In the Lighthouse or Google Page Speed Insights showing an issue with your website. preload key, request consider using to prioritize fetching resources that are currently requested alter in page load Preload
To solve this issue in WordPress and most supporting in Html sites in your <Head> section use related codes which are given below.
For woff use the below code
<link rel='preload' href="yourForntLink.woff" as="font" type="font/woff" crossorigin>
Add Your font link yourForntLink.woff or yourForntLink.woff2
For wof2 use the below code
<link rel='preload' href="yourForntLink.woff2" as="font" type="font/wof2" crossorigin>
With Using of wordpress you can easily add these codes at by clicking on wordpress Dashboard > Appearance> Theme Editor > Select Theme > header.php