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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Font blocked from loading by Cross-Origin Resource Sharing policy: No 'Access-Control-Allow-Origin'

we are experiencing this error in Google Chrome. We thought everything was set-up correct. But maybe not? Font from origin http://skin.cdn.com has been blocked from loading by Cross-Origin ...
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12 views

Can CloudFlare use different origins based on path pattern?

I'm trying to switch from AWS CloudFront to CloudFlare. Currently, my web site is hosted on EC2 and my large static files are placed in S3 separately. CloudFront let me serve the web pages and the ...
4
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3answers
95 views

What Ranks Better? Faster Server located in foreign country or Slower Server from same country?

95% of my website traffic is from India and 5% from USA. What happens if I host my server with higher resources in USA or with lower resources in India. Will it have any effect on the ranking of my ...
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0answers
12 views

Should images moved to CDN be 301 redirected?

I've seen a couple different questions or this one, similar to this, but they didn't really answer my question all they way. I have a site I built for a friend about a year ago and I recently had all ...
1
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1answer
27 views

CDN change check

After I push a change to our assets origin, is there a way for me to check if this change has indeed cascaded everywhere on our CDN? I am looking at something similar to what OpenDNS Cache check does ...
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1answer
29 views

Benefits of CDN for the providers of online libraries

I know benefits of using cdn for ones website and I have been using cdn for 5 years now. But my question is, Sites like jQuery, Bootstrap, Web Fonts, ... that provide free cdn for their products that ...
3
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2answers
17 views

Measuring if I actually need to put my images in to a CDN?

I am currently evaluating adding CDN capability to our website. I know however I do not want to go through the effort, or pay the cost associated unless I can measure the improvements. So therefore, I ...
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2answers
61 views

What CDN features are the most important when picking a CDN provider?

Price and a number of PoP's surely do matter. But if I was after choosing one CDN provider out of 10 similar ones, what CDN features would be the most important? Which ones do really matter for ...
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2answers
880 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
497 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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4answers
7k 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?
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4answers
78 views

Local files vs. CDN

If website load time is a concern which is generally better to use when referencing a JavaScript or CSS file? Would using a CDN be better or would that just add more HTTP requests?
3
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2answers
143 views

jQuery not loading from CDN

I have a custom CMS, and for some reason jQuery will not load from the CDN. After sitting on this for days, I remember I made a change the the .htaccess file but not sure if it's really the cause. ...
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0answers
23 views

CDNify Not Getting Assets

I'm trying to add my website as a resource on CDNify, but it doesn't seem to be fetching my assets nor caching them. From their website: How long does it take the CDN to setup? 5-10 minutes, ...
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4answers
8k views

Why do big sites host their images/css on external domains?

Why do sites like Facebook, Twitter, and Google host their images and css on external domains such as: Facebook: static.ak.fbcdn.net Twitter: a0.twimg.com Google: ssl.gstatic.com Question(s): Is ...
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2answers
13k views

Is there a way of using HTTPS with Amazon's CloudFront CDN and CNAMEs?

We use Amazon's CloudFront CDN with custom CNAMEs hanging under the main domain (static1.example.com). Although we can break this uniform appearance and use the original whatever123wigglyw00....
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2answers
119 views

Possible SEO issues with setting up CDN

I am about to enable CDN on one of my new sites and want to avoid any duplicate content/ranking issues. By default WP engine CDN url's are configured the following way: This url: http://domain.com/...
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40 views

How to prime cache on all location of a cdn

I have just started using MaxCDN to serve static resources faster (images, js and css mostly). It works great, as long as the data is cached on the cdn's location that is close to where I live. But ...
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19 views

speed boost for just a subdomain

Because I'm hesitant to jump into new products for my website, I'm looking for a special free CDN that I don't know if it exists or not. I tried incapsula on my mobile site, and unfortunately, it ...
22
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4answers
836 views

How can CloudFlare offer a free CDN with unlimited bandwidth?

The CloudFlare free tier service offers unlimited bandwith while other CDNs charge starting at about $.10/gb. CloudFlare does not have bandwidth limits. As long as the domains being added comply ...
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2answers
88 views

Would a CDN solve the problem of me making $0 RPM on my mobile site?

I read the following policy on google: Is placing a 300x250 ad on the first view screen of a smartphone considered a policy violation? Yes, this would be considered a policy violation as it ...
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4answers
46 views

Which is better for linking to external resources on a webpage?

What is the recommended way for linking to external CSS files and JavaScript files on a HTTPS secure webpage, e.g is it better to use: //cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.6/css/...
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1answer
9k views

How does CloudFlare's Rocket Loader actually work (and how can a developer ensure compatibility)?

