Network Speed Test
Test your download and upload bandwidth.
A wifi speed test tells you how fast your wireless connection really is in the room you are sitting in, not just what your package promises on paper. Run one with Speed Test UK and in under a minute you will see your download speed, upload speed and ping, measured from your device, through your router, and out to the internet. That distinction matters. The speed arriving at your home and the speed reaching your phone on the sofa can be very different numbers.
Most slow Wi-Fi complaints are down to the line itself, the router struggling to cover the house, or too many devices competing at once. Testing in a couple of rooms, at different times, usually reveals which one it is.
How to Use This Wifi Speed Test
You do not need an account, an app or any technical knowledge. The test runs in your browser on phones, tablets and laptops.
- 1. Connect to the Wi-Fi network you want to check, and stand or sit where you normally use it.
- 2. Pause downloads, cloud backups, game updates and streaming on other devices in the house.
- 3. Close spare browser tabs and apps running in the background on the device you are testing.
- 4. Press start and let the test finish without moving rooms or switching networks partway through.
- 5. Note down your download, upload and ping results, plus the time of day and the room you were in.
- 6. Repeat the test next to your router, then again in your weakest room, so you can compare the two.
That last comparison is the most useful part. If speeds are strong beside the router but collapse upstairs, your broadband is probably fine and your wireless coverage is the problem. If they are poor everywhere, including right next to the router, the line or the package itself deserves a closer look.
What Your Results Mean
Your result has three headline figures. Download speed, measured in megabits per second (Mbps), covers everything coming into your home: streaming, web pages and files. Upload speed covers what you send out, such as video calls and photos backing up to the cloud. Ping, measured in milliseconds (ms), is the delay before data starts moving. Lower is better, and it matters most for gaming and calls.
Use the table below as a rough guide for a typical UK home. It is a guide, not a guarantee, because a speed that feels fine for one household can feel hopeless in another with more people online at once.
| Result | Download | Upload | Ping | What it feels like |
|---|---|---|---|---|
| Good | 70 Mbps or more | 15 Mbps or more | Under 30 ms | Smooth 4K streaming, calls and gaming, even with several people online |
| Average | 25 to 69 Mbps | 5 to 14 Mbps | 30 to 60 ms | Fine for everyday use, HD streaming and working from home |
| Poor | Under 25 Mbps | Under 5 Mbps | Over 60 ms | Buffering, blurry calls and slow downloads are likely |
For more detail, see our guides to what is a good internet speed, what is a good download speed and what is a good upload speed.
How to Check Wifi Speed Properly
Knowing how to check wifi speed properly matters as much as the result itself, because a careless test can mislead you. The same home can produce wildly different figures five minutes apart if someone starts a big download or your phone quietly switches to mobile data.
Start with one device and one location. Turn off mobile data on a phone so you know you are measuring Wi-Fi, not 4G or 5G. Test at a normal time first, then again during the evening peak. Avoid testing while a console is pulling down a large update, as that can halve everyone else’s result.
It also helps to compare Wi-Fi with a wired connection. Plug a laptop into the router with an ethernet cable and run our broadband speed test. That wired figure is close to the best your line can deliver. The gap between it and your wireless result is the speed your home setup is losing, and that gap is the bit you can usually do something about. Our guide to how to test internet speed walks through that comparison in more depth.
How Can I Test My Wifi Speed?
People often ask, how can I test my wifi speed without installing anything or handing over personal details? The simplest answer is a browser-based test like this one. There is nothing to download, no sign-up, and the result appears in seconds. You can also check wifi speed online through your provider’s own app, although those apps sometimes test only as far as the router rather than to the device in your hand, which can flatter the result.
How Do I Check My Wifi Speed on My Phone?
If you are wondering how do I check my wifi speed on my phone, the process is the same as on a computer. Connect to your home Wi-Fi, switch off mobile data so the phone cannot cheat, open this page in your mobile browser and run the test. Then test again in the rooms where you use your phone most.
