what is article submission

does Article submission really helpful for my website\??
there is many workers on off-page seo who suggests me Article submission so is it worth to invest in it?

Article submission can be a mixed bag. It's about publishing articles on other websites or article directories to get backlinks. The key is relevance and quality. If you're submitting well-written, informative articles to reputable sites in your niche, it can boost your SEO and drive traffic.