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Help me to Analyse the Performance and get to the Root cause
05-14-2014, 01:39 PM
Post: #15
RE: Help me to Analyse the Performance and get to the Root cause
OK, I've been writing English natively now since I was about 5... so just on half a century. I've got the hang of it now.

I'll take just one of your statements:

"CDNs cannot improve performance of a site that isn't optimized, and if you do optimize it, you don't need a CDN."

Well, yes they can, and yes you do. By...

1. Delivering content from a local node. Less latency = faster delivery.
2. Delivering content from a fat pipe. Delivered at the available bandwidth of the client, not what percentage of the server's bandwidth is available for that particular client = faster delivery.
3. Reducing the load on the client's server frees up the server to deliver only the html framework of a dynamic page. Whilst the delivery of static content is not at all CPU intensive, it directly affects the available bandwidth to deliver it.

So yes, you do need a CDN to deliver graphically rich content. You've handed the job over to a supplier who specialises in it.
And yes, you do need a CDN to protect the available bandwidth on your server.

Maybe you're based in the USA, and don't see these things. It would explain your quoting Spiro Agnew at me. However, the OP - and myself - certainly aren't.

You are wrong. Maybe it's you who should learn to read. And learn a wee bit more about server tuning and content delivery to extend the scope and relevance of your advice.
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RE: Help me to Analyse the Performance and get to the Root cause - GreenGecko - 05-14-2014 01:39 PM

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