Verified75% confidenceFactExact time
Hacker News's ranking algorithm uses a time-decay weighted formula: score = (upvotes - 1) / (hours since posting + 2)^1.8.
5
Sources
75%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
Loot Raiders：用Svelte打造背包战利品网页游戏的独立开发实践
Related Claims
VerifiedHacker News's algorithmic mechanism determines content exposure through a formula of 'upvotes / time decay'.84% similarVerifiedHacker News's ranking algorithm combines vote count, comment count, and a time decay factor.82% similarUnverifiedThe core formula of the Hacker News ranking algorithm is Score = (P - 1) / (T + 2)^G, where P is the number of upvotes, T is the number of hours since posting, and G is the gravity coefficient (default value 1.8).82% similarUnverifiedReddit's Hot Algorithm comprehensively weighs upvote count, comment velocity, and a time-decay factor, giving comments that receive high upvotes within the first few hours after posting a disproportionate exposure advantage.63% similarUnverifiedThis article is organized and analyzed based on publicly available information from a technical post on HackerNews.61% similar
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