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.

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About cdn architecture to route way

Our web system, use the third-party cdn service. Assume that the user set the local dns with the googledns or opendns to visit our web sites, so cdn service will select the closest cdn proxy node. ...
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580 views

Receiving error 500 for WordPress when using CloudFlare as a CDN

My WordPress site is using CloudFlare as a CDN, and if I use the site's IP address to access wordpress/wp-admin/install.php directly, it works fine. However, when I try to call ...
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396 views

prevent hotlinking of off-site content?

I have a www.example.com site where I serve all static content (e.g. http.//www.example.com/image.jpg) off a CDN with URLs like http://static.example.com/image.jpg An Apache 2 .htaccess rule ...
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2answers
134 views

Serving images on CDN; allow crawl of origin or CDN or both?

I have searched and read through a lot of questions regarding this subject, but cannot seem to find anyone that directly addresses my problem. I have a CDN for all my static images img.domain.net, ...
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2answers
3k views

why is my site slower with amazons cdn?

so I have move most of the static objects to amazons Cloudfront CDN example: http://images.storyfollower.com/images/cycleOfStories.jpg which through cname point to the cdn Now I just ran a speed ...
3
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1answer
793 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? ...
3
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1answer
213 views

getting CDN images indexed with Google

I have somewhere close to 500,000 user-uploaded images hosted on a Cloudfront CDN -- separate from our main host (exampledomain.com). Up until this point, few of them have been getting indexed at the ...
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381 views

Avoid 301 redirect in cdn.domain.mx

I have a domain with a .htaccess redirection problem. The active CDN the URL should be: cdn.domain.mx/images/test.png but redirects: cdn.domain.mx/images/something.png -> ...
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41 views

Do server stat tools work with CDNs?

If I pick a hosting package that offers CDN support, then how do server stat tools work, since web pages are served by different servers from all over the world? Can I rely on them in that case?
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84 views

Web hosting for Israeli visitors

I developed a version of a client's main website in Hebrew. Most of the Hebrew site visitors will be coming from Israel. My server is fast in the States but sluggish in Israel (per some ping testing). ...
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117 views

Significant drop in SERPs on 12th November 2011

Earlier this year I decided to have a look at the SEO of our website. We noticed almost immediately that we dropped significantly in the SERPs for the keyword 'probiotics' (plural) on the 12th ...
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1k 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 ...
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4answers
180 views

Splitting big CSS file into parts for quicker loading

So I have a relatively big CSS file. I thought about doing the following, splitting it to 3 parts: 1st part will have the main selectors that are needed to run on the main page that gets the biggest ...
2
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2answers
366 views

Do Google/Twitter etc actually use distributed servers to serve their resources?

I'm trying to optimize my website and running a few tests using webpagetest.org. I tried the test from Singapore and Hongkong. I saw that while all facebook, quantcast, chitika scripts were loading ...
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2answers
457 views

Tumblr disabled custom domain for using CloudFlare

I have a Tumblr blog which uses a custom domain. Yesterday I tried to add CloudFlare to it which was a terrible mistake. Apparently Tumblr does not support Cloudflare and will therefore disable ...
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3answers
761 views

How can Cloudlfare speed up PHP/MySQL?

My dreamhost plan offers me to use cloudflare CDN to speed up my pages. My page uses PHP/MySQL. I was wondering how this works, because everytime the page is loaded it must execute the PHP code and ...
2
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3answers
825 views

DNS lookup when using a CDN

Using a CDN can vastly improve the load time of a website. I been thinking of using it to host all my external files like CSS, JS, Images, Videos etc. However I was thinking when linking to a CDN, ...
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89 views

Youtube video as page background

I'm creating a page for the customer, and I wanted to use youtube video as a page background. I don't know if it's legit (or prohibited) to use youtube like CDN server (cuz it uses their bandwidth ...
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1answer
350 views

Google indexing fewer images after switching to CDN

After switching to a CDN I noticed that my indexed image count went down. I have close to 1000 images on the site with correct tags, alt tags, and all of that. Only 50 are actually being indexed in ...
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1answer
61 views

Slower site with the *same* configuration than a mirror copy…?

I've got this Drupal site (ligadelconsorcista.org) that I have to move it from one server to another. The reason was that my older host even when it was pretty decent, it started a couple of months ...
2
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2answers
41 views

Need .htaccess mod_rewrite for serving static content from subdomain, but forcing www otherwise

I have a website where I currently force example.com visits to www.example.com, and it has an SSL certificate, so I also force HTTP to HTTPS. My SSL certificate covers example.com and www.example.com. ...
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3answers
407 views

Does using a CDN such as Amazon Cloudfront save hosting bandwidth?

I have a site hosted on a shared server with limited bandwidth. Does using a CDN like cloud front minimise bandwidth usage on my hosting server?
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138 views

Optimising website IP for location

From my understanding of SEO, websites are optimised for the current location of their IP address. For example if xxx.xxx.xxx.xx resolves to the UK then you are more likely to get higher rankings in ...
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1answer
207 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: ...
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2answers
51 views

Avoid caching by creating photo names that contain unique identifiers?

