If you are using vuejs-templates/webpack, the production build (npm run build) of the JavaScript and CSS files come with a long hash length, such as app.19ae7b77127560ab8328.js.
To reduce the hash length to 6 characters, edit build/webpack.prod.conf.js in your project directory.
Observe changes marked with // EDIT: comment.
...const webpackConfig = merge(baseWebpackConfig, { ... output: { // EDIT: reduce js hash length to 6 characters hashDigestLength: 6, path: config.build.assetsRoot, filename: utils.assetsPath('js/[name].[chunkhash].js'), chunkFilename: utils.assetsPath('js/[id].[chunkhash].js') } ... plugins: [ ... // extract css into its own file new ExtractTextPlugin({ // EDIT: reduce css hash length to 6 characters filename: utils.assetsPath('css/[name].[contenthash:6].css'), // filename: utils.assetsPath('css/[name].[contenthash].css'), // set the following option to `true` if you want to extract CSS from // codesplit chunks into this main css file as well. // This will result in *all* of your app's CSS being loaded upfront. allChunks: false, }), ... ]}