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"Show HN" launch timing and early traction hack

Post a Show HN on Tuesday–Thursday between 7–9 AM EST and coordinate 5–10 genuine early upvotes and comments from different locations within the first hour to escape the "new" page and reach the front page.

common tactic
Best-fit channelHacker News
Stage + context0-100 · 100-1K
BudgetFreebudget tier
Suggested operator signalQualified Show HN visitors who complete the intended first product action

Why this can grow a startup

Hacker News uses a time-decay algorithm where score equals (votes minus 1) divided by (hours plus 2) raised to 1.5. Early engagement within the first hour is critical to escaping the new page before the decay penalty kicks in. Once a post hits the front page, organic traffic compounds because the HN audience of engineers, founders, and developers actively tries and shares useful tools. Unlike Product Hunt, HN rewards usefulness and originality over marketing polish, so genuine early comments signal quality to both the algorithm and readers.

Source-backed example

speedrunnerguy on r/SaaS — launched a side project on Hacker News using this exact timing and early-engagement strategy, resulting in 4,000+ daily visitors for 3 consecutive days and over 500 signups from a single post.

Source details

Source: reddit.com · Browse reddit.com tactics

Evidence scope: claims and metrics are attributed to the linked source; GrowthDex has not independently replicated the reported result. Check the original context and validate fit before applying it. Read the evidence methodology.

Source discovered: March 21, 2026

Hacker News0-100100-1K
GrowthDex operator note

When to use it

Use this when Hacker News is relevant to 0-100, 100-1K and you can run a bounded test with a free budget.

When not to use it

Do not use it as a substitute for customer evidence, a clear owner, or a measurable stop condition. Local platform rules and market behavior still need checking.

How to do it

  1. Choose one target segment and define the exact next action this tactic should prompt.
  2. Follow Hacker News community guidelines: do not solicit votes, comments, or submissions; share a useful working demo and an original explanation.
  3. Record a baseline for: Qualified Show HN visitors who complete the intended first product action. Set a guardrail that would make you pause the test.
  4. Run a narrow pilot and choose a test window that fits the normal decision or use cycle; do not scale before you have observed the full cycle.
  5. Compare the signal with its baseline. Scale only if the intended action improves without crossing the guardrail; otherwise revise one variable or stop and record what you learned.
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