Meanwhile, my entry in the Header Editor extension: accept image_imgur Match type: Domain Match rules: i.imgur.com Execute type: normal Header name: accept

Meanwhile, my entry in the Header Editor extension: accept image_imgur Match type: Domain Match rules: i.imgur.com Execute type: normal Header name: accept Header value: image/avif,image/jxl,image/webp,/;q=0.8 I have a very similar one for i.reddit.com Together with Redirector, those might be the two most undervalued extensions I'm using.