This blog..

.. is about optimisation that isn't evil.

Use different servers for different content

Most of the content of web pages can be grouped in two types: Static and dynamic content.

These content types have different requirements on the server software.
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Performance First Aid: Basics

If your web application suffers from severe slowdowns, these 5 steps will help you to understand the areas of improvement that can have a drastically effect. This is especially true with older applications that didn’t get “web performance” built in by design.
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