• Never give away your personal information into the blogging sites,since your information may be misused.
• Put reliable information as it reaches entire world and assume what you publish on the web is permanent.
• Avoid competition with other bloggers.
• State the terms of use, copy right in blog properly to viewers to protect your blogs.
• Post the content that is useful to others.
• Avoid using bad or rude language while posting content  into blogs.