Use when a page ranks for a keyword but isn't in the top 3 and you want to know exactly what's missing. The agent compares the page to the top-ranking competitors and produces a specific list of entities, subtopics, and relationships to add.
Install
npx skills add inhouseseo/superseo-skills --skill semantic-gap-analysisnpx skills add inhouseseo/superseo-skills --skill semantic-gap-analysis -a claude-code -gnpx skills add inhouseseo/superseo-skills --skill semantic-gap-analysis -a codex -ggemini skills install https://github.com/inhouseseo/superseo-skills.git --path skills/semantic-gap-analysisgh skill install inhouseseo/superseo-skills semantic-gap-analysisgit clone --depth 1 https://github.com/inhouseseo/superseo-skills /tmp/inhouseseo__superseo-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/inhouseseo__superseo-skills/skills/semantic-gap-analysis ~/.claude/skills/semantic-gap-analysis # Claude Code
cp -R /tmp/inhouseseo__superseo-skills/skills/semantic-gap-analysis ~/.agents/skills/semantic-gap-analysis # Codex, Cursor, Gemini CLI, Copilot, OpenCode