
14 segments available
In this episode of Startup School, YC Group Partner Tom Blomfield discusses one of the most important elements of running any startup: metrics! Tom shares what key metrics to track and how to use them to make the best decisions for your company. Apply to Y Combinator: https://yc.link/SUS-apply Work at a startup: https://yc.link/SUS-jobs Chapters (Powered by https://bit.ly/chapterme-yc) - 00:00 - Intro 00:21 - Importance of Metrics 01:16 - Pre-launch Metrics 02:23 - Metric Overload Caution 03:17 - Key Metrics Selection 04:54 - Consistency in Metrics 07:13 - Investor Update Metrics 09:17 - Retention's Significance 13:13 - B2B SaaS: Net Dollar Retention 16:50 - Cruciality of Gross Margin 21:10 - Challenges of Negative Margin Scaling 22:18 - Metrics Recap 22:42 - Final Thoughts 23:24 - Outro
Tom Blomfield emphasizes the critical role of metrics in startup success, comparing them to instruments in an airplane. He warns against launching without metrics, highlighting the importance of understanding user engagement and retention from the start.
"hi there my name is Tom blumfield I'm a group partner at Y combinator and today we're going to be talking about one of my favorite topics metrics and why they're so useful for startups so why are metr..."
Blomfield cautions against overwhelming oneself with too many metrics before launch. He advises focusing on a few key metrics that truly matter, rather than getting lost in data that isn't actionable, especially for early-stage startups.
"thing they do after launching blind is to go back and build metrics in we would advise you don't do that you should build basic metrics into a product before you launch and as an investor it's really ..."
In this segment, Tom discusses the importance of selecting four or five key metrics to track. He stresses the need for a straightforward analytics solution and the significance of having a unified definition of these metrics across the team.
"users or data to make those kind of split tests sensibly so what you should do is certainly split test the really important decisions you know should the cost per user be $80 per year or $200 per year..."
Tom highlights the necessity of maintaining consistent definitions for metrics over time. He explains how changing metrics can lead to confusion and misalignment within teams, ultimately hindering productivity and decision-making.
"should pick the most straightforward analytics solution you can operate it might just be uh your SQL database making simple SQL queries to count to the number of signups post hog from Winter 2020 has ..."
Blomfield argues that revenue should be the primary metric for B2B startups, cautioning against vanity metrics that can mislead founders. He shares insights on how to accurately assess revenue and the importance of transparency in investor updates.
"not that's why it's so hard to compare metrics between different companies definition just vary so a weekly active user at my company monzo was someone who transacted who made a financial transaction ..."
In this segment, Tom explains the concepts of burn rate and runway, emphasizing their importance for startups. He outlines how these metrics help founders understand their financial health and plan for sustainability.
"especially for B2B companies your key metric should be Revenue if you pick another number take gross transaction value you'll find that your employees and eventually you might might start optimizing f..."
Tom discusses retention rates and their significance for startups. He explains how measuring retention can provide insights into customer satisfaction and long-term business viability, using cohort analysis as a key method.
"especially for investor updates alongside your Revenue please include burn rate that should be net what that means is monthly costs minus your revenues if you're loss making which most early startups ..."
This segment dives into net dollar retention, illustrating its calculation and importance for B2B SaaS companies. Tom explains how it reflects customer growth and retention, providing a clearer picture of business health.
"we're going to dive a little bit deeper one of the most important metrics for all startups really is retention this is the idea that if you sign up a 100 paying customers say you sign them up in Janua..."
Tom uses the metaphor of a layer cake to describe how high retention leads to sustainable revenue growth. He emphasizes the importance of retaining customers over time to build a solid revenue foundation.
"18month graph of monthly cohorts each month you're adding a new layer on and after 18 months you've got 18 cohorts still paying you this was like my first company go cardless it was a a recurring paym..."
In this segment, Tom warns about the dangers of customer churn and its impact on business sustainability. He contrasts successful retention strategies with the pitfalls of losing customers and scrambling to replace them.
"out at some point if these Decay curves flatten at some point and it almost matters that they flatten out at any point as opposed to a high point you know I I take a 20% retention that flattens out ov..."
Tom discusses the significance of gross margin for B2B startups, explaining how it affects profitability. He highlights the need for founders to understand their cost structures and the implications of low gross margins.
"futile Endeavor so we talked about overall retention number of customers for B2B startups people often talk about net dollar retention this is just a fancy way of calculating retention mostly used in ..."
In this segment, Tom addresses the challenges of scaling businesses with negative margins. He shares insights from his experience at Monzo, emphasizing the importance of fixing unit economics before pursuing aggressive growth.
"retention above 100% means your cohorts are growing over time if your net dollar attention is below 100% they're shrinking over time youve got to pour more water into the funnel to fill up the the Lea..."
Tom summarizes the key metrics discussed throughout the session, reinforcing the importance of revenue, retention, and gross margin. He encourages founders to track these metrics rigorously to ensure startup success.
"we're going to do on B2B metrics and this is applicable to Consumer companies as well is gross margin gross margin is your Revenue the money you get from customers minus the cost of goods sold so you ..."
In his concluding remarks, Tom emphasizes the need for a balanced approach to metrics, customer engagement, and product intuition. He encourages founders to avoid vanity metrics and focus on actionable data to drive their startups forward.
"companies today the gross margin the amount they pay to open AI or anthropic or others for the foundation model is a really important cost and by the way just because you're getting free credits doesn..."