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Web performance optimization (WPO), or website optimization is the field of knowledge about increasing web performance. Faster website download speeds have been shown to increase visitor retention and loyalty [ 1 ] [ 2 ] and user satisfaction, especially for users with slow internet connections and those on mobile devices . [ 3 ]
The goals of minification are not the same as the goals of obfuscation; the former is often intended to be reversed using a pretty-printer [citation needed] or unminifier. However, to achieve its goals, minification sometimes uses techniques also used by obfuscation; for example, shortening variable names and refactoring the source code.
Dynamic Site Acceleration (DSA) is a group of technologies which make the delivery of dynamic websites more efficient. [1] Manufacturers of application delivery controllers and content delivery networks (CDNs) use a host of techniques to accelerate dynamic sites, including:
Google Optimize, formerly Google Website Optimizer, was a freemium web analytics and testing tool by Google. [1] It allowed running some experiments that are aimed to help online marketers and webmasters to increase visitor conversion rates and overall visitor satisfaction.
gulp is an open-source JavaScript toolkit, used as a streaming build system (similar to a more package-focused Make) in front-end web development. It is a task runner built on Node.js and npm , used for automation of time-consuming and repetitive tasks involved in web development like minification , concatenation, cache busting, unit testing ...
Optimization comes at a price and it is important to be sure that the investment is worthwhile. An automatic optimizer (or optimizing compiler, a program that performs code optimization) may itself have to be optimized, either to further improve the efficiency of its target programs or else speed up its own operation. A compilation performed ...
Loop nest optimization increases the number of cache hits by operating over small blocks and by using a loop interchange. Loop reversal Loop reversal reverses the order in which values are assigned to the index variable. This is a subtle optimization that can help eliminate dependencies and thus enable other optimizations. Furthermore, on some ...
Adaptive optimization is a technique in computer science that performs dynamic recompilation of portions of a program based on the current execution profile. With a simple implementation, an adaptive optimizer may simply make a trade-off between just-in-time compilation and interpreting instructions .