I just switched from using a blocking link tag to loadCSS today which indeed loads it asynchronously. I&#x27;d say 1&#x2F;5 times I am not seeing FOUT.<p>However I&#x27;m not seeing FOUT on Safari for Mac and iOS and Firefox for Mac at the moment.<p>*edit: I definitely understand that you&#x27;re right Paul. If the website loads slow, FOUT is expected. However, I&#x27;m seeing it more than what I expected to with loadCSS combined with this bug report I found. So I&#x27;m kind of leaning toward the idea that it is a bug in Chrome 50. If not, I&#x27;m wrong and it&#x27;s only my loadCSS causing it.