To achieve this, the SE Ranking uses combination of Google data and our own metrics. You can see keyword search volumes in various SE Ranking tools, including:Keyword Rank TrackerCompetitive Research ToolKeyword Research ToolContent Marketing ModuleLocal Marketing Module2. SE Ranking uses its proprietary algorithm to calculate the keyword difficulty score, which ranges from 0 to 100:Which SE Ranking tools use the keyword difficulty metric? You can review Domain Trust and Page Trust metrics by using the following SE Ranking tools:8. Closing thoughtsIf you have any questions regarding metrics, indexes, or data points found in SE Ranking, feel free to ask them!