Looks maybe like the opposite, there's way too much smoothing. I don't mind pixel perfect fonts or even aliased text but these just look like an aggressive blur was applied to everything
If you're seeing it blurry, the problem is likely your browser scaling it. Try downloading the photo and viewing it in a viewer with a 1:1 pixel ratio, like MS Paint. Alternatively, if you're on Chrome, running this in the dev console might scale it back for you: