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by kuschku 1977 days ago
How about an extremely slow to render zalgo text, switching between opacity 0 and 1 depending on visited?
1 comments

Nice idea. I just tried it - looks like alpha is ignored for colors specified in ::visited and the alpha of the non-visited color is always used.
well then, use white-on-white vs black-on-white, with subpixel rendering enabled and zalgo text this should still have a measurable performance impact