Answer:
There are many differences.
Step-by-step explanation:
First of all, it is necessary to remember that the web gives us the opportunity to combine many different types of materials, such as videos, audios, and other links to files or other websites that might help the content in the online journal.
Another difference would be the length of the article; a journal in paper takes this parameter as one of the most important ones; in the web, you can write an article as long as necessary because the web doesn't limit this aspect.