1.0123 Reg Blog: Small business tips, insight and advicehttps://www.123-reg.co.uk/blog123 Reghttps://www.123-reg.co.uk/blog/author/123-reg/rich600338<blockquote class="wp-embedded-content" data-secret="3zws4VNvRW"><a href="https://www.123-reg.co.uk/blog/infographics/what-is-bandwidth/">Bandwidth: What is Bandwidth?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.123-reg.co.uk/blog/infographics/what-is-bandwidth/embed/#?secret=3zws4VNvRW" width="600" height="338" title="“Bandwidth: What is Bandwidth?” — 123 Reg Blog: Small business tips, insight and advice" data-secret="3zws4VNvRW" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.123-reg.co.uk/blog/wp-includes/js/wp-embed.min.js </script> https://www.123-reg.co.uk/blog/wp-content/uploads/2026/06/Blog-Header-Domain-Transfer-1440x460-2.jpg1440460Bandwidth is the amount of data that can be transferred between your website and its visitors over a given period of time. The more visitors you get, and the more content they load, the more bandwidth your website uses.   What does bandwidth actually mean? Think of bandwidth like a water pipe. A wider pipe can carry more water at once. A narrower pipe restricts the flow. In website terms, every time someone visits your site, data flows from your server to their device. That data includes your text, images, videos, and any other files that make up your pages. Bandwidth is the capacity of that pipe — how much data can flow through it at any one time. If your website has plenty of bandwidth, it can handle lots of visitors loading lots of content without any problems. If bandwidth is limited and traffic is high, your site can slow down or become temporarily unavailable.   How is bandwidth measured? Bandwidth is measured in bytes, usually expressed as gigabytes (GB) or terabytes (TB) per month. A small website with modest traffic might use just a few GB per month. A busy site with lots of images, video content, or high visitor numbers can use considerably more. When you sign up for a hosting plan, bandwidth is one of the key things to look at. Some plans include a set monthly allowance. Others offer unmetered bandwidth, meaning there is no fixed cap on how much data your site can transfer.   Do I need to worry about bandwidth? For most small websites, bandwidth is rarely an issue. A simple website with a modest number of visitors is unlikely to come close to the limits included in a standard hosting plan. That said, it is worth keeping in mind as your website grows. If you start adding more video content, running campaigns that drive a spike in traffic, or building a busier online shop, your bandwidth needs will increase too. Signs that you might be running low on bandwidth include slower page load times during busy periods, or your hosting provider notifying you that you are approaching your limit.   Bandwidth and your hosting plan Choosing the right hosting plan means making sure you have enough bandwidth for your website now, with room to grow. At 123 Reg, our hosting plans are designed to scale with you: ☐ Web Hosting is a great starting point for most new websites, with generous bandwidth included as standard. ☐ Premium Hosting gives you more power and resources for growing websites that are starting to see more traffic. ☐ VPS Hosting offers dedicated resources so your bandwidth is never shared with other websites on the same server. ☐ Managed WordPress Hosting is built for WordPress sites and includes unmetered bandwidth as standard, so you never need to worry about traffic spikes catching you out. Not sure where to start? 123 Reg Website Builder includes hosting as part of the package, so bandwidth is taken care of from day one.   More traffic is a good problem to have As your website grows, your hosting needs to keep up. If you are finding that your current plan is feeling the strain, upgrading is straightforward with 123 Reg. Take a look at our hosting plans and find the right fit for where your website is headed. For more, check out: Managed vs Self-Managed Hosting – How to Choose the Best Option for Your Business