CDN Service Providers
CDN (content delivery network) is a network of servers located all over the world linked together to deliver content as quickly as possible. To minimize the distance between the visitors and your website’s server, a CDN stores a cached version of its content on all of these servers. You can find more details about CDN’s pros and cons below. In this...
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On the market
28 yearsFounded in 1998
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On the market
14 yearsFounded in 2012FAQ
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❓ Why do people use CDN?People use CDN, or content delivery network, for a variety of reasons, including:
1. Improved Website Performance: By distributing content across multiple servers, CDNs can reduce the amount of time it takes for content to load on a website. This can improve website performance, user experience, and overall site speed.
2. Global Availability: CDNs have servers located in various geographic locations around the world, which makes it possible to distribute content to users in any location, regardless of their distance from the server.
3. Scalability: As website traffic increases, CDNs can help to manage the load by distributing content to multiple servers, ensuring that the website remains available and responsive to users.
4. Reducing Server Load: By using a CDN, a website can reduce the load on its own servers by offloading the delivery of content to the CDN's servers.
5. Security: CDNs can provide additional security measures such as SSL certificates, DDoS protection, and firewalls, to protect websites and content from malicious attacks.
Overall, using a CDN can help improve website performance, availability, scalability, and security.?
💻 Is CDN the same as cloud hosting?No, CDN (Content Delivery Network) and cloud are not the same thing, although they are often used together.
A CDN is a network of servers located in different parts of the world that work together to deliver content (such as images, videos, or web pages) to users. The goal of a CDN is to improve the performance and reliability of content delivery, by caching content closer to users and reducing the distance that data needs to travel. CDNs are often used to speed up the delivery of web content to users, by serving content from the server that is physically closest to the user.
On the other hand, cloud computing refers to the use of remote servers (often owned by a third-party provider) to store, manage, and process data over the internet. Cloud computing enables users to access powerful computing resources, such as servers, storage, databases, and software applications, without having to invest in and maintain their own hardware and infrastructure.
While a CDN is a specific technology used for content delivery, cloud computing is a broader concept that encompasses many different services and technologies. That being said, CDNs are often hosted on cloud infrastructure, and many cloud providers offer CDN services as part of their overall offering.
Market analysis (Price)
| Minimum | Average value | Maximum | |
|---|---|---|---|
| Hosting | undefined NaN /year | undefined NaN /year | undefined NaN /year |
| VPS/VDS | undefined NaN /year | undefined NaN /year | undefined NaN /year |
| Server | undefined NaN /year | undefined NaN /year | undefined NaN /year |
Market analysis (Disk Space)
| Minimum | Average value | Maximum | |
|---|---|---|---|
| Hosting | 0.30 Gb | 77.19 Gb | 350.00 Gb |
| VPS/VDS | 10.00 Gb | 114.17 Gb | 400.00 Gb |
| Server | 50.00 Gb | 2102.43 Gb | 8000.00 Gb |
Market analysis (CPU Cores)
| Minimum | Average value | Maximum | |
|---|---|---|---|
| VPS/VDS | 1.00 pcs | 2.44 pcs | 6.00 pcs |
| Server | 2.00 pcs | 10.00 pcs | 32.00 pcs |
Market analysis (Memory (RAM))
| Minimum | Average value | Maximum | |
|---|---|---|---|
| VPS/VDS | 1.00 Gb | 5.67 Gb | 16.00 Gb |
| Server | 4.00 Gb | 70.67 Gb | 256.00 Gb |
How does CDN work?
- First, you need to change the domain nameservers (they will be provided by the CDN service provider).
- Then you have to enter the required host records (A, MX, CNAME etc) to point the domain to your hosting. You can just copy them from your hosting provider’s control panel.
- All of your files will be hosted on the same server they were hosted before.
- A cached version of your website’s content is uploaded to multiple servers worldwide.
- When a user visits the site, the system finds the nearest server to him and loads the site promptly.
CDN can significantly speed up your website. 
CDN service providers can also include anti-DDoS protection or a firewall (depending on the company) to their packages.
CDN Pros
Website speed up
As cached copies of the site are stored on various servers in different countries, the ping time reduces significantly. For instance, a user from Australia doesn't have to wait 1-2 seconds until the site hosted on US servers opens. Also, web pages load promptly because static content (for example, styles, pictures) was cached previously.
Anti-DDoS protection
Usually, CDN service providers offer anti-DDoS protection. CDNs are built to analyse and absorb unusual traffic spikes. In case of a sudden traffic increase, special PoPs (points-of-presence) consume the DDoS traffic.
Fault-tolerance
If the home server of your site stops working, your website will still be partially available. The visitors will see the cached version of your site that is loaded from the nearest server.
CDN Cons
Propagation
If you update your website content, it may take several hours for the changes to take effect (about 1-4 hours). The caching time can be edited on the side of the CDN service
Dynamic content is not cached
The dynamic content (for example, when a user opts out certain goods using website filters) is not cached. It will be retrieved from the origin server. Only the static website content is cached.
IP ban
Certain sites can be banned in some countries. In case a banned site and your site share the same IP address (of a CDN server), your site will be banned too. To resolve this issue, you need to either purchase a dedicated IP address or contact the CDN service provider’s support.
