The benefit of a profile backlink is that it can help increase the visibility of your website through search engine ranking and also act as a backlink [link-building] effort.
It can improve your social media presence and increase engagement on your pages.
It can also improve the visibility of your brand and help you build trust with potential customers.
Here's related information that you may find helpful - 29 Key Findings Data from the State of Link Building 2022 Report that might help to strengthen your SEO skills and marketing decisions.
P.S:
You are currently on the Digital Marketing Forum page; for more information on a variety of topics that may be helpful to you, please visit Blog Posts (button below) and also share any content post you love with your network.
[If you have any specific questions in mind, please drop a mail and I will answer through a post at the earliest possible time]. Check this forum frequently for fresh posts.