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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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: ...
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Is there a limit of emails/pictures per Gravatar account?

I'm building a site to connect patients to doctors. Each doctor will have a profile picture. I'm quite happy to manually maintain the profile pictures as there won't be that many doctors nor will they ...
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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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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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What is the best way to invalidate an entire Amazon CloudFront cache or recreate the entire 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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How to design different web application environments with respect to SEO and server load?

Let's say I have a nice and valuable domain (somedomain.com) and I would like to develop a web application for this domain. I will host this web application on the cloud which I use currently for ...