Pay attention to the signal as you move. A result that drops sharply after a thick wall or a floor means the signal is being blocked, not that your broadband has got worse.
What Is a Good Wifi Speed?
So, what is a good wifi speed for an ordinary UK home? For a single person or a couple in a flat, 35 to 50 Mbps at the device is comfortable for almost everything. A family home with children streaming, a parent on video calls and someone gaming will be happier with 70 to 150 Mbps reaching the rooms in use. Beyond that, extra speed brings diminishing returns unless you regularly download very large files.
- Browsing, email and social media: 5 Mbps is plenty per person.
- HD streaming on one screen: allow around 5 to 8 Mbps.
- 4K streaming on one screen: allow 25 Mbps, plus headroom for other devices.
- Video calls for work: 3 to 5 Mbps each way, with a steady upload mattering most.
- Online gaming: the download need is modest, but low ping and a stable connection matter far more.
If you are choosing a package rather than judging the one you have, our guide to what broadband speed do I need matches household sizes to sensible package speeds, so you do not pay for capacity you will never use.
What Wifi Speed Do I Need for Streaming?
What wifi speed do I need for streaming is probably the most common question behind any speed test. Services such as Netflix, BBC iPlayer and YouTube adjust picture quality to the speed available, which is why a struggling connection goes blurry before it stops. Standard definition needs about 3 Mbps. High definition needs 5 to 8 Mbps per screen, and 4K needs a sustained 25 Mbps per screen, not just a brief burst.
The catch is the word sustained. Two televisions streaming in 4K while someone uploads work files can push a 50 Mbps connection hard, particularly in a room far from the router. If picture quality dips in the evening but is perfect in the morning, capacity at peak time is the likely cause. Testing at both times will confirm it, and our page on how to check Wi-Fi speed has further tips for testing around televisions.
Wifi Speed in the UK: Guarantees, Peak Hours and Fibre Types
UK broadband comes with more protection than many people realise. When you sign up, your provider must give you a minimum guaranteed speed for your line. If your speed to the router stays below that figure and the provider cannot fix it within the agreed period, you can leave your contract without an exit fee. Ofcom explains your rights in its guide to broadband and Wi-Fi help, and its UK home broadband performance report shows how the major providers actually perform.
Keep two UK quirks in mind. First, the evening peak, roughly 7pm to 11pm, is when networks are busiest, so a modest drop then is normal, especially on older part fibre connections. A collapse to a fraction of your usual speed is not. Second, the type of fibre matters. Full fibre, where the cable runs all the way into your home, is faster and more consistent than part fibre, where the last stretch from the street cabinet uses an old copper line that slows with distance. Check what is available at your address via Openreach, although some full fibre networks are built by other companies, so also compare options in our guide to UK broadband providers.
One detail matters: minimum guarantees apply to the connection reaching your router, not to Wi-Fi in a back bedroom. That is why the wired comparison earlier matters before you complain. A wired result carries far more weight with a support team than a single slow wireless result.
Why Your Wifi Is Slower Than Your Broadband, and How to Fix It
A slow wireless result with a healthy wired result points firmly at the home, not the street. Routers hidden in cupboards, behind televisions or on the floor in a corner will struggle to cover a house, however fast the line is. Thick walls, metal appliances and fish tanks can all weaken a signal more than distance alone.
Quick Checks Before You Blame Your Provider
- Restart the router properly, leaving it off for 30 seconds, then give it a few minutes to settle.
- Check whether the slowdown affects every device or just one ageing phone or laptop.
- Make sure nobody is running a large download, backup or update at the same time.
- Look at whether the problem is only Wi-Fi, using a wired test, or everything.
- Note the times it happens, as a clear pattern helps any support conversation.
If pages will not load at all, first ask is my internet working and work through the checks there. If your connection works but feels laggy, run a ping test, a jitter test and a packet loss test, as high jitter or lost packets explain stuttering calls far better than headline speed does. Slow loading with a fast result can also point to name resolution, so a DNS speed test is worth a minute.
