Unverified50% confidenceFactExact time
Hacker News's early ranking algorithm was a gravity-decay model, which was adjusted multiple times afterward.
1
Sources
50%
Confidence
Long-term
Relevance
10/26/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedHacker News's ranking algorithm combines vote count, comment count, and a time decay factor.77% similarVerifiedHacker News's algorithmic mechanism determines content exposure through a formula of 'upvotes / time decay'.74% similarVerifiedHacker News's ranking algorithm uses a time-decay weighted formula: score = (upvotes - 1) / (hours since posting + 2)^1.8.69% 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).65% similarUnverifiedIn the past, Hacker News and Product Hunt were important venues for discovering new software, but now the traffic of these platforms is also declining, or they have been infiltrated by PR firms.65% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1098715API
curl https://kongchang.com/api/v1/knowledge/claims/1098715MCP
get_claim(id=1098715)