Streaming server-side rendering (SSR) is a particularly painful case. A typical SSR stream might render thousands of small HTML fragments, each passing through the streams machinery:
What is this page?
，详情可参考搜狗输入法2026
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
三位曾對總統不利裁決的大法官坐在前排，表情毫無變化地觀看。
Another testsuite that I’ve used a lot is the much older SVG 1.1 testsuite, which covers SVG animation. GtkSvg passes most of these tests as well, which I am happy about — animation was one of my motivations when going into this work.