Pick up to 4 vehicles to compare side-by-side. State lives in the URL — share the link and the comparison loads exactly as you left it. No JavaScript required.
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Pure URL state — no JavaScript, no localStorage, no cookies. The comparison renders entirely on the server from the slugs in the query string. Bookmark or share the URL and the comparison reproduces exactly.
Underlying dataset: GET /api/moon/landers. Methodology: /moon/methodology.