[pauly]

yeah this is not new was a recommendation from https://developers.google.com/speed/pagespeed/insights/ which I thought was now depracated, so must have been around for a while. I think it's a recommendation of http://yellowlab.tools/ too which is great.

[jdmarantz]

PageSpeed Insights (the analysis tool) is not deprecated. The optimization modules, mod_pagespeed and ngx_pagespeed, are also not deprecated.

What's deprecated is the hosted version of the optimization modules: PageSpeed Service: https://developers.google.com/speed/pagespeed/service/Deprec...