Wix Engineering Blog

Wix engineering blog tells the story of our daily challenges and our way of solving them. Read about architecture, scaling, mobile and web development.

Jul 13, 2016
6 min

Taking CSS To Scale: A Pragmatic Approach

Wix’s WYSIWYG website builder supports tens of millions of users creating websites, which are accessed by hundreds of million users globally. It’s a large scale project with roughly 60 engineers collaborate on a codebase which exceeds 1.5M lines of code. Although most of these lines of code are written in JavaScript, ~130,000 lines are actually SCSS styling code that’s distributed over 1600 files. On the product aspect, the UX is complex and contains hundreds of composable bu

Jan 22, 2016
3 min

Architecture

Scaling Wix to over 100M Users: The Beginning

When I prepared the first presentation to tell the Wix scaling story, we had just over 10,000,000 (10M) registered Wix users. By the time I presented, we had over 12M. Now, we have over 60M users and 3 versions of the presentation (10M, 30M, and 50M). As we started Wix in 2006 it was not apparent what exact realization of building Flash websites worked or what it really meant to make a WYSIWYG website builder. We were focused on building two Flash applications: one that edits