The color on links is, fitting to the site design, red. As somone suffering from red–green color blindness, which isn't rarely (depending on origin up to 10%), it's hard for me to spot links on Askubuntu. Many of the better made (seemingly answering the question) spam posts, hiding a promotional link somewhere in the text are hard to detect for me.
The request would be to make links more prominent. I'm not asking to change the color but maybe we could display them e.g. cursive, fat or underlined.