https://caniuse.com/mdn-html_elements_img_fetchpriority
HTML element: img: fetchpriority | Can I use... Support tables for HTML5, CSS3, etc
"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
can i use
https://bigcommerce.websiteadvantage.com.au/tag-rocket/articles/improving-image-loading-without-javascript/
Improving the Image Loading experience with preload, fetchpriority & CSS
Sep 14, 2025 - Testing ways to improve how the user experiences image loading while also addressing LCP. All without JavaScript.
the imageimprovingloadingexperiencepreload
https://bugzilla.mozilla.org/show_bug.cgi?id=1866282
1866282 - Intermittent /_mozilla/fetch/fetchpriority/fetchpriority.h2.htm | single tracking bug
RESOLVED (nobody) in Core - DOM: Networking. Last updated 2023-11-28.
intermittentmozillafetchhtmsingle