Introduction | Detecting SDGs using detect_sdg() | Detecting SDGs using detect_sdg_systems() | Selecting query systems | Selecting SDGs | Controlling the output | Keeping track of progress | Custom search with detect_any() | Visualizing hits with plot_sdg() | Adjusting visualizations | Extending visualizations with ggplot2 | Analyzing hits using crosstab_sdg() | Correspondence between query systems | Correspondence between SDGs