1-2 of about 2 matches for site:fetch.spec.whatwg.org fairly standard
https://fetch.spec.whatwg.org/#concept-fetch
Fetch Standard Fetch Living Standard — Last Updated 2 April 2024 Participate: GitHub whatwg/fetch ( new issue , open issues ) Chat on Matrix
https://fetch.spec.whatwg.org/#concept-fetch
Fetch Standard Fetch Living Standard — Last Updated 10 October 2025 Participate: GitHub whatwg/fetch ( new issue , open issues ) Chat on Matrix