Last night I was having a beer with a web developer who works for a SaaS company here in Atlanta. Naturally, we ended up talking about web performance and workflows. “How do make sure your homepage stays fast when you make design changes or add new tags?” “Well, we have a tool in our CMS that automatically optimizes images when someone uploads them. We automatically concatenate JavaScript in each build. And, we have a number of tools that check for things like broken JavaScript, problems with Ruby, or problems with our static site frame...

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