Images can be extracted and batch downloaded from most websites. Especially for websites the right click fails or image can not save. Extra features: zip download / auto-enlarge image. See the script description at info page (suitable for chrome/firefox+tampermonkey)
https://wallhaven.cc/search?q=id%3A45821&sorting=random&ref=fp&seed=KRJjaw&page=3
这种图库网站就不行，只能捕获到预览图，不支持自动滚动被提取页