Hi Theme Horse Support Team
The “Ensure text remains visible during webfont load” mean is
Number or English word will work,but Traditional Chinese is not.
So google PageSpeed Insights judge the font awesome cause the website speed down.
Because the Traditional Chinese Text not need to load font awesome,the type don’t work.
And it cost more response time.
This page is google dev doing
https://web.dev/font-display/?utm_source=lighthouse&utm_medium=unknown
But those support and solution didn’t work on my website.
My site is https://sunnyday.photo