A content delivery network or content distribution network (CDN) is a system of computers containing copies of data placed at various nodes of a network.

learn more… | top users | synonyms (1)

4
votes
1answer
604 views

Google CDN or Akamai

We combine and minify our JS with Minify - the combined JS is then cached on Akamai. I'm suggesting to my supervisor that we put JQuery and JQueryUI on Google CDN and take it out of our combined JS. ...
11
votes
3answers
26k views

What's the best FREE CDN service available? [closed]

It seems like using CDN is a best option to provide users a great browsing experience. But, plans of the major CDN providers seem costly. So, I would like to get used to the CDN thing before I ...
0
votes
1answer
147 views

Most immediate CDN

I'm interested in the user experience effects of a near-instantly loading home page. Are there CDNs specifically designed to serve tiny data, like a 500-byte HTML page, to the browser as fast as ...
0
votes
2answers
554 views

Can parking a domain on my primary domain have an effect on primary domain's SEO?

My Question is this: I have a primary domain (assume it's domain.com). Now I parked domain-static.com on domain.com. The idea is that static content (images, JS, CSS) is served from ...
7
votes
1answer
212 views

How much do other CDNs charge?

I'm currently using Amazon S3 and CloudFront as a CDN to serve my images. Amazon publish their prices on the site: $0.120 per GB transfer and $0.0075 per 10,000 HTTP Requests. However, other CDNs ...
3
votes
1answer
2k views

Costs of hosting static files on Google App Engine

I am considering using GAE as a kind of CDN, to host an entire static website. Soon they will start using new pricing. Does every site visitor start a frontend-instance? What will be the cost ...
2
votes
1answer
196 views

Two URL CDNs are better than one for SEO and Speed?

For example, my URL is: www.site.com For SEO, PageSpeed and Server Tweaking for ultimate performance, and speed, my code places static files like JavaScript, CSS and Images on my CDN: ...
1
vote
1answer
220 views

How to update DNS Zone for a static domain

I am running this site: www.thetechnofreaks.com on Wordpress. Recently I came across a plugin that claims to increase the page load efficiency of my site. the plugin details can be found here: ...
6
votes
2answers
512 views

CDN solutions pros and cons

As the sysadmin in our organization I've been asked to look into CDN solutions as we have plans to roll out a web platform that is targeted at developing countries. Here is my research so far on the ...
6
votes
2answers
2k views

is it true that CloudFlare really doesn't affect dynamic content?

I've been reading the CloudFlare FAQ, I understand that is acts as a reverse proxy and all requests to your domain will go through CloudFlare. They say in the FAQ that it won't slow down dynamic ...
12
votes
2answers
426 views

When to switch to a CDN?

I have read about CDNs and what they do. The question I have is three fold. When should you start to use a CDN? My site is small currently and do not see the need for a CDN but is there a general ...
1
vote
2answers
238 views

Is Google Page Speed Service a competitor for CDN services

I've been googling around for a cheap CDN service and came across: http://code.google.com/speed/pss/index.html This seems to be a competitor to other CDN services, is this the case? Thanks
11
votes
1answer
389 views

When and when not to use a CDN

I'm working on a web-application that loads a couple of small gif images onto the screen. I'm using a relative path, which means they are loaded from the same web server that serves the php page. The ...
1
vote
1answer
194 views

CDN png image not accessible from my machine

I'm getting a very strange error on http://cure.org where the following PNG image is not being delivered from the CDN to webkit browsers (both Chrome and Safari), but Firefox is loading it just fine. ...
17
votes
2answers
1k views

Where can I find the full list of Google/Microsoft CDN hosted AJAX files?

While Google hosts this list and Microsoft hosts this one there are several files missing such as jQuery UI CSS. Where can I find a complete listing of all the resources offered for major AJAX CDNs, ...
1
vote
1answer
103 views

Use a CDN to handle UGC uploads

I was on the phone with a sales guy from Akamai and he mentioned that they offer a service that can handle user generated content uploads (videos in our case) to their edge network. Unfortunately, ...
1
vote
2answers
2k views

Using CDN vs having your own static server, and how it's done?

I would like to speed up my site and am considering moving all static files and user uploaded content to a separate server. I have an option to use a CDN or to setup my own static server and serve ...
1
vote
1answer
127 views

Where does content distribution network come into picture for youtube

I have vaguely heard of CDNs (Content Distribution Network) and I suppose they come into picture in context of multimedia(audio/video) online sites like youtube. My question is what really are these ...
2
votes
1answer
253 views

Do CDNs work with POST operations?

I'm using a CDN (Level3) for the first time and I'm a bit confused. I'm accessing dynamic URLs such as http://cdn.mysite.com?getItem=1234 that return text data. Do CDNs work with HTTP POST ...
3
votes
2answers
873 views

Using YouTube as a CDN

Why isn't YouTube used as a CDN for video and audio files? Through YouTube's api and developer tools, it would be possible to post all media files to YouTube from a CMS and then make a call to them ...
7
votes
1answer
497 views

How is Apple's enormously image-heavy site served so fast?

Took a profile of the "Smart Cover" page on Apple's site using Pingdom. It's requesting 241 objects for a total page weight of 3472.6 KB! An absolute mammoth. How does this possibly translate into ...
15
votes
4answers
6k views

CDN - Content Delivery Networks. How do they work and why would I want to use one?

What exactly is a Content Delivery Network (CDN), how does it work, and why would I want to use one for my web site? Which are the well-known CDNs out there?
1
vote
3answers
1k views

What is the difference between CDN networks and which one is the best out there?

I run a popular site for which I would like to use a CDN network. So far I have found NetDNA since it is easier to setup with W3 Total Cache plugin. There is Rackspace Couldfiles and Amazon. But ...
3
votes
1answer
718 views

What's the pro/cons of Adobe TypeKit API? Any best practices?

With all the Open Source fonts I have available, and I can download them via the CSS font directive, what's the benefit of the TypeKit API? Are there drawbacks of this? How does it work technically? ...
38
votes
4answers
845 views

When did you decide to use a CDN? How did you measure the “success” of using a CDN?

When did you decide to use a Content Delivery Network? How did you measure the "success" of using a CDN to help justify the additional cost? Added a bounty. Hoping to get interesting stories from ...
4
votes
2answers
553 views

CDN for authenticated sites

We have a site that requires users to sign into. Typical stuff. Today, all the content (dynamic and static) is behind the login process, and you cannot access any of the pages or files via a URL ...