Content Delivery Network

Best free CDN to speed up your Website

Punit Makwana Performance Leave a Comment

Every website owner wants to have faster loading web pages and lighting fast content load for better user experience as well as for better positioning in Google search results ever since Google incorporated site speed as criteria for search rankings. As a matter of fact 80-90% of the end-user response time is spent downloading all the static components in web pages such as – images, CSS files, scripts etc. and one can cut this time effectively to cut waiting time of end-users.

For solution of this, CDN come in to the picture as they serve these static content to end-users with high availability and high performance as these CDN is actually a large distributed system of servers deployed in multiple data centers over the Internet

However, when it comes to those website owners, bloggers who can’t afford to have CDN services, well than, not all CDN services come with price tag. There are some CDN’s which requires only 5 minutes of your configuration setup and you are done with optimizing your website by reducing considerable amount of webpage loading time. Here are few CDN services which are free to be used without any cost of even a single penny.


For those of you who own a self hosted WordPress site, CloudFlare needs no introduction. With 23 data centers spread across the globe, CloudFlare’s free CDN and DNS service supercharges and protects over hundreds of thousands of websites. To top it all of, its up-to-date WordPress plugin makes integrating its services in your site, a breeze.

Get Cloudflare Now



Incapsula provides Application Delivery from the cloud: Global CDN, Website Security, DDoS Protection, Load Balancing & Failover. It takes 5 minutes to activate the service, and they have a great free plan and a WordPress plugin to get correct IP Address information for comments posted to your site.


In a nutshell, this is what Incapsula and CloudFlare does:

  • Routes your entire website’s traffic through their globally distributed network of high end servers (This is achieved by a small DNS change)
  • Real-time threat analysis of incoming traffic and blocking the latest web threats including multi-Gigabit DDoS attacks
  • Outgoing traffic is accelerated through their globally powered content delivery network
Get Incapsula Now


Photon by Jetpack

To all WordPress users – Jetpack needs no introduction. In their recent improvement of awesomeness, they’ve included a free CDN service (called Photon) that serves your site’s images through their globally powered grid. To get this service activated, all you have to do is download and install Jetpack and activate its Photon module.

Get Photon Now



SwarmCDN is a relatively new peer-to-peer based content delivery network that offers 100 GB of bandwidth in their free plan. Commercially, they are a pay-as-you-go CDN which is good for websites with medium traffic

Get SwarmCDN Now



Nearly every WordPress theme uses some JavaScript code snippet or other. In order for that script to work, a .js file has to be downloaded first. jsDelivr is a free public CDN that those JavaScript libraries and other files associated with it. With 91 POP locations spread across the globe, its free WordPress plugin is a must have for every self-hosted WordPress site.

Get JsDelivr Now

Google App Engine


In simple terms, App Engine is the Google equivalent of Amazon S3 + EC2. It is used for running web based applications, hosting websites and data storage. Thankfully Google generously includes 500 MB of storage, 10 hosted projects and upto 5,000,000 pageviews per month in their free plan. Setting up Google App engine requires sound technical knowledge of Python and web based application development.

Get Google App Engine Now

Some More into this list

Google Hosted Libraries

Google Hosted Libraries is a content distribution network (CDN) for the most popular, open-source JavaScript libraries such as – Mootools, Prototype, Dojo and especially heaviest one JQuery.

To add a library to your site, simply use <script> tags to include the library, such as to load jQuery, one has put the script tag snippet in your web page with file URL that of Google CDN, see examples you will than share bandwidth with Google CDN which in turn saves some amount of server’s bandwidth along with parallel download advantage.

Microsoft Ajax CDN

The Microsoft Ajax Content Delivery Network (CDN) hosts popular third-party JavaScript libraries such as jQuery and enables you to easily add them to your Web applications. Using this CDN hosted libraries is similar to that of Google using script tag. The contents of the CDN are cached on servers located around the world. In addition, the CDN enables browsers to reuse cached third party JavaScript files for web sites that are located in different domains.

Microsoft Ajax CDN also ASP.NET Ajax and ASP.NET MVC JavaScript Files, which make very useful or .NET based web apps.


Unlike to other hosted libraries that of Google or Microsoft, they only host the most popular libraries whereas CDNJS host the other stuff too with over 145 libraries wich is almost 15 times of  libraries hosted at Google. CDNJS is CloudFlare powered hosted libraries CDN infrastructre.


Cloudinary is basically image and videos hosting cdn, similar to swarmcdn. With lifetime free plan of cloudinary, you can host a total number of 75,000 images and videos, 7500 Monthly Transformations, 2 GB Storage and 5 GB Monthly viewing bandwidth

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Punit Makwana is the founder of VScripts and a passionate blogger. When he’s not writing and brainstorming content ideas, this Mumbai native spends his time reading books, hanging out with his friends and watching movies

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