Firefox adds support for preload attribute

This post was posted 1 year ago.

I don't always update older posts, some information may not be accurate today.

By David Carr
On 11th Jul 2017 05:02 PM

Development

Today Firefox announced support for preload will be added to today’s build of Firefox.

<link rel=preload> support will land in today's build https://t.co/Gk6nidJa2e
— Firefox Nightly (@FirefoxNightly) July 11, 2017

Using preload links to declaratively specify which resources the user agent must fetch early to improve page performance.

According to https://caniuse.com/#search=preload preload is supported in Chrome, Opera and Android browser (Firefox has yet to be added)

Early fetch of critical resources example:

<link rel="preload" href="/assets/font.woff2" as="font" type="font/woff2">
<link rel="preload" href="/style/other.css" as="style">
<link rel="preload" href="//example.com/resource" as="fetch" crossorigin>
<link rel="preload" href="https://fonts.example.com/font.woff2" as="font" crossorigin type="font/woff2">

By David Carr
On 11th Jul 2017 05:02 PM

David Carr

For the past 10 years, I’ve been developing applications for the web using mostly PHP. I do this for a living and love what I do as every day there is something new and exciting to learn.

In my spare time, the web development community is a big part of my life. Whether managing online programming groups and blogs or attending a conference, I find keeping involved helps me stay up to date. This is also my chance to give back to the community that helped me get started, a place I am proud to be part of.

Besides programming I love spending time with friends and family and can often be found together going out catching the latest movie, staying in playing games on the sofa or planning a trip to someplace I’ve never been before.

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