I've been browsing blogs. Not just any blogs, but popular blogs. I called up the blogrolling top 100 and looked at the top 50. Now as far as I could tell these are sites that blogrolling's users, mostly bloggers themselves, have added to their links. Examining these sites should tell me what other bloggers believe makes a useful blog.
What did I see
The majority of sites I visited had a better layout and design than the default template I have here, but some were far worse; so pretty is good, but ultimately it's content not pretties.
Most sites were well written. One or two were scarcely literate, so there's hope for me yet.
Many sites have a strong theme, but some are personal. Themes are good, if you have a single strong, central subject you want to write regularly on. This is a personal site based around my idiosyncratic tastes, so a single leitmotiv is unlikely.
A lot of them commented on the world news of the moment.
Article length varied vastly. Some had essays, some were one or two paragraphs.
There seem to many definitions of what makes a good blog. I think I'll look for a visual improvement by switching to a more appealing template. Other than that I shall continue to write about what I want, approximately as often as I fee like it.