If you are building a website that will display photos to users of the site, is it important to always give each photo a unique name? For example, instead of naming a photo file using an index number ...
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1answer
61 views

What's the SEO impact of using a shared CDN URL

Say I have a Magento webshop with 4 different store-fronts and a European CDN which has a customized DNS lookup handler which localizes your CDN DNS lookups (so looking up cdn.myshop.co.uk from France ...
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1answer
105 views

Is there any benefits of using a separate .com domain for CDN?

My company is using AWS CloudFront as a CDN for our website's media content. The previous employee set up a separate .com domain name with CNAME pointing to our cloudfront domain ...
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1answer
407 views

How can I prevent Facebook from considering Google drive links unsafe on my website?

On my small website I've recently began using Google Drive as content delivery network. This is to solve resource usage issues with my provider. This worked well, but I'm confused because Facebook ...
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1answer
160 views

Rehosting content from another server

We have a set of static pages that will augment a customer's existing site. The pages will not reside on the customer's servers for logistical reasons and because we need to maintain control of the ...
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1answer
656 views

Can I put ads from more than one Google AdSense publisher under one site/page?

I have a Google AdSense Personal account and recently for some reasons I HAVE TO open a company account. Since an personal account can't be changed to a company one, I have to register a new one, with ...
2
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1answer
309 views

Is there any other CDN than Amazon which supports hadoop?

I need know about CDN which offers to store HDFS . I know amazon offers such service but i am looking out if some others are giving some better service , additional features or cheaper service. Please ...
2
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2answers
253 views

Do any CDN services offer multiple urls (or aliases) for your files?

Lets say a company has multiple commercial web properties that happen to use a lot of the same images on each site. For SEO reasons, the sites must not appear to be related to eachother in any way. ...
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1answer
394 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 ...
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60 views

CDN caching my HTML pages too!

Recently I started using Amazon CloudFront to serve my site's JS,CSS and images via CDN. However, seems like with those, CloudFront serving my HTML pages as well? Thus http://mydomain.com and ...
2
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1answer
294 views

Does changing the picture folder path of older website affect SEO?

I have a 2 years old WordPress based picture website. Now I am planning to use CDN for my website. But the problem is I have to move my picture folder to a subdomain. For instance my current path is ...
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2answers
935 views

What's the most efficient & economical way to do GeoIP redirects for a high traffic site?

So, I'm setting up a new potentially high traffic site that's made up of several simple static pages. We want to host it as efficiently as possible, as we're both on a non-existent budget and may have ...
2
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1answer
310 views

Internal CDN and setting up subdomain to increase maximum parallel connections

I've heard that browsers can have around maximum of 6 parallel connections per domain at a time. So I decided to have another subdomain "cdn." then use mod_rewrite to point to media folder then ...
2
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1answer
110 views

CDN for site with target market in Australia

I was told that http://www.edgecast.com/ is very good CDN provider for Australian market. I have a cloud server based in Sydney Australia but was wondering whether it's even worth getting cdn as my ...
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2answers
800 views

Problems Using CloudFlare On Blogger

Here's the situation. I got a TLD for my blogger blog and set it up using the instructions from blogger. Blogger asks to: Add two CNAME records. For the first CNAME, where it says Name, Label or ...
2
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1answer
700 views

Could a CDN serving static images result in decreased search engine rankings? [duplicate]

I have set up Cloudfront on my site to serve static files only. This results in the image file's URL to change from: mysite.com/image.jpg to uniqueid.cloudfront.net/image.jpg Will this affect how ...
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0answers
13 views

I want to build a script CDN for my place of employment [duplicate]

I write a bunch of scripts (javascript, php, perl) for my work. Right now, people have to get the scripts themselves from our sharepoint, and then install it as either a bookmarklet or a greasemonkey ...
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0answers
117 views

CDN for zocial css file [closed]

I am looking to use zocial css file for a site and need to figure out if any CDN hosts this file. If not, I will resort to using the local server (or my own CDN package). I do not think relying on ...
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0answers
35 views

Github download is deprecated [duplicate]

Possible Duplicate: How to find web hosting that meets my requirements? I'm using Github for a Open Source project, we have also used their file system so that users can download our binary ...
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3answers
1k views

Cloudflare is it safe?

I am thinking of signing up with cloud flare, but since i'm not very familiar with the technical side of things, I wanted to ask here first. How safe is it to sign up with services, like cloud flare? ...
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1answer
122 views

Why does a CDN strip the file extension of an image to protect against leeching

So I was reading on Quora and came across this awesome picture: http://qph.is.quoracdn.net/main-qimg-fa81af575c5e0ef69d78fc011a71e865?convert_to_webp=true Trying to isolate this resource I noticed ...
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2answers
2k views

Tahoma, Verdana, Trebuchet, Georgia, etc as webfonts?

Does anyone know if the so called "web safe fonts" like Tahoma, Verdana, Trebuchet or Georgia are available as webfonts (that you can link to and safely use in your stylesheet) on a public CDN ...
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234 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. ...
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1answer
133 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 ...
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2answers
880 views

Why does Google PageSpeed Insights show a lower score for my website when using a CDN?

I'm trying to improve my site's PageSpeed. So far so good, I received score of 91 points for mobile and 97 points for desktops using Google PageSpeed Insights. However, when I add a CDN service for ...
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52 views

Determine Original Domain from CDN URL

Given a URL with a CDN domain (e.g. a1856.g2.akamai.net), is there a way to find out the original webpage/service that was requested when it was delivered via that CDN? I am monitoring my internet ...