Prepare compressed versions of assets to serve them with Content-Encoding

npm install compression-webpack-plugin
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compression plugin for webpack


var CompressionPlugin = require("compression-webpack-plugin");
module.exports = {
    plugins: [
        new CompressionPlugin({
            asset: "{file}.gz",
            algorithm: "gzip",
            regExp: /\.js$|\.html$/,
            threshold: 10240,
            minRatio: 0.8


  • asset: The target asset name. {file} is replaced with the original asset. Defaults to "{file}.gz".
  • algorithm: Can be a function(buf, callback) or a string. For a string the algorithm is tacken from zlib. Defaults to "gzip".
  • regExp: All assets matching this RegExp are processed. Defaults to every asset.
  • threshold: Only assets bigger than this size are processed. In bytes. Defaults to 0.
  • minRatio: Only assets that compress better that this ratio are processed. Defaults to 0.8.



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