Firstly, Thank you so much for sharing this useful link, really I am as an author do not need such writing (test) but many journals and conferences committees are asking to attach a similarity report and at the same time I am upvoting doing plagiarism check.
Dear Saad Motahhir, thanks a lot for sharing this link....it would be useful for all researchers / scientists who is writing an article for submission to journals...have a great day!