CloudFlare has quite a ground-breaking technology called Rocket Loader (both on free and paid accounts). But how does it actually work? They have a couple of pages that describe the technology, but ...
2
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1answer
1k views

Webmaster Tools “Fetch as Google” doesn't fetch my js/css/images on a CDN

I've discovered that when I do Google Webmaster Tools --> Fetch as Google on a page on my site (let's call it http://example.com), it shows the static assets (js, css, and images) as Temporarily ...
4
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1answer
516 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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2answers
29 views

When CloudFront is activated some elements are failing to load

I use WordPress and I'm using CloudFront as my content delivery network. When activating CloudFront some elements, practically icons are not loading, what could be the problem?
4
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3answers
363 views

Cloudflare in cPanel is it a no brainer?

I recently noticed a CloudFlare CDN service addon appear in my cPanel. I understand what a CDN is, but thought it was a more complicated process than the one-click solution that seems to be offered in ...
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14 views

Do I need CDN for a Wordpress blog getting 50000 page views a month? [duplicate]

My blog gets pageviews from all over the world and it has approx. 500 images.
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2answers
95 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 ...
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2answers
80 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. ...
20
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3answers
9k views

How to use Cloudflare and Namecheap email forwarding at the same time?

I want to use Cloudflare, and it requires that I use their nameservers. The problem is that I'm using some features from Namecheap like email forwarding, which will be disabled (if I didn't get it ...
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1answer
132 views

Low cache hit rate with Cloudflare

I am using a free Cloudflare account with a WordPress site and have seen consistently poor cache hit rates. After several weeks using Cloudflare, only about 22% of requests and 50% of traffic by ...
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2answers
55 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 ...
3
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2answers
1k views

Do I set a DNS A Record for the new GitHub Pages to use their CDN?

GitHub updated their Pages service for custom domains yesterday and I'm not clear on one small detail. They recommend a CNAME record for www.example.com but do not recommend using A records for the ...
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4answers
2k views

Google doesn't crawl CDN files

I've noticed that Google Webmaster Tools is reporting a lot of blocked resources in my website. Right now all the "blocked resources" are .css, .js and images (.jpg, .png) that I serve from Cloudfront ...
7
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2answers
1k views

Can we serve our sites images with an ad server and not have the images blocked by ad blockers?

For speed of deployment on a custom build site we were looking at using an AdServer system for the delivery and management of in-house banners, videos and selective graphical elements. Yes, some were ...
3
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2answers
192 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, it'...
4
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2answers
758 views

Can I route only a subdomain through CloudFlare?

I'm currently using Amazon CloudFront as a CDN for my images on a subdomain img.example.com, from an origin origin.example.com. I recently saw that CloudFlare provide a CDN for a flat fee so I'm ...
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0answers
12 views

How many visitors can my dedicated server handle at once? [duplicate]

I have a dedicated server with these specs: Processor: Intel Core i5 3.40GHz (3570) Memory: 2 x 4GB DDR3 Hard Disk: 2 x 1TB (Raid-1) Operating System: Microsoft Windows Server 2008 R2 Web 64bit ...
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1answer
71 views

How to SpeedUp? Small Wordpress page, 447kb, load time ~3sec

Testing: Under NameCheap shared hosting my 5 page Wordpress site first page is 447kb HTTPS and 23 requests but takes 3 seconds to load (pingdom). That is rather poor right? Tried a second time ...
2
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3answers
98 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 ...
0
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1answer
51 views

Advantage of Using Azure CDN [closed]

We have a couple sites hosted on Azure's cloud, and we're using an external CDN for some content. Would there be any advantages in terms of performance if we were to use Azure's own CDN?
2
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1answer
70 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 ...
2
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1answer
106 views

Setup www as main domain on Cloudflare

I'm trying to setup Cloudflare so my www subdomain doesn't redirect to the http naked domain and do exactly the opposite: mydomain.com redirecting to www.mydomain.com Cloudflare automatically ...
3
votes
1answer
468 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 -> www.domain.mx/images/...
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1answer
43 views

Full Boostrap from CDN vs custom version from own server

The last few versions of Twitter Bootstap can be customized to include only the components you need. The full version, with all the components, can be served from a wide variety of public CDNs (...
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1answer
436 views

Does Server Location matter for SEO if you have a CDN?

I'm looking into specialised hosting for WP, one provider has three different server locations but none in the UK. However, they have over 30 CDN locations. My question is, if I decide to put my site ...
2
votes
1answer
387 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 ...
2
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3answers
975 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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2answers
553 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 ...