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15Five Best-Self Reviews

15Five Best-Self Reviews

Our answer to the dreaded annual performance review

Productivity·Launched Dec 2017·0 upvotes·15five.com
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ALIVEverified Aug 24, 2026 · HTTP 200
CohortClass of 2017

What it is

Our answer to the dreaded annual performance review. — 15Five’s Best-Self Review is a research-backed quarterly performance management practice, where employees and their manager reflect on progress over the previous quarter and work together to map each employee’s career development path. [Web App, Productivity, SaaS]

HTTP liveness

21 probes since Jun 11
Jun 11Aug 24
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)

Observed events

probes · press · GitHub
  1. Jun 11, 2026
    First probe — live
    Alive · 200 OK

Funding history

2 rounds
Total raised
$38.7M
Latest valuation
Stage
early
Series A
Jul 2019
investors undisclosed
$30.7M
SEC
Seed
Oct 2018
investors undisclosed
$8.0M
SEC
Data from SEC EDGAR Form D filings and press coverage. Round labels for SEC filings are inferred from filing sequence and amount.

Discussion 0 comments

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VitalsFading
Upvotes
Press
Tags
Pulse Indexobserved activity
21 probes0 pressGitHub –Tranco –

Not enough observed signals for a Pulse Index (needs 2+ signal families).

Founders
David Hassell
CEO
Previously: Endai Worldwide
Cohort survival · Class of 2017weekly

13,497 products launched in 2017 · 100% still active

13,462 active35 sunset
Still active
100%
Median lifespan
4.9y