Average Difficulty is a metric that assesses the competitiveness of ranking specific keywords or phrases in the SERP. This metric can help to gauge how challenging it may be to rank for particular keywords or terms based on various factors, including the number and quality of competing websites, their domain authority, content relevance, and backlink profiles. This is typically measured on a scale from low to high difficulty, an Average Difficulty score indicates a moderate level of competition. Keywords classified as having average difficulty suggest that while there are opportunities for ranking well in SERPs. To achieve this may required creating high-quality content that addresses user intent effectively, improving site structure and loading speed, acquiring backlinks from reputable sources, and so on.
Understanding Average Difficulty is helpful for keyword research as it helps SEOs to select targets that align with their resources and goals.