How To Improve a Slow WIFI

How To Increase a Slow WIFI

increase wifi speed

Wi-Fi is the way of the world at the moment. It’s the invisible friend that comforts us, allows us to surf internet, and equips us to work from anywhere at any time. Wi-Fi is pretty much a requirement these days.

When you rely on Wi-Fi, speed issues can hurt. Unluckily, speed issues aren’t always easy to identify due to the way Wi-Fi works. One unknown variable could potentially cut your Wi-Fi speed in half, so it’s important to know what to look for when something’s wrong.

Wi-Fi transfers data using one of two radio frequencies: 2.4 GHz (older standard) and 5 GHz (newer standard). Most modern routers can switch amid the two and smart routers can even choose the best frequency for you. Within these frequencies, there are multiple channels: 14 of them at 2.4 GHz and 30 of them at 5GHz.

Those are the fundamentals of how Wi-Fi works. Knowing that, we can now discover some of the lesser-known reasons behind why your Wi-Fi is so slow — and the best ways to fix those issues.

1. Router Positioning
Most people undervalue the importance of picking a good spot for a Wi-Fi router. Even a small shift in positioning could end up being the difference between day and night.

High vs. Low

If you’re like most people, you most likely unpacked your new router, located a reasonable outlet location, plugged it in, and simply left it on a whatever was nearby: a shelf, a desk, or even the ground. As it turns out, router height does make a difference.

That is to say that leaving your router on the ground or behind other objects usually results in noticeably worse performance. Instead, put the router as high up as possible to expand the broadcasting range of the radio waves. This also helps clear the router of possible interferences.

Concrete & Metals

Materials like concrete and metal tend to be the most awful for blocking Wi-Fi waves, but even objects of other materials can get in the way of high-performance wireless. Make sure your router isn’t blocked by any other objects, particularly devices that are electronic.

Also, avoid placing your router in your underground room as this area is usually enclosed by a lot of concrete, which can be almost unfeasible for Wi-Fi signals to go in.

Distance to Router

The further away from your router you get, the weaker the Wi-Fi signal. Therefore, the best option is to place your router as close to your devices as possible, but this is only sensible if you have one main area where you tend to use your devices.

Otherwise, you should place your router near the center of your home. After all, Wi-Fi broadcasts in 360 degrees, so it doesn’t make sense to put it at one end of the house.

However, if your router is particularly weak or if your house is particularly big, then you may need to boost the range of those Wi-Fi waves by using Wi-Fi extenders or repeaters. These are auxiliary devices that connect to the main router and “repeat” the signal so it covers more region.

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2. Wireless Interference & Noise
You’ve probably never noticed but there are wireless signals all around you wherever you go and they’re passing through you all the time. From where? Electronic devices, Wi-Fi routers, satellites, cell towers, and more…

Information designer Richard Vijgen created “The Architecture of Radio” — available on iOS and Android — which uses public information on satellites and cell towers, along with Wi-Fi information, to create a map of all the invisible signals around you. You can download and try it 🙂

Although Wi-Fi is supposed to be on a dissimilar frequency than most of these devices, the amount of radio noise can still cause interference. Some common and noteworthy causes of interference include…

Microwaves

Did you know that microwave ovens can cause interference with your Wi-Fi network? Especially with older router devices. This is because microwave ovens operate at a frequency of 2.45 GHz, which is incredibly close to the 2.4 GHz Wi-Fi band.

Specifically, the 2.4 GHz Wi-Fi band actually broadcasts between 2.412 GHz and 2.472 GHz, so there are times when the microwave frequency can partly cover with the Wi-Fi frequency — and when that happens, the data being transferred gets disrupted.

Most microwaves are properly shielded so no waves should be detected outside of the oven, but when there is faulty or poor shielding, that’s when interference can occur.

Bluetooth Devices

It turns out that another favorite type of wireless connection — Bluetooth — also happens to function at 2.4 GHz. In theory, a properly designed device should be shielded in a way that prevents interference.

Furthermore, in order to prevent frequency clash, Bluetooth manufacturers use frequency hopping, which is where the signal randomly rotates between 70 different channels, changing up to 1,600 times per second. Newer Bluetooth devices may also have the ability to identify “bad” or currently in-use channels and avoid those.

But interference can still occur, so try moving the router away from Bluetooth devices (or at least turn those devices off) to see if this is the cause of your troubles — especially if they are older Bluetooth devices without channel management.

Lights

Funny enough, lights such as Christmas lights (or fairy lights) can be a devious offender in slowing down your Wi-Fi because these lights can emit an electromagnetic field which interacts with your Wi-Fi band. This is especially bad when using lights with the ability to flash.

You aren’t even safe with modern LED lights because some of them have flashing chips built into each lamp, and these create an interfering electromagnetic field.

In reality, all other kinds of lights can cause interference by emitting electromagnetic fields like this, but the effect is close to negligible in most cases. However, you should keep your router away from electric lights just in case.

3. Your Neighbors
A truth of the modern world is that every household has their own Wi-Fi network, which can cause issues with channel overlap. This can be somewhat problematic in a townhouse, but is especially problematic in housing complexes and apartments where there can be many routers within close proximity.

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Channel overlap is mostly an issue for routers that can only broadcast at 2.4 GHz or if you have devices which can only receive a 2.4 GHz wireless signal. Why? Because there are only 14 channels to broadcast on. Two routers broadcasting on the same channel at the same frequency will interfere.

Which is why it’s important that you pick a good channel in your router settings. Modern routers can choose channels for you automatically, but sometimes it’s better to investigate and find the best channel yourself.

In addition, people may try and get on your network without your knowledge, and this can also slow down your Wi-Fi. The single most important thing you can do about this is make sure your router doesn’t have an easy-to-break password. Also, keep your router up-to-date and perform regular checks for suspicious devices on your network.

4. Your Household
Have you ever left a massive download running on your PC? Well, in that case you are probably the cause of your own slow Wi-Fi. Downloading large files can take quite a toll on your Wi-Fi performance. Sometimes this can’t be avoided — OS updates can be huge, for example — but if you are running tasks that aren’t urgent, try pausing them.

More likely, however, is that the people on your network — such as friends, roommates, or family members — are participating in bandwidth-heavy activities like gaming and streaming Netflix. Fortunately, if this is the case, you can prioritize your own network traffic by enabling Quality of Service in your router settings.

Bonus Fact: Humans are 60% water… and water can slow down radio waves. While I’m not suggesting that you remove all the people from your house, do make sure your router is kept out of the main areas where people congregate. The impact won’t be earth-shaking, but it could be noticeable.

A quick-check guide & key points:

Keep your router central and high in your home and away from other objects.
Keep other electronic devices out of the way of the router
Check for Channel interference
Keep your router’s firmware up-to-date and check its security settings
Avoid large downloads during waking hours
Have you had any of these slow down your Wi-Fi? How did you fix it? Any you think we missed? Let us know in the comment box below. Good luck in your own Wi-Fi investigation!

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