Backlinko's Google ranking factors study is Brian Dean's comprehensive analysis of what actually correlates with higher Google rankings across millions of websites. Rather than speculation, it's based on empirical data examining real search results, making it one of the most cited resources in the SEO industry. The research doesn't claim to reveal Google's exact algorithm, but it identifies patterns in websites that rank well versus those that don't. HTTPS appears in this research as a confirmed ranking signal, though a relatively minor one compared to factors like backlinks and content relevance. For agencies, understanding this research means having data-backed arguments to present to clients instead of relying on outdated SEO mythology or guesswork about what moves the needle in search rankings.
Why this matters for your agency specifically comes down to client expectations and strategy prioritization. Clients often ask which optimizations will have the biggest impact on their rankings, and Backlinko's data helps you answer that question credibly. When a client wants to invest heavily in something like SSL certificates (which enable HTTPS), you can explain that while it's a ranking factor, it's a minimal one compared to building quality backlinks or improving content quality. This prevents wasted budget on low-impact optimizations and directs resources toward changes that actually move rankings. Additionally, having access to this research improves your credibility when pitching services. You're not making claims based on Google's official statements (which are intentionally vague) or personal experience alone—you're grounding your recommendations in quantified research that clients can understand and verify themselves.
Practically applying this research to your agency workflow means using it as a benchmarking tool during audits and strategy planning. When you conduct a technical SEO audit, reference Backlinko's findings to explain why certain issues matter more than others. If a client's site lacks HTTPS, yes, implement it, but don't position it as a primary ranking driver. Instead, frame it as a foundational element that should be addressed alongside higher-impact work like acquiring relevant backlinks or improving on-page content. You can also use this research when competing for clients. During discovery calls, mention that your strategies are based on empirical data about what Google actually ranks, not assumptions. Pull specific insights from Backlinko's latest research to show you're staying current with SEO best practices and understand the actual hierarchy of ranking factors.
The key for agencies is treating Backlinko's research as a reference point for setting realistic client expectations and prioritizing work effectively. It removes the guesswork from SEO strategy. When you're explaining why a site isn't ranking well, you can point to research that identifies the most common problems rather than throwing multiple potential fixes at the wall.
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