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internet speed testDo you get the internet bandwidth you pay for? Have you ever tested your internet speed? Do you know how to use the full potential of your bandwidth?

This article shows you how to measure your internet speed and it sheds some light on all the different factors that affect your internet performance. I propose a host of possible remedies that are easy to apply.

First I would like to recommend a ‘Technology Explained’ article that explains why measured and experienced speed are not necessarily the same: Understanding The Internet Speed Understanding Your Internet Speed Understanding Your Internet Speed So you're paying for a certain internet speed but what does that speed actually mean? How fast is it? And why does it seem so slow at times? Read More .

Test Your Internet Speed

For accurate results, you should go with an internet speed test tool that provides a local server. Otherwise your result may be flawed, simply because the test has to travel great distances.

With Speedtest.net you can connect to a test server that is physically close to you. Open the > Settings (top right menu) to change your > Preferred Server location and > Save your changes.

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internet speed test

When you’re done click > Begin test and wait for the result.

broadband speed test

My result is 6.17 Mb/s download and 6.32 Mb/s upload. Other tests that did not match me with a local server returned somewhat different results. Speed.io for example determined 5 Mb/s for the download and BandwidthPlace only had me at 3.88 Mb/s for the download. The upload for both was at around 6 Mb/s.

For a more comprehensive speed test, try MyConnection PC Lite, a Windows tool that we introduced here: Check Internet Connection Speed with MyConnectionPC Check Internet Connection Speed with MyConnectionPC (Win) Check Internet Connection Speed with MyConnectionPC (Win) Read More

Now you’re probably wondering what a bad result is and whether there is anything you can do to improve your internet bandwidth. I would say upload / download speeds that are 30-50% below the theoretical optimum you pay for constitute a bad result, especially when measured during non peak hours. Contact your ISP and discuss how you can improve this situation. And yes, you can do something, too.

But first let’s look at what is beyond your reach.

broadband speed test

What You Cannot Change

Many factors have an impact on how fast or slow your internet connection is. Unfortunately, there are several that you have no direct influence on.

  1. Bandwidth Throttling
    Your ISP can throttle your bandwidth, for example when you’re using Torrents.
  2. Distance to Exchange
    The further you live from the next telephone exchange, the slower your speed.
  3. Cable Internet
    If you and the majority of your neighborhood have a cable internet connection, note that all of you share the bandwidth, which can lead to reduced speed.

To test whether your ISP shapes your traffic you can use a tool developed by the Max Planck Institute for Software Systems. Glasnost simulates BitTorrent downloads on your computer.

