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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Self Hosting Video Solution - Options [on hold]

I am a webmaster for a public sector company in the UK within the education/work/learning field. Scenario is as follows: We require 100% penetration to schools for our video content. At present we ...
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26 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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2answers
46 views

Google crawl rate dropped after activating CloudFront

Previously we've been using Amazon CloudFront for our static content (js, css etc). But to be able to reduce load on our origin servers and to be able to give our international users a good user ...
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1answer
55 views

How to identify and control which CDN location serves my website?

I have configured Akamai CDN for my site. I need to know which CDN location is used when I load my site. Is it possible to specify the CDN location to use? Can we by-pass the Akamai CDN so that site ...
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2k views

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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1answer
40 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
19 views

Where and how should I host images for fast access and with least headache

I'm deploying my website on Heroku. I need to store around 5000 profile picture and each will be accessed around 100 times per week. All my traffic is coming from Europe, so I'd prefer them to be ...
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1answer
84 views

How do I find out where my server is?

I have this image hosted through Dropbox and it loads slowly. I need to determine if the location of the server is too far away from my main audience so I can determine if that is the cause of the ...
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3answers
111 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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46 views

Google PageSpeed: Generating critical css for css file served from CDN

We were trying to optimise the website using google pagespeed and now having some issue: We're using nginx_pagespeed module Trying to enable the prioritize_critical_css filter Since the CSS files ...
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18 views

Will a CDN improve my SEO results? [duplicate]

My website is hosted in the US and I was wondering if a CDN will help improve my SEO with search engines.
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1answer
42 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 ...
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1answer
126 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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3answers
91 views

Two different websites with same product images

I need some advice from more experienced webmasters. I have 2 websites (site A and site B). These websites are totally different, but they use same product images (around 1 GB of images). These ...
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1answer
37 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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1answer
29 views

How to cache on CloudFlare images that are served to client as JSON?

I am using a gallery on my website that gets list of images from a JSON sent by a php script. So, the javascript gallery calls PHP backend and it replies with complex JSON where images are specified ...
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2answers
81 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
24 views

SSL website with non-SSL images only content delivery network

I am serving my own CDN using subdomains for static images only, and want to use a SSL cert on the main website. For example; https://www.example.com would download images from ...
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58 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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1answer
98 views

CDN virtual subdomain causes duplicated content

I have created a subdomain and a CNAME record which points to the domain root. The subdomain www.static.example.com is actually a copy of the entire website www.example.com and it is supposed to act ...
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2answers
49 views

How do I pick a host with the fastest access to a third party API?

I'm developing an application that relies on an API that is very time-sensitive. Every millisecond advantage I have over my competitors the better. Is there a good way to determine the optimal ...
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3answers
217 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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1answer
68 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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14 views

Does hosting images on a CDN impact SEO? [duplicate]

I manage two sites (foo.com and bar.com) which share image assets. Currently the images are all on the foo.com domain which is a bit confusing if you open the image on bar.com and see a foo.com URL. ...
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11 views

How to combine GZip + CDN for faster page loads? [duplicate]

I made a Speed Test on my site via online tool. The tool recommended enabling compression to speed up the site. As far as I understand this requires some changes on server (already done by hosting ...
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1answer
1k 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 ...
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1answer
29 views

Images from remote source - is it possible or is it bad practice?

I'm building a management system for websites and I had an idea related to image galleries. I'm not sure it's a good approach. Since image space needed is related to how many images a user might ...
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28 views

What is the best way to make to invalidate or recreate an entire Amazon CloudFront distribution?

After asking this question, I have decided to recreate some CloudFront distributions, as so many files need to be invalidated. But instead of creating a new distribution, is it possible to just ...
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98 views

How to invalidate images on Amazon CloudFront after optimising them?

After checking on Google PageSpeed Insights, I have optimised the images on several websites using jpegoptim and optipng. Obviously a lot of the images are now smaller and they have new timestamps, ...
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2answers
100 views

Do browsers recognize the same files served by different subdomains?

I have my website assets stored on Amazon S3 and served by CloudFront, from a separate domain name, to act as a cookie-less domain (so website.com for the website and websitestatic.com for static ...
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3answers
702 views

Does CloudFlare cache videos, and would this wildcard Page Rule work for that?

I'm setting everything up in my website to use CloudFlare. This is my example: On videos.domain.com/Folder-A/Folder-B/ there are some HTML files that I would NOT like CloudFlare to cache. But inside ...
2
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1answer
312 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 ...
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56 views

Why do CDNs charge so much for private SSL? [closed]

I've been looking at various CDN services, and many of them seem to charge a pretty hefty fee compared to the free shared SSL offering. One in particular, CDN77, is offering private SSL for $700/year. ...
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484 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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1answer
571 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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2answers
855 views

How does a CDN like CloudFlare work?

What I understand so far: You keep your current web hosting, but you change the DNS servers for your site from the DNS servers of your current hosting to CloudFlare's DNS servers. CloudFlare serves ...
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1answer
243 views

What are the HTTP header identifiers for different OVH CDN cache locations?

When having a web hosting solution from OVH that includes their Content Delivery Network (CDN), and the OVH web hosting + OVH CDN are correctly configured, the HTTP headers of the served web site are ...
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4answers
127 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 ...
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223 views

Google indexing less images after switching to CDN

After switching to a CDN I noticed that my indexed images went down. I have close to 1000 images on the site with correct tags, alt tags and all of that. Right now we have about 1000 images with only ...
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17 views

Hosting of static content without server, only through CDN [duplicate]

My content is fully static, using only HTML, CSS, JS. It's only one page, which needs to load really fast from any country, and should be online for only 3 months. I already have the domain name. I ...
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1answer
280 views

Using CNAME to point a subdomain to a CDN, will that affect SEO of the subdomain?

I want to install a CDN service on a subdomain of my site. Since the service requires the subdomain to use CNAME (to point to their servers), will that affect the SEO of the subdomain? I know that ...
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1answer
158 views

Using a CDN for CMS software (multiple sites)

I'm currently researching ideas for the media management side of a CMS I'm writing. I was looking at having images served from a CDN which is fine on a single site, but I want all sites that run the ...
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2answers
1k views

Can I use imgur as a CDN?

I have an e-commerce site and I want to use imgur.com as a CDN for my product images by setting the image source of my image. I did not see anything in the ToS specifically about this. Can anyone ...
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1answer
216 views

Alternatives to google static maps [closed]

Goood Day Essentially I am getting hammered with costs for google static maps as I have a reasonably high traffic website and need to place a static map image on many of the web pages. Google want to ...
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1answer
205 views

Amazon Cloud Front - Changing the origin domain

Currently have a Cloudfront CDN with an Origin pointed to http://mysite.com. The CDN URL is something like jr27a8vopf32a.cloudfront.net. Currently there are a lot of external consumers of a file ...
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3answers
341 views

Podcast site - Serve audio files with CDN

I am managing a small podcast website hosted on a shared server. Currently there are only eight or nine episodes, each of which are about 50 MB, so bandwidth is not really an issue at the moment. ...
2
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1answer
211 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 ...
2
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2answers
399 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 ...
3
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1answer
159 views

CName for static images - will Google crawl?

I am planning to serve images on a CDN using a CNAME: images.mysite.com. I am doing this because CDNname.mysite.com makes ugly URL's and MAY be bad for SEO (debatable). Will Google crawl the ...
2
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1answer
456 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 ...