- matchmedia: testing whether or not a media query applies with Javascript
- picturefill: switch image sizes / hidpi / retina (includes matchmedia?)
- Gulp or Grunt: build system / task runner
- NPM: node package manager
- composer: PHP package manager
- bower: JS package manager
- autoprefixer: add browser prefixes
- cssmin: minify and concatenate CSS
- imagemin: lossless image compression
- spritesmith: create sprites
- svgGui: optimize SVGs
- lean modernizer grunt: remove unused modernizer
- uncss: remove unused CSS
- critical or penthouse: Extract & Inline Critical-path CSS
- loadcss: load sitewide css after above the fold css
- uglify: minify & concatenate javascript
- requirejs?: async / onload js
- libsass: convert sass to css
- compass: do compass stuff
- livereload (or that new one, browsersync.io?): reload web page while building
#Testing
- pagespeed: best practices
- pingdom: speed and grade
- webpagetest: speed and grade
- Facebook debugger: social media sharing