internet speed test

What You Can Do To Speed Up Your Internet

  1. Hardware
    The bottleneck could be your hardware. Your modem has a cache, which can impact its performance. To empty the cache, unplug the modem from the power for a few seconds. Make sure your modem supports the output speed your network requires and that cables are properly connected and intact. To find out whether your own network might be at fault in the first place, refer to this article: How To Test Your Home Network Speed (And Decipher The Results) How To Test Your Home Network Speed (And Decipher The Results) How To Test Your Home Network Speed (And Decipher The Results) Read More
  2. Wired vs. Wireless
    A wired connection is faster than a wireless connection. You may also experience signal interference when using WiFi. To fix this you can either re-position your router or change your WiFi channel number. Also check out our article 8 Tips To Effectively Boost Your Wireless Router Signal 8 Tips To Effectively Boost Your Wireless Router Signal 8 Tips To Effectively Boost Your Wireless Router Signal Read More .
  3. DNS Server
    The DNS servers from most ISPs are not very fast and can thus reduce your bandwidth. However, you can get free and rather fast DNS server addresses from OpenDNS: Find Fastest DNS and Optimize Your Internet Speed Find Fastest DNS and Optimize Your Internet Speed Find Fastest DNS and Optimize Your Internet Speed Read More
  4. LAN Cable
    Although a length of up to 50 m should be ok, try to keep the cable as short as possible. If you depend on a long cable, go with a gigabit rated shielded network cable (STP Cat5e or STP Cat6). In any case, avoid bending or stretching as both affect performance.
  5. Running Processes
    Many programs use your connection to transfer data, monitor status, or download updates. You can control which programs access the internet and eat up your bandwidth by using a Firewall The Three Best Free Firewalls for Windows The Three Best Free Firewalls for Windows Read More . If you use Windows 7, have a look at this article: Manage The Windows Firewall Better With Windows 7 Firewall Control Manage The Windows Firewall Better With Windows 7 Firewall Control Manage The Windows Firewall Better With Windows 7 Firewall Control Read More
  6. Limit Reservable Bandwidth
    Per default, Windows reserves 20% of your bandwidth for automatic updates. You can reduce the amount and prevent Windows processes from receiving ‘special treatment’. Enter > GPEDIT.MSC in the Windows Vista or 7 > Start menu or enter it into the > Run dialog in Windows XP. Under > Computer Policy expand > Administrative Templates, click > Network > Qos Packet Scheduler and double-click > Limit reservable bandwidth. Per default it’s not configured. Click > Enabled and set the > Bandwidth limit (%) to 0. Finally > Apply and reboot.
  7. Malware Protection
    Scan for malware and make sure your computer has not been hijacked. Worms can use your network to replicate and thus will slow down your internet connection. Use up to date anti virus and anti malware tools to prevent future infections. Protect yourself with 7 Essential Security Downloads You MUST Have Installed 7 Essential Security Downloads You MUST Have Installed 7 Essential Security Downloads You MUST Have Installed Read More or refer to our Best Of Windows Software 7 Essential Security Downloads You MUST Have Installed 7 Essential Security Downloads You MUST Have Installed Read More page for alternative tools.

For more tips and tricks on how to speed up your internet, consult these resources:

How fast is your internet connection and did any of the tips above result in a significantly enhanced performance? Did I miss a factor or hack that could have a major impact? Please give your feedback in the comments below!

Image credits: Serp, olly

  1. dharma
    May 18, 2015 at 1:43 pm

    how can i change my 10th results?

  2. dharma
    May 18, 2015 at 1:35 pm

    how can i change the results?

  3. WILLEMIJNS
    December 23, 2010 at 4:58 pm

    I use my own speedtest
    http://www.willemijns.com/speedtest with a download guarantee.

  4. WILLEMIJNS
    December 23, 2010 at 5:58 pm

    I use my own speedtest
    http://www.willemijns.com/speedtest with a download guarantee.

  5. Tina
    December 15, 2010 at 5:38 am

    I'm afraid GPEDIT simply isn't included in Windows XP, Vista, or 7 Home / Premium editions. You could eventually go directly to the registry to find this setting and adjust it.

    Let me add though, that 'reserved bandwidth' doesn't mean that it's always blocked. It's not. In fact, it's always available to you, so you usually use 100% of your bandwidth. However, when a Windows program with access to the 'reserved bandwidth' (Qos aware application) needs to make an update, then the 20% reservation will be utilized.

    Taken together, this setting may have an effect now and then, but generally won't speed up your internet speed.

  6. Anonymous
    December 3, 2010 at 3:18 am

    Note that GPEDIT (group policy edit) in item 6 is apparently only available in higher versions of Win7 (it doesn't show up in Home Premium).

    • RichieB07
      December 15, 2010 at 2:30 am

      Is there a way to get into the GPE if you have Home Premium? I did the test and my speeds were very slow (.88MBPS download and .17MBPS upload), and was hoping that the GPE could help get rid of that 20% reserved.

    • Tina
      December 15, 2010 at 4:38 am

      I'm afraid GPEDIT simply isn't included in Windows XP, Vista, or 7 Home / Premium editions. You could eventually go directly to the registry to find this setting and adjust it.

      Let me add though, that 'reserved bandwidth' doesn't mean that it's always blocked. It's not. In fact, it's always available to you, so you usually use 100% of your bandwidth. However, when a Windows program with access to the 'reserved bandwidth' (Qos aware application) needs to make an update, then the 20% reservation will be utilized.

      Taken together, this setting may have an effect now and then, but generally won't speed up your internet speed.

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