Bandwidth or data transfer
Too often the host of Internet sites about bandwidth and data transfer at the same time, but they are different but closely related. Bandwidth is the amount of data can be transferred at once, and data transfer is the amount of data is being transferred.
How it affects your site
Which has less bandwidth, the slower the load on your site, regardless of connection type of visitor. If you have more visitors, some of them will have to wait your turn. The less the data transfer you have, the more often you will find your site because it has not reached the maximum allowed until a new month rolls by or you upgrade your account.
What your needs are?
Normally when one speaks of bandwidth hosting, which refers to your monthly transfer limit. So you need to know what is enough for your site for its operation. You will need to gather some information, which is quite easy to do if you already have a site. Most of this information is available from your traffic history. If you do not have an existing site, provide an optimistic estimate if you intend to heavily promote the site. Then get ready for some math.
"Xx Visitors Page views Page size x 30 days = Monthly Website Transfer"
You should also throw in a small margin of error or take into account email traffic and your own files to the server. If you offer downloads, you must add the following:
"Average / Expected downloads x File Size x 30 days = Monthly Download Transfer"
Bandwidth is very expensive. All hosts are limited by their own allocations. Think back to the bridge. What happens is that all visitors to your site will be a small lane to transfer the data, the creation of lanes, so many tiny "unlimited". The more visitors you have, the smaller each lane will be, what he does expect all visitors to the upload page.
Very often there is not enough bandwidth in excess of their choice, as your host controls. Some guests may limit the number of simultaneous connections, the slowdown will affect your site and refusing some visitors. This is called acceleration. If you are worried about this, you should ask the host to control bandwidth of the way in which the use or purchase of a package with more data transfer.
Another good idea is to cache your website but you may want to set an expiration date in the HTTP headers so the browser will refresh the content after a certain time. Use mod-gzip. You could save as much as 40% of their bandwidth. Out of control robots can also suck on their bandwidth like a black hole. Therefore, the use of robots.txt to keep spiders at bay.
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