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Less Web Development Essentials by Bass Jobsen

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Server-side compiling

You have taken the first few steps towards Less development already. As explained earlier, client-side compiling has been used. However, client-side compiling with less.js shouldn't be used on real websites. This is because despite making your development easy and fast, compiling your Less files for every page request (or in fact, initial page load per user) will actually slow down your website.

For the production environment, it is required that you compile your files and serve the final CSS file to the browser. The term server side can be somewhat misleading. Server side in this context means a compiled CSS code is sent to the client's browser instead of Less code, which has to be compiled in the client's browser by less.js ...

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