Quick answer
Product-led growth (PLG) is a go-to-market strategy in which the product itself is the main way customers discover, try, adopt and buy, typically through a free plan or free trial, with sales stepping in later for larger accounts.
What is product-led growth?
Product-led growth (PLG) is a go-to-market strategy where the product does most of the work of acquiring, converting and expanding customers. People sign up on their own, often on a free plan or trial, reach value without talking to anyone, and pay when they need more. The term was popularised by the venture firm OpenView in 2016.
PLG vs sales-led vs hybrid
| Sales-led | Product-led | Hybrid (product-led sales) | |
|---|---|---|---|
| First contact | Demo or sales call | Sign-up | Sign-up |
| Who qualifies | Sales reps (MQL → SQL) | Product usage | Usage signals, then sales |
| Typical price point | High | Low to mid | Self-serve plans + enterprise |
| Key lead type | MQL / SQL | Active user | Product-qualified lead |
Most PLG companies become hybrid as they grow: small teams buy on their own, larger accounts get a sales conversation triggered by usage.
The PLG funnel: a sample
One month of a self-serve SaaS product (sample numbers):
| Stage | Users | Step conversion |
|---|---|---|
| Website visitors | 50,000 | — |
| Sign-ups | 2,000 | 4.0% |
| Activated (reached the aha moment) | 800 | 40% |
| Product-qualified leads | 240 | 30% |
| Paid | 72 | 30% |
Overall, 0.144% of visitors became paying customers. The biggest lever here is activation: raising it from 40% to 50% adds 18 paid customers a month (90 instead of 72) at the same traffic.
Metrics that matter
- Sign-up conversion by source.
- Activation rate and time to value.
- Free-to-paid conversion and trial conversion.
- Product-qualified leads (accounts whose usage matches buyers).
- Expansion: seats and plan upgrades over time, which show up in net revenue retention.
When PLG fits, and when it does not
PLG fits when value can be felt within minutes or days, setup does not need a consultant, the user is also the buyer (or close to them), and pricing has a low entry point. It fits poorly for products that need long integration, heavy compliance review or committee buying; there, a sales-led motion with a product-led trial is common.
Instrumenting a PLG funnel
Track each stage as an event: signup (from your server), the activation action, the usage that defines a PQL, and subscription_started with plan and amount. In TapCub, a funnel from website visit to paid shows step conversion by source; retention from sign-up shows whether activated users stay; and a rule segment for your PQL definition can send membership changes to a webhook so sales gets notified. See also product-led growth metrics.
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Growth Strategist
Explores acquisition channels, activation, and conversion experiments, turning data insights into actionable growth hypotheses and evaluation methods.