If you are concerned about the ethical side, then do not worry, breathe evenly and sleep well: this will not be plagiarism. After all, with the traditional writing of an article, you would also collect material for the article (you would go to the library, work in the archive, take an interview, look for quotes from the greats for epigraphs, etc.)
On the Internet
essay writing website, you will do the same, only several times faster. Every substantial article or book written in the traditional way has a so-called Bibliography at the end. So don't worry.