Per SiteImprove’s Performance:
Establish a pre-connection to the server About this issue:
<link rel="preconnect"> to tell the browser to initiate a connection to the server so that any DNS lookups, redirects, and other pre-connection activities are done in advance. This means users spend less time waiting for the page to load.
I was wondering if Percussion will implement this in the next update? If not, I can add it myself. I wanted to make sure. Thanks.
We currently have a feature checked in that uses loadCSS to preload and asynchronously load CSS. We haven’t added preconnect.
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[![NPM version](http://img.shields.io/npm/v/fg-loadcss.svg)](https://www.npmjs.org/package/fg-loadcss) [![dependencies Status](https://david-dm.org/filamentgroup/loadCSS/status.svg)](https://david-dm.org/filamentgroup/loadCSS) [![devDependencies Status](https://david-dm.org/filamentgroup/loadCSS/dev-status.svg)](https://david-dm.org/filamentgroup/loadCSS?type=dev)
A function for loading CSS asynchronously
[c]2017 @scottjehl, @zachleat [Filament Group, Inc.](https://www.filamentgroup.com/)
## Why loadCSS?
* Latest release: https://github.com/filamentgroup/loadCSS/releases
* NPM: https://www.npmjs.com/package/fg-loadcss
## Install via npm
`npm install fg-loadcss --save`
## How To Use loadCSS (Recommended example)
This still needs to clear QA and customer testing.
If you take a look at the browser compatibility for the preconnect attribute (and preload), it is not 100%:
You can definitely add this to your own templates now and those browsers that can take advantage can use it.