Google independent website first friend chain, or content first?

As a novice of Google's independent station, I want to know whether content optimization is important in the early stage, or is it eager to find a friend chain? Overseas Friendship Chains are not as easy to find as domestic ones. How to do a good job in traffic seo?

For the new site, trust is more important so make sure the content is unique and optimized for search intent. Traffic, try guests from related sites and social media and don't spam with low-quality links.