- minify css;
- autoprefixer;
- compiler for the scss/sass preprocessor;
- import of some files into others, which allows you to assemble html from modules;
- browsersync;
- source map to display in browser, from which scss piece of css is taken
- converting fonts from ttf to woff and woff2;
- image compression;
- jpg, png to webp;
In order to assemble the assembly into the final project it is worth prescribing 'gulp build'