Loading the most important resources first is key to improving website performance. However, even when resources are correctly prioritized, servers don't always adhere to the request priorities provided by the browser.

Extended Validation certificates are expensive and degrade performance. Move to an OV certificate if you can!

In this post, I’ll discuss what I did at ALDO to measure the revenue impact of web performance without having to spend time making performance improvements.
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Back in October, rendering performance was something we had never focused on. Nobody was really talking about it, so there must be nothing there. It was only after we started measuring that we saw the potential.