Explanation:

A blog is a website which enables individuals, groups or organisations to easily publish content on the Internet. It is a website that's like an online diary. Blog is website created for some specific purpose like providing information on a particular thing or sharing the thought of the writer. For webpages, these parts include images and videos, headlines, body content, navigation, and credits. Most webpages contain at least three of these elements, and many contain all five. Some webpages may have other areas as well, but these five are the most common.
Hence, option 2 is the correct answer.