Understanding Web Hosting Bandwidth

by Matt Hedges

“Bandwidth” is a title that you may have heard many web hosts, including your own, discussing from time to time. A simple definition of this term is that is how much data is passed over an internet connection from one set to another. Bandwidth is one of the most important services that a web host can provide and is usually measured in how bits are sent each second. The amount of data being used on a website varies depending on what the the website is being used for. Sites where there is a lot of interaction and communication will take up a bigger bandwidth and this means sites like forums or blogs take up more bandwidth than a more common website. These sites offer far more interaction with the opportunity to load up content and add debate or opinions which is why they take up more bandwidth. These websites will have a greater amount of traffic in comparison to standard websites provided by firms which is another reason why in comparison, the amount of bandwidth that is used by communication or network sites will be much higher.

It may help to break down how you can calculate your monthly website usage and this can be done very simply. The first step should be determining how much bandwidth your website uses, for calculation sake, lets say 20KB. The next step is to work out how many visits your site has per day, which for simplicity sake we shall say is ten hits. This calculations means your daily usage equates to 20 x 10. To get your monthly usage, you simply multiply your daily usage by the number of the days in the month. An important thing to remember is that some providers may list the bandwidth in bytes as opposed to bites.

Many people get confused about how to translate the sizes but an easy way to remember it is that one byte is the equivalent of eight bits. The next step up is 1 kilobyte and this is the equivalent of 1024 bytes.

It is easy to use bandwidth unnecessarily and the biggest culprits are large sized graphics and a lot of customer comments. It is also fair to say that if the end user seeks to receive a lot of images or large amounts of data that they too will use a fair share of bandwidth. This has to be borne in mind when you are constructing your website. It is common to want to add a lot of cool audio and visual treats to your site but doing so will greatly increase your bandwidth consumption. Knowing how much bandwidth you expect to use will help you seek the right package for your usage but beware of web host providers not living up to their promise. There are some providers who will not deliver what they guarantee and this makes choosing the correct supplier an important task.

Understand the amount of bandwidth that fits your requirements.

How would you known that what is the required bandwidth of your website? This question needs to be answered from technical and mathematical point of view. This would also determine the website content you are having and have projected to include in future. It is always better to keep some bandwidth in hand as it would allow you to develop the website and include new features later on. You should take out some time in determining the bandwidth required for your website. If required you can discuss the issue with your web hosts who can suggest you better on this. Almost every hosting company measures the bandwidth plan on a monthly basis and hence you can chart your requirements based n that only. Bandwidth is generally measured as:

Average number of times a page is viewed multiplied by the average number of visitors to your site on a daily basis multiplied by a variable factor multiplied by how many days in a month, with 30 being a good average.

If you would like to offer a range of flexibility regarding bandwidth usage, the following calculation may be preferable:

[(Visitors per day x number of pages looked at x size of the page) added to (the size of downloads per day x the size of the file downloaded) times the maximum number of days in a month (31) times by a variable factor.

Note: All these are measured based on average data.

How traffic and bandwidth are linked:

Bandwidth and traffic are closely interlinked with each other. Visitors can experience best the bandwidth as they are the people who carry out various activities with the websites. If a visitor wants to download an MP3 files from a website into the computer, then 4MB traffic is created between the website and the user’s computer. If the user is having a fast internet connection then the file won’t take much time to get downloaded and hence the bandwidth consumed in the process would be low. The reverse happens if the internet connectivity is poor. Traffic is measured by the number of bits that are transferred on network connections.

How to cut down bandwidth usage?

We all dread bills and an unexpected bill can really cause panic and problems to a person. If you exceed your bandwidth amount, your provider is well within their rights to charge you for this as well as send you a reminder to keep your usage down. This may obviously cause you problems and you could be wondering how you can fix this problem.

Every website is comprised of a number of files and each file on the website takes up so much space. If a visitor to your website comes along and uses these files, this will increase your bandwidth usage. As it is your website, you have the option to control aspects on your website and it is possible to alter how often a file gets used. By limiting the number of images or downloadable items you have available on your site, you can further reduce the bandwidth that is being used on your site. Considering that these files can have a huge size and if they are being downloaded by many users, the overall impact on your bandwidth usage can be very damaging. Altering certain things on your website can also help to reduce its use. For instance, if there is an image or file on your website that is downloaded every time a visitor hits your site, there will be an excessive amount of bandwidth being used. The first action may be too remove the offending file but if this is not an option open to you, you may wish to lower the size of the file. If you are able to do this, you should be rewarded with a lower bill the following month from your bandwidth provider. Another way to look at reducing your bandwidth use is to check for cascading style sheets as they are able to make the size of your HTML files much smaller.

Handy hints for your bandwidth:

* Be able to have a rough estimate of the amount of visitors that access your site or may be likely to access your site at a later date. You can see why it can be of use to have a projection for monthly usage.

* There are options to buy un-metered bandwidth hosting. In such a plan you are charged higher than nay normal shared or dedicated hosting plan and in return the usage will be unlimited. The host won’t monitor the bandwidth rating which is reflected on the left hand side of the control panel.

* When altering your website, ensure you make a note of the changes to allow your estimates to be up to date and more accurate.

* If there is an opportunity to limit the amount of comments a visitor can make to your site, this could be a good option to reduce excessive inputs.

* Be sure to communicate regularly with your web provider and seek their advice on how best to maintain or improve your website. Not every change will lead to a rise in the amount of bandwidth your site uses but there can be positive impacts as well. By removing any files that are no longer deemed necessary can free up bandwidth to be used for other purposes.

* If you use JavaScript then instead of embedding it in each page, use it externally.

* If you resize any of your graphics or logo, remember to refresh and upload to ensure your bandwidth usage is kept to a minimum.

Last remarks:

It is your web host that can guide you bets on bandwidth. Selection of the right web host can matter if your want a proper guidance on web hosting services. The structure and the content of the WebPages would definitely determine the bandwidth expenses. But the effective guidance from the web hosts can equally help you on this regard. Bandwidth theft is a common practice in which the people use other sites images by simply linking them with another page. Such practices, without notice, can be punishable and should not be practices. So if you are a novice, and your website owner advises you on this then always try to avoid. Before discussing with the web host regarding bandwidth and always better to make a study and some research on bandwidth. Your website developers can also guide you extensively in informing about the techniques to save bandwidth.

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