As recruiters search on LinkedIn for candidates to fill open roles, the profiles with the most relevant keywords will show up at the top of the recruiter's list.
Your LinkedIn profile is special and is ranked in recruiter searches based on keyword density, among other things. As recruiters search on LinkedIn for candidates to fill open roles, the profiles with the most relevant keywords will show up at the top of the recruiter's list. Now, you don't want to overdo it with the keywords, as that could be seen as keyword stuffing. But you do want to make sure you're using industry and job-specific keywords in a way that makes sense.