Content Delivery Network (CDN) is a globally distributed system of data centers that are used to deliver your content across the globe efficiently.
for instance, your contents like scripts, styles, images, and videos can be delivered effectively using Content Delivery Networks.
Any website can be optimized by implementing content delivery networks to enhance the faster loading webpages.You can optimize your web application to run extremely faster and your visitors will experience faster loading web pages compared with your regular hosting plans.
You can considerably reduce the page loading time of your pages because most of the static resources like scripts, styles, and images can be stored across the global data centers and it can be delivered to the nearest user.
Behind the scene, your website contents (such as scripts, styles, images) are replicated globally to all CDN’s data centers. This content replication processes will make sure that your content will be placed in several data centers.
when ever a user requesting a web page in your website, Content Delivery Networks (CDN) serves the resource like the style, script, images from the nearest data center.
CDN delivers most of your static content from its data center rather than pulling all the content from your primary hosting server. This approach will considerably reduce the burden on the primary server and most of your static content will be delivered from visitor’s nearest data center. hence you can expect a significant performance improvement in the website.
What could be the advantage of implementing Content Delivery networks on your website? here are some of the benefits
- Reduced Latency
- Performance Optimization
- High Scalability
- High Reliability
- Reduced bandwidth
- Improved SEO
Latency is the time delay between a request/response made by your visitor on your website. usually, this time delay will be high if your website is hosted on a primary server (for example – united states) and your user resides somewhere around China.
Your web pages will load lazily if you do not implement content delivery network because your primary server can able deliver content slowly due to the distance between the server and the user.
Your visitors may expect huge time delay while accessing your website. Suppose if you implement Content Delivery Network to your website, your content will be replicated in several data centers. So whenever your visitors request for the page will be served from the nearest server.
CDN implementation will reduce the time delay and improve the performance of your website.
As long as your content is copied to several data centers across the globe using CDN, your visitors will be served with content from the nearest data centers rather than pulling content from the primary server.
For example, static resources like scripts, styles, images, and videos can be copied and served from various CDN cache servers instead of serving from the primary server.
One out of every two users is expecting a fast loading website, that is nearly half of the population is expecting a fast loading website.
Nobody is happy to wait to see the websites. so it is wise to have a really fast loading websites.
If your website is getting a huge increase in traffic day by day and your visitors experience the delay (longer time to load) to load your pages, then you can easily handle the situation with CDN. Your website may not able to deliver all the request faster if in case your website is hosted on a shared server, due to the shared infrastructure limitation, your website may deliver a poor performance.
On the other hand, By using Content Delivery Network you can significantly reduce a load of your primary server since most of the content will be served from CDN data centers.
Your content has been copied to several data centers across the globe, even if one of the data center fails to serve, load balancing mechanism will find the alternate data center to serve your visitors.
You can expect 99.999% uptime of your website content.
When CDN in place most of your content has been served from the CDN data centers rather than downloading all the content from the primary server.
This will definitely reduce the amount data download from the primary hosting server.
A static resource like scripts, styles, images are delivered from the CDN data centers and all the other content will be pulled from the primary server.
So CDN will greatly reduce the bandwidth usage and it will improve the website performance.
Google uses “page loading time” as one of its criteria to display your website in google results. The better the page loading time and better the search results listing.
Any search engines (Google/Bing/Yahoo) want to serve their customer with the quality results. So if you have a really slow website which fails to load content effectively.
Search engines will not provide a better ranking, this will affect your search engine visibility.
Yes, Even this one of the criteria for the search engine. It is absolutely advisable to delight your users with the blazing fast website.
Content Delivery Network – What you will get?
- Better user experience
- Better Ranking
- Reduced cost due to Reduced bandwidth
- 99.999% web site uptime.
Tools – Page load analysis:
Related Terms – Content Delivery Network:
- PoP(Point of Presence)
- Cache Server
- Load balancer
- Http/2, Http Protocol
- Push and Pull techniques
Suggestion to optimize your website performance:
- Shared server hosting with CDN – Option 1
- Go for Premium WordPress hosting plans – Option 2
- Enable GZIP Compression
- Minify/Clean HTML
- Reduce Server response time
- Optimize images