How to Improve Your Wifi Speed
- Move the router out into the open, ideally high up and near the middle of your home.
- Use the 5 GHz band for speed in nearby rooms, and 2.4 GHz for range further away.
- Keep the router away from thick walls, large metal objects and microwaves.
- Update the router firmware, and restart it every month or so.
- Change the wireless channel if neighbours’ networks are crowding yours.
- For larger or older houses, consider a mesh system or a wired access point.
- Connect fixed devices such as televisions and consoles by cable where you can.
Make one change at a time, then test again. That way you learn which change actually helped, instead of guessing. Small improvements in router position alone regularly add more usable speed than a pricier package would.
Wifi Speed Test Google Results and Other Online Tests
Many people find their way here after searching for a wifi speed test Google offers in its results, or after typing check wifi speed online and picking the first box they see. Those built-in tools are convenient, but they often measure to servers outside the UK and give little separate upload or ping detail. Results also vary between tools because each uses different servers and methods.
None of that makes any single test wrong. It means you should compare like with like: same test, same device, same location, and judge by the trend across several runs rather than one alarming figure.
WiFi Speed Test vs Broadband Speed Test: Which Number Is Which?
These two tests answer different questions, and mixing them up causes most “my broadband is slow” arguments. A broadband speed test measures the line coming into your home — run it with a cable in the router for the true figure. This WiFi speed test measures the wireless link between your router and the device in your hand, in the room you are standing in. Wi-Fi almost always scores lower: walls, distance, interference and older devices all take their share.
So test in pairs. Run the broadband test wired, then run this WiFi speed test in each room that matters. The gap between the two numbers is your Wi-Fi problem, measured — and it is fixable with router position, a booster or a mesh system, without changing provider or package. For the step-by-step method on phones, laptops and TVs, follow our guide to how to check Wi-Fi speed on any device. If the wired number itself is low, go back to the broadband speed test and compare it with your guaranteed minimum.
Frequently Asked Questions
How to check wifi speed at home?
Connect a phone or laptop to your home Wi-Fi, pause other downloads, open this page and run the test. Note the download, upload and ping figures, then repeat beside the router and in your weakest room. Comparing those results shows whether the issue is your line or your wireless coverage.
How can I test my wifi speed for free?
You can test it free in your browser, with no account and nothing to install. Our tool is a free UK speed test that measures the connection to the device you are holding, which is the figure that affects streaming, calls and browsing in that room.
How do I check my wifi speed on my phone?
Join your home Wi-Fi, turn off mobile data so the phone cannot use 4G or 5G instead, open this page in your mobile browser and start the test. Test in the rooms you use most, not just beside the router, because coverage varies a lot around a house.
What is a good wifi speed for streaming and gaming?
Around 25 Mbps at the device handles a 4K stream comfortably, while HD needs only 5 to 8 Mbps. Gaming downloads are modest, but look for ping under 30 ms and a stable connection. Add headroom for everyone else online at the same time.
What wifi speed do I need for streaming in 4K on two TVs?
Allow at least 25 Mbps per 4K screen, sustained, so two televisions need roughly 50 Mbps reaching those rooms, plus extra for other devices. In practice, a package of 100 Mbps or more, with decent router placement, gives a family comfortable evening headroom.
Why is my wifi speed much slower than my package speed?
Your package speed is measured to the router and shared across every device. Wi-Fi then loses speed through walls, floors and distance, and struggles more in the evening peak. Test with a cable plugged into the router. If that result is good, improving router position or coverage will help more than a faster package.
Run Your Wifi Speed Test Now
You now know what to look for, so scroll back up and run the test where you actually sit, work and watch. Then try the room that always struggles. If the numbers surprise you, use the check your internet speed tool on our homepage to compare Wi-Fi with a wired result, and work through the fixes above one at a time.
Good Wi-Fi is rarely about the biggest headline number. It is about a steady, honest speed in the rooms that matter, at the times your household needs it.
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