Blog peeve
Note: I should say upfront that the following is not aimed at any of the journallers whose journals I read; it seems to be a phenomenon specific to a particular type of (otherwise nicely designed) weblog that I encounter now and then in passing.
The thing that bothers me most about many blogs is that the designers, presumably in an attempt to be subtle, turn off link-underlining, preferring to use a small color change to the text to indicate a link. Which would be totally fine if it weren't for the fact that the chosen link color is often indistinguishable from the color of the text, to someone like me who's partly red/green colorblind.
I know, I know. Whine whine why doesn't the world arrange itself for my convenience? But I feel a little justified here by the fact that something like 1 in 20 Americans have some sort of color vision problems, with that figure much higher (something like 1 in 12) for men. (Yes, there are colorblind women, just not as many.) In many cases, just increasing contrast between colors helps tremendously.
I was shocked to discover, sometime around fall of 2000, that there are Web pages out there that I thought were blank, but that actually just have low contrast between text and page background. That comes up less often these days, as the excesses of the early days of the Web fade into more staid and sober color schemes, but it still comes up now and then. Dreamweaver contributed to the problem, alas, by shipping a set of "standard" color schemes (chosen by professional print designers) of which a great many were completely unreadable by even mildly colorblind people.
My point: you probably know someone who's colorblind. (Like, say, me.) If you've turned off link underlining and you're not sure your link color contrasts enough with your text color, ask someone.