uMatrix 的评价
uMatrix 作者： Raymond Hill
Firefox 用户 18906336 的评价
评分 5 / 5
来自 Firefox 用户 18906336， 1 年前Very good. All I needed was a place holder for dark mode. In settings, under More.
placeholderBackground url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAAAAACoWZBhAAAAJElEQVQI12PUYWZgYGD4y8DAwMLMxAAFcAYRTJa/DDATCKoFANCbA0M7UjZFAAAAAElFTkSuQmCC") repeat scroll #fff
placeholderBackground url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAAAAACoWZBhAAAAJElEQVQI12PUYWZgYGD4y8DAwMLMxAAFcAYRTJa/DDATCKoFANCbA0M7UjZFAAAAAElFTkSuQmCC") repeat scroll #fff