Is it worth moving a low traffic site to a Managed VPS?

I'll chime in as well with Azman on this.

Using a CDN will help you as far as caching static content throughout that CND's network. If a viewer is closer to one of the CDN's servers, that content will be served from there, not your server. This will reduce both load times of the site as well as loads on your server/hosting.

A web host that does not oversell space/bandwidth will be able to provide you with a WAY better quality environment. Remember, servers are physical devices, as are disks which have physical limits. There's no such thing as unlimited disk space/bandwidth - it's a marketing gimmick. Massively oversold environments will have thousands of accounts piled onto one server/cluster, which will ultimately result in slower response times & db queries. You'll see this the most with the "bargain hosts", the ones that claim to give you unlimited space/bandwidth or 100's of GB of space for $2/month.

Another factor is the server RAID config. RAID 10 is pretty much the best config right now. Exceptional read/write performance with excellent redundancy.

I hope that answers any questions/concerns you had!

-Brent

Hi Rahul,

I've written a summary about CDN in my blog. Will give you a good overview about it.

Like Kingfish mentioned, your site content is cached at the nearest server to your visitors region. So when another visitor comes to your site, it loads that cached content at the visitor's PC in an instant. A CDN provider may have many caching servers all over the world to serve every region. That sums up the lengthy article I wrote in the blog. lol.

You have 2 ways to connect your site with a CDN ( either with CloudFlare or Incapsula ):

1. A Web Hosting Provider who has partnered with a CDN provider and integrated it as a function in the Cpanel. They make sure it works for you. ( VopaHost is one )

2. Personally subscribing to a CDN provider at their web sites and link your server to it's services. Usually they have a dashboard to let you do that easily.

Some people may argue that they do not need CDN just because they are using content caching plugins such W3 Total Cache and etc. But the problem is the cached content are still inside the Web Hosting Server. And your visitors do not live inside the Web Hosting Provider's network operation centres. lol.

WordPress caching plugins do reduce the use of server resources in creating dynamic content. But the plugins do not help much in loading content at the visitors' local PCs. There are just scores of hops and networks the data need to pass through before reaching your visitors. A CDN overcomes this issue and become a bridge to directly deliver your data pretty fast - dynamic & static.

I'm not sure what kind of content you're serving your visitors. So, I'll add another point. Serving video and audio streaming, need a different kind of CDN, other than the ones I mentioned earlier. All about it in my blog article.

With CDNs, you would be optimizing the speed of your delivery for all sorts of content to your visitors.