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Products that do what I built a tool for viral Reddit posts after analyzing 562 subreddits does
It took me six months to analyze 562 subreddits. I systematically parsed titles, post bodies, and user interactions to identify statistically significant patterns and evaluate if it was possible to create a model that could predict the likelihood of a post going viral based on specific features. The key findings were unexpected: while the title of a post has a direct correlation with engagement, there is another highly influential factor I initially overlooked, timing. The optimal time to post on Reddit, in terms of engagement, can significantly vary based on geographic distribution. The…
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2020 · valohai.com
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The one with Reddit, The_Donald, and a crystal ball
2016
- 4MA
2017 · lmcinnes.github.io
- 5IA
I built an archiver that tracked every HN item for 27 days (Dec 3-30, 2025) and captured 72k temporal snapshots to see how posts gain and lose attention. Key findings: - Early velocity (points/hour in first 2 hours) predicts final score with ρ=0.82. A simple classifier achieves 98.4% precision for viral prediction. - No Matthew effect: high-scoring posts don't get more upvotes per hour than low-scoring ones (ρ=-0.04). HN's gravity penalty actually works. - Yet extreme inequality persists: Gini=0.89, meaning bottom 80% of posts get <10% of total upvotes. Inequality without cumulative…
Dec 2025 · papers.ssrn.com
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2012 · flipmeme.com
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2018 · github.com
- 11IM
Hey friends! I’d like to introduce my latest product, Flashpost, a post scheduling tool for Reddit. The free tier includes 5 free posts per month so you can give the product a try. It is my first paid product as I try to make it as a solo indie dev! The goal is to offer a simple tool for creators to promote their projects on Reddit without breaking the bank for a single distribution channel. Now for the behind the scenes details. ## The Backstory When I launched my first project TechStackLeads on Reddit, the response was remarkable. My post received 700k impressions, resulting in 20k…
2023 · flashpost.stevennatera.com
- 12AW
I've tracked the top 3000 subscribed (and some subreddits that I visit frequently) subreddit's active user over time, so you know when to post to get the most feedback! I come from a nodejs background, and this is the first time coding with Go, so the structures might not be standard. But feel free to give me any feedbacks!
2024 · redditdb.info
- 13HM
One year ago, I downloaded the news.arc code and decided that I would teach myself programming by building a better aggregator. At that time, I had some rudimentary HTML knowledge, and little FORTRAN under my belt. I knew that I wanted an aggregator that could support a wide range of submissions, and one that could scale without losing quality for the user. Hubski is what I have to show for my time and effort. The easiest way to describe Hubski is to say that it uses a commenting system akin to HN or Reddit, but uses a sharing scheme like Twitter. You have a personal feed comprised of the…
2011
- 14MI
As you can tell, it's heavily influenced by Mark Bao's threewords.me. The concept is simple, upload three pics and let your friends vote on them. In fact, I think I may have ripped the concept off a post about threewords.me. Anyways... Basically, I just wanted to build something stripped down to a core functionality and a little different from my usual projects. I've spent a lot of time polishing the flow and trying to make sharing an inherent part of the app. It's built on Ruby/Padrino/Sinatra, Postgres and uses S3 for image hosting. This is actually my first Ruby project coming from a pure…
2011
- 15ST
2024 · subreddittraffic.live
- 16IM
Quibird is a better way to measure relevance on Twitter: http://quibird.com
2012
- 171R
I wanted to find a product idea to build. "Build things people want," right? So I thought, why not literally find people saying what they want? I wrote a script to collect thousands of Reddit posts where people are looking for a solution or complaining about a problem. Then I used GPT to filter out the noise and score each one based on how viable the idea seemed. Threw together a simple search interface so anyone can explore them. I was planning to build a more advanced paid version of this, but figured I'd share the raw version first to see if it's actually useful to anyone.
Nov 2025 · search.reddit-business-ideas.workers.dev
- 18MF
I recently finished the Front-End Web Development program at General Assembly in San Francisco. My final project turned out being a quick, easy, and free way to convert a Tweet into various properly formatted citations. Inspired by a Hacker News post a few months back: https://news.ycombinator.com/item?id=3751295
2013 · tweet2cite.com
- 19RO
I was lucky enough to have my site trending on Friday (https://news.ycombinator.com/item?id=25872922). It’s an icon site that lists open source icons. I wanted to share some stats on the results after 3 days. Worth noting was that I submitted it on a Friday morning (at which point I went for a walk and a coffee; eek). - 24,997 page views. I (embarrassingly) didn’t have GA set up when I first submitted it, so this is probably missing a few hundred page views - 21 “feedback” emails (half of which were spam). I assume such a high percentage of these were spam because my Feedback…
2021
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2021 · github.com
- 21IB
2024 · reddstat.com
- 22MS
The following HN post prompted me to make this: http://news.ycombinator.com/item?id=2168220 I have created http://onememory.me Alright, so it's not super-viral. It has been online for about 3 hours, so far. I made two or three tweets about it, and posted it on my Facebook wall. Within the three hours, I've seen ~200 unique visitors and had only 31 of them register. A very large percentage of that traffic all came from Twitter. Not many people seem to be sharing their URLs by way of my "tweet this" or facebook share buttons, though. I'll be making those more prominent soon. It's a similar…
2011
- 23SS
2017 · demos.explosion.ai
- 24IB
Hey HN,I'm Arthur, solo founder here. After struggling to get consistent traffic for my own startup, I realized I was spending more time guessing how to market than actually building. So I made something small but useful. MediaFast is a simple tool that gives you daily marketing roadmaps for Reddit, X, and LinkedIn. No fluff, just concrete tasks that help you get seen. It covers: – Where and how to post on Reddit without getting banned – What to tweet to get engagement as a SaaS founder – How to grow LinkedIn with cold DMs and soft content Since launching, I’ve gotten 15k+ visitors and $5.7k…
2025 · mediafa.st
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