According to Winers canonical encoding for blog posts:
1. Title and Text (I) - The content of the post.
2. Tags/Categories (II) - Classifications for the post.
3. Author (III) - The person who wrote the post.
4. Time of Publication (IV) - The timestamp when the post was published.
5. URL (V) - The web address of the blog post.
Thus, the correct order of encoding is I, II, III, IV, V, which corresponds to Option (2).