What is a CDN (Content Delivery Networks)? or Have you ever heard about CDN?
CDN stands for Content Delivery Network or Content Distribution Network
Content Delivery Network (CDN) is a globally distributed system of data centers that use caching mechanism to serve your content efficiently.
Content Delivery Network will make your website or web application run faster than ever before. Your visitors can experience better page loading compared to your regular website.
Content replication processes in which Content Delivery Network cloned(Copied) or replicate your website’s content (such as scripts, styles, images) in several data centers.
Content Delivery Networks (CDN) data centers have a copy of your content in several global locations.
CDN delivers most of your static content from CDN data center rather than pulling it from your primary server.
Eventually, you will get significant improvement in website performance.
What is the advantage implementing Content Delivery networks on your website?
- Reduced Latency
- Performance Optimization
- High Scalability
- High Reliability
- Reduced bandwidth
- Improved SEO
Latency is the time delay between a request made to the website and response received from the website.
The time delay will be high if your website is hosted in united states and your user reside somewhere around China.
As long as you do not have CDN in place, you have to serve your customer with your primary server(Hosting server).
Your users can 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.
This 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, your visitors will be served with content from the nearest data centers.
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.
High traffic to your website may lead to poor website performance if you serve your content with a shared server hosting plan.
Due to shared infrastructure, your website may provide 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:
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