When I run "Lighthouse" in my angular app it show me that I have to enable a text compress . I cannot modify server configure so I follow this tutorial: how to enable gzip compression in angular cli for production build I Installed dependencies first and after and I put the file gulpfile.js in the same directory as package.json: var gulp = require('gulp'); var gzip = require('gulp-gzip'); gulp.task('compress', function () { return gulp.src(['./dist/**/*.*']) .pipe(gzip()) .pipe(gulp.dest('./dist')); }); I modify my package.json in: "scripts": { "ng": "ng", "start": "ng serve", "build": "ng build", "postbuild": "gulp compress", "watch": "ng build --watch --configuration development", "test": "ng test" }, but when I run the ng build --watch --base-href /Strudent/ when I run Lighthouse I show me the same problem. Can anyone help me? Continue reading...