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What is a WLAN Optimizer?

John Lister
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Updated: May 16, 2024
Views: 18,232
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A WLAN optimizer is a software application designed to improve performance on a wireless network. It can do this, or at least attempt to do this, through a variety of methods. The most common is to disable background scans for wireless networks.

A WLAN optimizer works with wireless local area networks. These allow multiple devices to exchange information wirelessly through a central device, usually a router. In most cases, this router will also connect to the Internet. Strictly speaking, a WLAN optimizer isn't always used with a multi-device network. It may instead be used where a single machine such as a laptop connects wireless to a router.

One potential problem with wireless networks is the way the wireless adaptor, the hardware in a device that deals with wireless data transfers, is set up. It will usually be designed to scan the surrounding areas to discover wireless networks that are available to join. Many adaptors are set up to continue scanning at regular intervals, often every 60 seconds, even after a wireless connection is made. This can be useful, as it may find a stronger connection that was not available when the user went online.

The drawback of this system is that the scanning temporarily takes resources away from the existing connection. In normal use, this is only a momentary "blip" and won't have any noticeable effects. However, in some computing activities such as online gaming or video streaming, it can cause disruption. This is because, although the scanning does not affect the speed of the data transfer from the connection, it slows response time between the computer and the Internet, an effect known as lag.

A WLAN optimizer will most commonly simply disable this background scanning. It may also offer other options, such as disabling the way the computer automatically configures itself to connect to known networks, or offer a special streaming mode that blocks other actions that might interfere with the smooth data transfer. In many cases, these extra options may be unnecessary for most users.

Depending on the operating system in use, it may be possible to achieve the same effects as a WLAN optimizer simply by changing system settings. This can be complicated, however, and may also make it difficult to automatically connect to the user's own wireless network in future. While a WLAN optimizer may be easier to use, it is important to check carefully that the software comes from a legitimate and reliable source.

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John Lister
By John Lister
John Lister, an experienced freelance writer, excels in crafting compelling copy, web content, articles, and more. With a relevant degree, John brings a keen eye for detail, a strong understanding of content strategy, and an ability to adapt to different writing styles and formats to ensure that his work meets the highest standards.
Discussion Comments
By stolaf23 — On Jul 12, 2011

Another cause of lag with wireless can be the lack of connection security. My parents recently added network security to their wireless. This stops people from trying to share the connection, which speeds things up for those of us on the network. I imagine adding something to our computers to optimize WLAN would make the connection even faster.

By ceilingcat — On Jul 11, 2011

@starrynight - I think you will be pleased with the WLAN optimizer. My boyfriend and I watch a lot of streaming TV shows and movies online and we were having some trouble with the connection slowing down every so often while we were trying to watch. Very annoying!

Luckily one of our friends suggested a WLAN optimizer download to us and it seems to have solved the problem.

By starrynight — On Jul 11, 2011

I just saw an ad for a free WLAN optimizer for Windows Vista and I was really curious about what it does. Now that I've read the article it sounds very useful! My internet connection has been kind of slow lately so I think I'm going to download the software and see if it helps.

John Lister
John Lister
John Lister, an experienced freelance writer, excels in crafting compelling copy, web content, articles, and more. With...
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