Do your competitors rank at the top of Google for your target keywords? Then they likely have a solid backlink profile.
Links are perhaps the most crucial piece of the SEO puzzle—you’ll struggle to rank without them.
How do we know this? Because Google told us.
“I can tell you what they [the top ranking factors] are. It is content. And it’s links pointing to your site”
Andrey Lipattsev, Search Quality Senior Strategist, Google
SIDENOTE. Even without Google’s admission, this is probably the thing we’re most certain about in the SEO community. Links are the basis of Google’s PageRank algorithm, and SEOs have been seeing positive correlations between links and rankings since, well, forever.