Keyword Research BasicsThe Semrush toolkit offers you several ways to gather the best keywords; good basics never fail, and traditional keyword research is where you should start. Competitor-Based Keyword ResearchCompetitor-based keyword research is another approach; this method uses websites that are already on the SERP as a jumping-off point. Keyword Gap: Compare Keyword PortfoliosThe Keyword Gap tool allows you to compare multiple domains’ keyword profiles side by side. Advanced Keyword Research SolutionsSemrush has solutions for both beginner and advanced keyword research workflows. Keyword Research GlossaryHere are the keyword research terms you need to know:Ad keyword—The query that triggers paid results.