This is the regualar variant of Graublau Web as it is meant to be seen.

This is the bolded variant of Graublau Web as it is meant to be seen.

This is the regular variant of Graublau Web. It is "faux-bolded" with varying degrees of ugliness in the browser eco-system.

For some browsers, if you declare a font using @font-face without a weight that is already bolded and bold it again, this looks really thick.