MozJPEG reduces file sizes of JPEG images while retaining quality and compatibility with the vast majority of the world's deployed decoders.MozJPEG is based on libjpeg-turbo. It's compatible with libjpeg API and ABI, and can be used as a drop-in replacement for libjpeg. MozJPEG makes tradeoffs that are intended to benefit Web use cases and focuses solely on improving encoding, so it's best used as part of a Web encoding workflow.

Mozjpeg - Improved JPEG encoder

Webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset. 
<ul>
<li>Bundles <a href="http://www.2ality.com/2014/09/es6-modules-final.html" rel="nofollow">ES Modules</a>, <a href="http://wiki.commonjs.org/" rel="nofollow">CommonJS</a> and <a href="https://github.com/amdjs/amdjs-api/wiki/AMD">AMD</a> modules (even combined).</li>
<li>Can create a single bundle or multiple chunks that are asynchronously loaded at runtime (to reduce initial loading time).</li>
<li>Dependencies are resolved during compilation, reducing the runtime size.</li>
<li>Loaders can preprocess files while compiling, e.g. TypeScript to JavaScript, Handlebars strings to compiled functions, images to Base64, etc.</li>
<li>Highly modular plugin system to do whatever else your application requires.</li>
</ul>

Webpack is a module bundler. Its main purpose is to bundle JavaScript files for usage in a browser, yet it is also capable of transforming, bundling, or packaging just about any resource or asset. 

Webpack - A bundler for javascript and friends

SkyWalking is an APM (application performance monitor) system, especially designed for microservices, cloud native and container-based (Docker, Kubernetes, Mesos) architectures. SkyWalking is an open source APM system, including monitoring, tracing, diagnosing capabilities for distributed system in Cloud Native architecture. It supports to collect telemetry (metrics, traces, and logs) data from multiple sources and multiple formats.
<BR><BR>
Features:
<ul>
<li>Service, service instance, endpoint metrics analysis</li>
<li>Root cause analysis. Profile the code on the runtime</li>
<li>Service topology map analysis</li>
<li>Service, service instance and endpoint dependency analysis</li>
<li>Slow services and endpoints detected</li>
<li>Performance optimization</li>
<li>Distributed tracing and context propagation</li>
<li>Database access metrics. Detect slow database access statements(including SQL statements)</li>
<li>Alarm</li>
<li>Browser performance monitoring</li>
<li>Infrastructure(VM, network, disk etc.) monitoring</li>
<li>Collaboration across metrics, traces, and logs</li>
</ul>

SkyWalking is an APM (application performance monitor) system, especially designed for microservices, cloud native and container-based (Docker, Kubernetes, Mesos) architectures. SkyWalking is an open source APM system, including monitoring, tracing, diagnosing capabilities for distributed system in Cloud Native architecture. It supports to collect telemetry (metrics, traces, and logs) data from multiple sources and multiple formats.

Skywalking - APM, Application Performance Monitoring System

Perfume is a JavaScript library for measuring Short and Long Script, First Contentful Paint (FCP), Time to Interactive (TTI), Component First Paint (CFM), annotating them to the DevTools timeline and reporting the results to Google Analytics.When a user navigates to a web page, they're typically looking for visual feedback to reassure them that everything is going to work as expected. Page Speed is a feature, and to deliver it we need to understand the many factors and fundamental limitations that are at play. If we can measure it, we can improve it. 

Perfume.js - Web performance library for measuring all User-centric performance metrics 

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Mozjpeg - Improved JPEG encoder

Webpack - A bundler for javascript and friends

Skywalking - APM, Application Performance Monitoring System

Perfume.js - Web performance library for measuring all User-centric performance metrics

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Mozjpeg - Improved JPEG encoder

Webpack - A bundler for javascript and friends

Skywalking - APM, Application Performance Monitoring System

Perfume.js - Web performance library for measuring all User-centric performance metrics

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