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% similarUnverifiedThe upvote count and comment count of a Hacker News post grow fastest within the first 6 hours after publication, with exposure dropping significantly after that window.70% similarUnverifiedProduct Hunt's daily leaderboard resets at midnight (Pacific Time), uses a weighted voting mechanism, and its ranking algorithm is similar to Hacker News.70% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/504418API
curl https://kongchang.com/api/v1/knowledge/claims/504418MCP
get_claim(id=504418)