received from the internet. This affects activities such as streaming, browsing, and downloading files.
Upload speed measures how quickly data can be sent from your device to the internet. This has become much more important as remote work, cloud storage, and video meetings have become part of everyday life.
Ping or latency is measured in milliseconds and describes how quickly the network responds. For gaming and video meetings, low latency is often more important than extremely high download speeds.
Many gamers notice high latency immediately because games feel slower and less responsive even if the broadband speed itself is technically fast.
How Fast Should Your Internet Actually Be?
Many consumers become concerned when their measured speed does not exactly match the advertised speed of their subscription, but some variation is completely normal.
Several factors influence real world speeds, including:
- wifi quality
- network congestion
- time of day
- equipment used at home
For many households, it is entirely normal for real world performance to be somewhat lower than the advertised maximum speed, especially over wifi.
However, if the difference remains very large over time and the internet still performs poorly despite troubleshooting, it may indicate:
- network issues
- outdated equipment
- installation problems
- congestion at the provider level
What Should You Do if the Speed Is Too Low?
Many people immediately contact their broadband provider, but in practice there are several things worth checking first.
Start by restarting the router and testing again. Surprisingly many minor performance issues disappear after a simple reboot.
It is also wise to:
- test using ethernet cable
- check whether other devices are heavily using the network
- perform multiple tests at different times of day
Many households discover, for example, that the internet works perfectly during mornings but significantly worse during evenings when the network experiences heavier traffic.
If the results still remain far below what the subscription promises, it may be worth saving the test results and contacting the provider with proper documentation.
How Do You Know if It Is Time to Upgrade Your Broadband?
Modern households use significantly more connected devices than they did only a few years ago. A subscription that once worked perfectly may therefore start feeling slow even if nothing has changed with the provider itself.
If the internet frequently:
- buffers
- freezes
- becomes unstable when several people use the network simultaneously
it may be a sign that the household’s needs have changed.
At the same time, it is important to understand that the issue is not always broadband speed itself. In many homes, the real limitations come from:
- wifi coverage
- the router
- network stability
This is why it is smart to first identify where the actual bottleneck exists before upgrading to a more expensive broadband subscription.
You can also read our guide on how much broadband speed you actually need.
Common Questions About Internet Speed
What is the most accurate way to test internet speed?
The most reliable test is performed using an ethernet cable connected directly to the router while no other devices are heavily using the network.
Why is wifi slower than ethernet cable?
Wifi is affected by walls, interference, and distance from the router, while ethernet cable provides a more stable direct connection.
What is considered a good ping?
For gaming, under 20 ms is considered excellent, while under 50 ms works well for most online activities.
Why does internet speed vary throughout the day?
Network congestion changes depending on how many people are using the internet simultaneously, especially during evenings.
How do you know if the router is the problem?
If internet speeds are significantly better over cable than over wifi, the router or wireless network is often the limiting factor.
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