PorchlampFind the projects that leave the light on.2026-10-17

What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.

For shikijs/shiki, the reply time has too small a sample to measure (0 pull requests counted; 10 needed). 38% of 16 outside pull requests got no reply within 14 days (20 April to 17 October 2026). It ranks 1,368 of 3,219 overall. For first-time contributors it ranks 1,103 of 1,525 (the bottom 28%).

Key facts
Rank1,368 of 3,219
Score52.32
TierC
Median first reply—
14-day no-reply share38%
First-timer rank1,103 of 1,525
EcosystemJavaScript
Window20 April to 17 October 2026

Composite

Rank
1,368 of 3,219
Score
52.32
Tier
C
Coverage
86% · Ceiling A
Quadrant
Sweet Spot

Coordinates: leverage 54.4 (coverage 100%), friction 49.4 (coverage 73%)

Five pillars

Score out of 100, and how much of the pillar was measured
PillarScoreCoverage
Responsiveness52.045%
Criticality65.2100%
Governance50.5100%
Rigor39.1100%
Accessibility47.0100%

The measured parameters

Responsiveness

ParameterValueScoreCountWindowSource
Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days.Not shown: Insufficient sample size
PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days.37.5%25.01620 April to 17 October 2026primaryraw/pr_window/shikijs__shiki.json
First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged.66.7%83.312—primaryraw/author_history/shikijs__shiki.json
Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply.Not shown: Insufficient sample size
Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged.512.2 hours (21.3 days)30.01418 April to 15 October 2026primaryraw/pr_window/shikijs__shiki.json

Criticality

ParameterValueScoreCountWindowSource
DependentsPackages in the registry that depend on this project, counted once each.43365.8——primaryraw/dependents/shikijs__shiki.json
Monthly DownloadsDownloads from the package registry in a month.107.8 million downloads a month88.0——primaryraw/downloads/npm__shiki.json
OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals.0.481148.1——primaryraw/github_meta/shikijs__shiki.json

Governance

ParameterValueScoreCountWindowSource
Elephant FactorThe fewest organisations that account for half of the last year's commits.125.0154—primaryraw/commits_365d/shikijs__shiki.json
Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA.No CLA or sign-off found85.0——primaryraw/governance/shikijs__shiki.json
Promotion LadderHow openly a contributor can become a maintainer, from closed to verified.No written path to becoming a maintainer40.0——primaryraw/governance/shikijs__shiki.json

Rigor

ParameterValueScoreCountWindowSource
AI Policy PostureWhether the project has a written policy on AI-assisted contributions.No written AI policy40.0——primaryraw/governance/shikijs__shiki.json
Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100.62.562.5——primaryraw/scorecard/shikijs__shiki.json
Substantive Review RateShare of decided pull requests that received a substantive review.5.6%6.91818 April to 15 October 2026primaryraw/pr_window/shikijs__shiki.json

Accessibility

ParameterValueScoreCountWindowSource
Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals.7070.030—primaryraw/actions_runs/shikijs__shiki.json
Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days.47.4%94.719—primaryraw/author_history/shikijs__shiki.json
Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers.00.0——primaryraw/gfi/shikijs__shiki.json
Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days.11.1%22.29—primaryraw/author_history/shikijs__shiki.json

Persona view

PersonaRankScoreTierStatus
Balanced1,368 of 3,21952.32CRated
First-timer1,103 of 1,52550.31CRated
Career capital545 of 79854.10CRated
Senior systemsFewer than 3 organizations account for most commits (not multi-vendor).
AI-assisted1,955 of 3,69649.40CRated

Integrity

Snapshot
2026-10-17
Raw hash
cf4ec992fa1856e924b1d57aab68beaac0d6376b896b8f21bd10471b657cf786

No suspicion flags on this repository.

The full record is in data/2026-10-17/repos/4a.json, under the key shikijs/shiki.

How every number is measured: Porchlamp methodology.

Open an issue about this record and say what looks wrong.

Porchlamp (2026). shikijs/shiki. Snapshot 2026-10-17. https://porchlamp.org/projects/shikijs/shiki/. CC BY 4.0.

Similar projects

The ranked projects nearest this one in the same ecosystem.