Weblog (noun)

1. A website that contains a chronological collection of personal thoughts, observations, or commentary.
2. An online journal.
3. A website that contains a log of entries in reverse chronological order.

Origin:

Recent coinage, from web + log, coined by jorn barger in 1997.

Examples:

1. She started a weblog as a way to document her travels.
2. I read his weblog every day to see what he's been up to.
3. The weblog was a great way to keep in touch with friends and family.
4. He maintains a weblog about his favorite hobby.
5. The weblog provided a platform for the author to voice her opinions.