Câu hỏi phỏng vấn [Global] CDN
Câu hỏi

Name some advantages of using CDN for static JS files and assets?

Câu trả lời

Using a Content Delivery Network (CDN) for static JavaScript (JS) files and assets offers several advantages:

1. Improved Loading Speed

CDNs distribute content across multiple servers located in various geographic locations. When a user requests a static JS file, the CDN delivers it from the server closest to the user, reducing latency and improving loading times[2][4][5].

2. Reduced Server Load

By offloading the delivery of static assets to CDN servers, the load on the origin server is significantly reduced. This allows the origin server to handle dynamic content and other critical tasks more efficiently[4][5].

3. Enhanced Reliability and Availability

CDNs provide redundancy and failover mechanisms. If one server goes down, another can take over, ensuring that the static assets remain accessible. This is particularly important during high traffic volumes or server outages[2][4][5].

4. Better SEO Performance

Faster loading times and improved user experience can positively impact SEO rankings. Search engines like Google consider page speed as a ranking factor, and using a CDN can help achieve better performance metrics[5][7].

5. Scalability

CDNs are designed to handle large traffic spikes and bursts, making them ideal for websites that experience variable traffic patterns. This scalability ensures that the website remains responsive even during peak times[7][9].

6. Security Enhancements

Many CDNs offer additional security features such as DDoS protection, SSL/TLS encryption, and Web Application Firewalls (WAF). These features help protect the website from various cyber threats[9][10].

7. Cost Efficiency

By reducing the bandwidth usage on the origin server and distributing it across multiple CDN servers, overall hosting costs can be lowered. This is especially beneficial for webs...

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