> For the complete documentation index, see [llms.txt](https://startup.shibin.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://startup.shibin.co/library/traction.md).

# Traction

## Product Market Fit

* [How Superhuman Built an Engine to Find Product/Market Fit](https://firstround.com/review/how-superhuman-built-an-engine-to-find-product-market-fit/)
* [The Formula for Finding Product Market Fit](https://yossihasson.substack.com/p/the-formula-for-finding-product-market?r=sv6r\&utm_campaign=post\&utm_medium=web\&utm_source=copy\&s=r)
* [What it feels like when you've found product-market fit](https://www.lennysnewsletter.com/p/what-it-feels-like-when-youve-found)
* [I hate MVPs. So do your customers. Make it SLC instead.](https://blog.asmartbear.com/slc.html)
* [What Product Market Fit Indicators Don't Capture](https://brianbalfour.com/quick-takes/what-product-market-fit-indicators-dont-capture)
* [Building a Growth Framework Towards a $100 Million Product](https://brianbalfour.com/essays/hubspot-growth-framework-100m)
* [How much funding is too little? Too much?](https://pmarchive.com/guide_to_startups_part6.html)

## Metrics 

* [Common Mistakes In Defining Metrics](https://brianbalfour.com/quick-takes/common-mistakes-defining-metrics)
* [How to Drive Your Startup with just 2 North Star Metrics](https://medium.com/@cyberroland/how-to-drive-your-startup-with-just-2-north-star-metrics-bef52c83e393)
* [The Stickiest, Most Addictive, Most Engaging, and Fastest-Growing Social Apps—and How to Measure Them](https://a16z.com/2020/12/07/social-strikes-back-fastest-growing-apps/)
* [Measuring What Really Matters When You Start Up](https://www.techstars.com/the-line/advice/measuring-what-really-matters-when-you-start-up)
* [Sales funnel metrics you should be tracking in your SaaS startup](https://medium.com/airtree-venture/https-medium-com-airtree-venture-sales-funnel-metrics-21569c789a02)
* [Top 5 SaaS Metrics VCs Look At for Series A/B/C](https://medium.com/signalfire-fund/top-5-metrics-vcs-look-at-for-series-a-b-c-c6a0171fd200)
* [Calculating TAM Is About Problem Size, Not Market Size](https://onstartingup.medium.com/frequency-intensity-users-69c4fb5c3aa3)
* [Magic Number Math](https://www.scalevp.com/blog/magic-number-math)
* [Measuring and Benchmarking the Four Vital Signs of SAAS](https://www.scalevp.com/blog/four-vital-signs-of-saas)
* [Understanding the Mendoza Line for SaaS growth](https://www.scalevp.com/blog/understanding-the-mendoza-line-for-saas-growth)
* [Bootstrapped CPC rule of thumb: MRR/25](https://blog.asmartbear.com/bootstrapped-cpc.html)
* [Deep dive: Cancellation rate in SaaS business models](https://blog.asmartbear.com/cancellation-rate-in-saas-business-models.html)
* [What is good retention - Issue 29](https://www.lennyrachitsky.com/p/what-is-good-retention-issue-29)
* [The Innovator's Dilemma for SaaS Startups](https://tomtunguz.com/saas-innovators-dilemma/)
* [Revenue Growth Benchmarking for Startups](https://medium.com/parsa-vc/revenue-growth-benchmarking-for-startups-c682b98c0270)
* [How Fast Must a SaaS Startup Grow to Raise a Series A?](https://tomtunguz.com/mrr-growth/)
* [The growth needed for a SaaS exit](https://blossomstreetventures.medium.com/the-growth-needed-for-a-saas-exit-17c7dfe51bd6)
* [Using NBA Metrics to Scout Superstar Startups](https://a16z.com/2020/11/17/nba-startup-metrics-efficiency-usage/)
* [Roadmap to a SaaS IPO: how to unicorn your way to $100M revenue](https://www.stephnass.com/blog/saas-ipo-roadmap)
* [The Metrics You Need To Raise A Series A](https://blog.initialized.com/2021/06/the-metrics-you-need-to-raise-a-series-a/)
* [Cheat sheet #2: Key Metrics to track for Consumer Apps and Networks](https://medium.com/samaipata-ventures/cheat-sheet-2-key-metrics-to-track-for-consumer-apps-and-networks-da92d5e83a90)

## Failure

* [How to Recover Gracefully After Shutting Down Your Startup](https://hbswk.hbs.edu/item/how-to-recover-gracefully-after-shutting-down-your-startup)
* [The Hidden Patterns of Startup Failure](https://www.nfx.com/post/hidden-patterns-startup-failure/)
* [Book Review: Why Startups Fail](https://www.startuphacks.vc/blog/why-startups-fail)