As bloggers we tend to write as we speak. Sometimes, there is little attention paid to the usage of proper spelling or grammar. As a reader of many blogs, I find it hard to read blogs that are filled with typos and grammatical errors.
Another common problem is the misuse of words, like “there” and “their”. Here is a handy chart that explains the 12 most misused words.
Source for Infographic: Listmonde