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The best way to become familiar with these expressions is to experiment with printing various properties of the design presentationcontext, website, page and pageVersion objects (see the XperienCentral Javadoc).
JSP Guidelines
Because the JSP and XperienCentral API also connect to other XperienCentral modules, for example the caching mechanism, it is important to learn more about what you should and shouldn’t do while working with JSPs. If you neglect this the performance of your site may be significantly slower because the caching or personalization mechanisms cannot perform well with the JSPs.
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