Gallery question

[tanyiadeskins]

I used to upload layouts and they were crystal clear and gorgeous and I have noticed they look rather fuzzy now comparatively. I am thinking there is something I used to do when CTing that I forgot about that makes them better. Can anyone remind me? Here is what I do now: in PS CC after finishing a layout I resize it down to 750x750 and then I do an opacity layer of high pass filter to sharpen it then export and save for web.

Am I doing something wrong, forgetting something, etc?