A Content Delivery Network is used to distribute data to end users of an Internet service. It is typically used for large scale distribution, and employs caching and numerous edge locations to speed up and reduce the bandwidth requirements of the process.

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How do I configure an SSL only site, in a way that doesn't affect browser connection limits

The Yahoo Developer Best Practices recommend using multiple hosts (host1.company.com, host2.company.com, etc..) as a way of overcoming a webbrowsers built in limitation of only issuing two concurrent ...
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2answers
53 views

Processing files from a Content Distribution Network problem

From what I understand that CDNs are meant to physically cache your static files in multiple regions closer to your users. However, I've noticed a few websites that when a page is requested from their ...
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2answers
365 views

Wordpress feed does not update after APC and Cloudflare

I am running a Wordpress site on a Ubuntu server. I installed APC and setup Cloudflare. After that I started having a strange problem with the feed. When I check the feed on the browser, I can see ...
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2answers
520 views

VoxCAST / Voxel CDN experience?

I see Voxel quoting $.10/GB, no monthly commitment. At our traffic level, this is significantly cheaper than I'm getting quoted from more established CDN's (generally .18-.22/GB). Anyone have any ...
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2answers
1k views

Adding expire headers to content served from CDN?

I'm using MaxCDN to serve content to my blog using W3 Total Cache. The problem I'm running into when evaluating my site using Google Page Speed and YSlow! is that expire headers are not being sent on ...
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1answer
256 views

Amazon S3 appears to be blocking cloudflare IP addresses. How do I fix it?

I have static content that is being served by Cloudflare. Cloudflare points to Amazon S3 to pick up the static content and serves it via a CNAME (cdn.mydomain.com). The bucket is setup properly and ...
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1answer
112 views

Hosted file is downloaded damaged by IE

I have a ZIP file hosted via Apache with Akamai as CDN, the problem is when trying to download it with IE (and just IE) it is damaged and I'm unable to open it. Since the problem occurs in other ...
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1answer
107 views

Amazon CloudFront Synchronization

I want to leverage Amazon CloudFront to "cache" my webserver such that my website stays up even if my webserver goes down. I understand CloudFront has many edge servers that facilitate the ...
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1answer
584 views

htaccess - How to allow access only to static files for specific domain

The idea is to serve js,css, img files using different domains so I created following domains: css.mydomain.com js.mydomain.com img.mydomain.com The main site URL is www.mydomain.com. When I ...
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1answer
134 views

Test site speed

I am test driving an Akmai CDN architecture and before committing to buy, I would like to gauge the real performance gain from the acceleration feature. What would be the best MO for doing speed ...
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1answer
296 views

How to meter rackspace+Akamai usage

On our system(which is based on Rackspace cloud and uses integrated Akamai CDN) we want to cap usage of our cloud files and CDN and bill users accordingly. If I look at API set exposed by Rackspace ...
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1answer
54 views

Redirect to a CDN

I will like to distribute a javascript file with several of my clients, they have several thousands of unique visits a day on their pages, so my file will be called a lot of times, i don't want that ...
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1answer
217 views

Chrome not caching CloudFront video/audio; CloudFront delivers http 1.0 headers

With the following response header: HTTP/1.0 200 OK Content-Type: video/mp4 Content-Length: 3294545 Connection: keep-alive Date: Thu, 30 May 2013 21:17:34 GMT x-amz-meta-s3cmd-attrs: ...
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1answer
211 views

Check whether CDN is working or not

Is there any way to find whether the static content is being served by CDN or not. Using curl, can i find whether the static file is being served by CDN or by the webserver.
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1answer
65 views

CDN that pulls content from 3xx redirect target?

Storing data in Amazon's S3. Some of the data is for public viewing, and some is for private. I'd rather have everything in S3 marked as private, and enforce viewing constraints through my web app. ...
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1answer
75 views

CloudFlare dashboards empty, or performance issues

I wanted to test CloudFlare performance so I set my image gallery domain on it and started testing. I have added PageRules for caching. And chose the Security: Essentially Off. I checked NS check ...
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1answer
166 views

Subdomains with some dynamic content and some static content on a CDN

Here's what I want to do. I know I can't do everything; I'm looking to see how close I can get or if anyone has a creative solution. The goal is to make it so I can deploy HTML+CSS+JS to ...
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1answer
462 views

Google Analytics setting cookies on static content despite being on entirely separate domain

I recently decided to comply with the YSlow recommendation that static content is hosted on a cookieless domain. As I already use the root of my domain (donaldjenkins.com) to host my website—on which ...
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1answer
88 views

Hosting a javascript api file for third party sites the way sharethis, uservoice, analytics do it

I'm preparing to launch a service soon which will provide third party websites a widget. The widget requires my javascript file in the website's code. Exactly the same way services like analytics, ...
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1answer
391 views

CDN Rerouting on 404 (file not yet in synch with original storage)

Here is the problem. I've setup my app(on EC2) to store uploaded images directly on Amazon S3. I'd like to be able to serve static files(cdn) from my 'home' server so I wrote script that does sync ...
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0answers
154 views

Is it possible to configure a CDN so that it will step out of the way for a subset of regional IPs?

We have a website which targets customers in China, both expat and local Chinese. We have an ICP license which allows us to host in a datacenter inside China. Internet in China is actually as fast as ...
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0answers
34 views

How to use an origin-pull CDN with external CNAMEs?

I have a particular issue that I'm struggling with regarding setting up a CDN. To describe our situation: We are running an ASP.NET based CMS(DotNetNuke), configured with two different web heads on ...
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329 views

High latency on domain with CDN

High latency on domain with CDN I have problems with latency on my server, these are the tests I made with blitz.io Latency album http://imgur.com/a/bCmwo I would uploaded images here but it ...
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424 views

Testing image load times CDN vs Nginx server

We have been running a website that contains quite large image gallery. We started growing and we need a new place to keep our images. So I started looking and testing. For testing purposes I created ...
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33 views

Cloudfront - How to invalidate objects in a distribution that was transformed from secured to public?

The setting I have an Amazon Cloudfront distribution that was originally set as secured. Objects in this distribution required a URL signing. For example, a valid URL used to be of the following ...
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198 views

Azure CDN '502 - Bad gateway' over HTTPS

I have Azure CDN targeting to a cloud service and it has worked for months but from last weekend it fails with '502 - Bad gateway' on HTTPS. If I request source directly (using cloud service name) ...
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251 views

Nginx - Getting high request time for some static files

We recently moved to Nginx for serving static images for our website. The entry level server is easily able to handle the load with load avg mostly around 0 and low cpu usage. But when we logged ...
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66 views

CDN options for 2Mb/sec for 500,000-750,000 viewers

My company does live-event streaming. Previously we handled 10,000-30,000 viewers of our stream. We just signed contracts to broadcast these events to approximately 500,000-750,000 viewers. Our stream ...