added by Derek Bytheway on Apr 18, 2016

Easily make your own performance budget helping keep your site fast!

codepen.io


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added by Derek Bytheway on Apr 18, 2016

Easily make a quick mockup of a website

jdittrich.github.io


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added by Bootply on Apr 29, 2016

Use, compare & test responsive frameworks. Find code snippets & examples. Codeply is a editor that lets you run and preview your HTML, CSS and JavaScript code from any modern Web-browser. Codeply is integrated with responsive frameworks like Bootstrap, Foundation, PureCSS and Skeleton.

codeply.com


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