PostHog JS Engineering Benchmarks

PostHog Analytics · Updated July 28, 2026

PostHog JS delivery benchmarks are based on 182 merged pull requests in the last 30 days (1,098 all-time), with 21.0 hours median cycle time, 0.6 hours median review time, and 30 active contributors. AI-related signals appear on 36.3% of recent work. PR volume is up 5% compared to the prior period.

Posthog Js merged 53 PRs in the past 30 days with 0% showing AI-related signals. Median cycle time is 2.57 hours.
Median Cycle Time
21.0h
PR open to merge
Median Review Time
0.6h
first review to approval
AI-Related Signals
36.3%
directional signal across recent PRs
Best Signal Fast Delivery
21.0h
Median cycle time of 21.0h

Repo vs PostHog Analytics Average

+3.9pp
AI Signals
+14.9h
Cycle Time
+0.4h
Review Time

Delivery Trend and AI Signals

PR Backlog (Humans)

Excludes AI agents and automation accounts.

PR Backlog (AI Agents)

AI coding agents only.

Cycle Time by AI-Related Signals

39.8h
with signals
40.2h
baseline
-0.9%
difference

PR Breakdown

111 with signals / 189 total PRs

Top AI Tools

claude 68
claude_code 17
cursor 5
pi 4
posthog code 4

PR Type Breakdown

unknown 66
bugfix 65
feature 27
ci 15
chore 5
docs 2

Methodology

Metrics are computed from merged pull request data synced daily from GitHub. AI-related metrics are directional signals inferred from pull request activity patterns and heuristics. Summary metrics use a 30-day rolling window; trends use a 90-day window. Last updated 29 minutes ago.

Updated daily from public GitHub pull requests.

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