What is Guest posting or content syndication?
It is mainly aiming at increasing the traffic of blogs, raising awareness, reaching a different customer base (or keeping in touch with each other).
Content syndication is to distribute articles to third-party (mostly multiple) sites.
In the contributed article, you can acquire the backlinks from the external site by embedding a link to the site where you want to raise the ranking in the text, or posting a link to the owning site in the signature column.
Guest contributions and content syndication are effective measures such as building engagements with new users by contributing to related media and boosting awareness of brands.
On the other hand, Link Building is still an important element, unchanged from the past.