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Web Performance4 min read16 February 2023

CDN for Indian websites: do you need one?

A CDN can dramatically improve load times for Indian visitors, but not every website needs one. Here is how to decide if a CDN is right for your site.

CDN for Indian websites: do you need one?

CDN stands for Content Delivery Network. The idea is simple: instead of serving your website files from a single server in one location, a CDN stores copies of your files on servers around the world. When a user visits your site, they get files from the nearest server rather than the origin. For Indian websites, where visitors might be spread across Delhi, Mumbai, Bengaluru, Hyderabad, and smaller cities, this can make a real difference.

How a CDN works for Indian visitors

Imagine your website is hosted on a server in Bengaluru. A visitor from Delhi has to send a request all the way to Bengaluru and wait for the response. The round-trip distance adds latency. For a website with many assets (images, CSS, JavaScript files), this adds up.

A CDN with nodes in Delhi, Mumbai, Bengaluru, Chennai, and Hyderabad means each visitor gets files from the nearest node. The origin server in Bengaluru only needs to serve dynamic content that cannot be cached. Static assets (images, scripts, stylesheets) come from the nearby CDN node.

In practice, a CDN typically reduces load time for Indian visitors by 0.5 to 2 seconds, depending on how many cacheable assets your site has and where your visitors are located.

Who actually needs a CDN in India

Not every website benefits equally. If your website is hosted on a good server in India (not shared hosting) and your visitors are mostly in the same city, a CDN adds minimal value.

You clearly need a CDN if: your website has visitors from multiple Indian cities and internationally, your website is media-heavy with many large images or videos, your current hosting is slow (TTFB above 500ms), or you are running ads to a national audience and need consistent performance everywhere.

You probably do not urgently need a CDN if: your business is purely local (say, a restaurant in one city), your website is already fast on a good server, and your PageSpeed Insights score is already above 80 on mobile.

CDN options for Indian websites

Cloudflare is the most widely used CDN and the easiest to set up. The free plan is genuinely good. You change your domain's nameservers to Cloudflare, and they sit in front of your server, caching static assets and providing basic DDoS protection. They have nodes in Mumbai, Delhi, Chennai, Hyderabad, and Kolkata.

BunnyCDN is a straightforward paid CDN with simple pricing (around ₹0.60 per GB of data transfer). It integrates easily with WordPress via the BunnyCDN plugin. Good for websites that do not want to move their DNS to Cloudflare.

Amazon CloudFront is more complex to set up but integrates well with other AWS services. If you are already on AWS, CloudFront is worth evaluating. Pricing is usage-based and costs around ₹0.60 to ₹1.50 per GB depending on the region.

KeyCDN and StackPath are other options. Both have reasonable pricing and Indian presence, but they are less commonly used in the Indian market.

Common mistakes when setting up a CDN

The biggest mistake is setting a CDN cache TTL (time to live) too low. If your cache expires every 5 minutes, you are not getting much benefit. Most static assets (images, CSS, JavaScript) can be cached for 30 days or longer. Set your cache rules appropriately.

Another mistake is not purging the cache when you update content. If you publish a new blog post and the CDN is caching your homepage, visitors might see the old version for hours. Know how to purge your CDN cache from your dashboard or via your CMS plugin.

Finally, some CDNs can interfere with dynamic content like personalised pages, login sessions, or e-commerce cart data. Make sure your CDN is configured to bypass cache for authenticated users and dynamic pages.

Frequently asked questions

Will a CDN improve my Google Core Web Vitals scores?

Yes, primarily for TTFB (Time to First Byte) and LCP (Largest Contentful Paint). A CDN reduces the time to get static assets, which directly improves these metrics for visitors who are geographically distant from your server.

Is Cloudflare free plan enough for an Indian SMB website?

For most small business websites, yes. Cloudflare's free plan provides CDN caching, basic DDoS protection, and SSL. You only need a paid plan if you need advanced features like custom cache rules, image optimisation (Polish), or priority support.

My website is already on Indian hosting. Should I still use a CDN?

If your hosting is in India and your visitors are primarily Indian, the CDN benefit is smaller. But Cloudflare's free plan is low-risk and easy to set up, so it is worth using even for locally hosted websites. The DDoS protection alone is valuable.

Published 16 February 2023
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