vega/vega-lite
First human reply
7.8 days
typical wait for an outside pull request, from 11 measured.
What happens to a stranger's pull request here, in the Porchlamp snapshot of 5 November 2026.
Outside pull requests to vega/vega-lite got a first human reply in a median of 7.8 days (11 pull requests, 23 April to 20 October 2026); 74% got none within 14 days. It ranks 3,686 of 4,044 overall. For first-time contributors it ranks 1,890 of 1,904 (the bottom 1%).
| Rank | 3,686 of 4,044 |
|---|---|
| Score | 40.32 |
| Tier | C |
| Median first reply | 7.8 days (186.0 hours) |
| 14-day no-reply share | 74% |
| First-timer rank | 1,890 of 1,904 |
| Ecosystem | JavaScript |
| Window | 23 April to 20 October 2026 |
Composite
- Rank
- 3,686 of 4,044
- Score
- 40.32
- Tier
- C
- Coverage
- 86% · Ceiling A
- Quadrant
- Crucible
Coordinates: leverage 51.5 (coverage 91%), friction 68.0 (coverage 85%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 25.4 | 90% |
| Criticality | 54.6 | 100% |
| Governance | 50.5 | 100% |
| Rigor | 47.1 | 70% |
| Accessibility | 21.0 | 50% |
The measured parameters
Responsiveness
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days. | 40.0% | 50.0 | 20 | 23 April to 22 July 2026 | primaryraw/pr_window/vega__vega-lite.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 74.1% | 0.0 | 27 | 27 April to 24 October 2026 | primaryraw/pr_window/vega__vega-lite.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 40.0% | 50.0 | 10 | — | primaryraw/author_history/vega__vega-lite.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 186.0 hours (7.8 days) | 1.1 | 11 | 23 April to 20 October 2026 | primaryraw/pr_window/vega__vega-lite.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | Not shown: Insufficient sample size | ||||
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 206 | 58.4 | — | — | primaryraw/dependents/vega__vega-lite.json |
| Monthly DownloadsDownloads from the package registry in a month. | 5.0 million downloads a month | 64.9 | — | — | primaryraw/downloads/npm__vega-lite.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4288 | 42.9 | — | — | primaryraw/github_meta/vega__vega-lite.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 1 | 25.0 | 62 | — | primaryraw/commits_365d/vega__vega-lite.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | No CLA or sign-off found | 85.0 | — | — | primaryraw/governance/vega__vega-lite.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | No written path to becoming a maintainer | 40.0 | — | — | primaryraw/governance/vega__vega-lite.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | No written AI policy | 40.0 | — | — | primaryraw/governance/vega__vega-lite.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 52.5 | 52.5 | — | — | primaryraw/scorecard/vega__vega-lite.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | Not shown: Insufficient sample size | ||||
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 70 | 70.0 | 19 | — | primaryraw/actions_runs/vega__vega-lite.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | Not shown: Insufficient sample size | ||||
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/vega__vega-lite.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | Not shown: Insufficient sample size | ||||
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 3,686 of 4,044 | 40.32 | C | Rated |
| First-timer | 1,890 of 1,904 | 32.93 | D | Rated |
| Career capital | This repository's production-criticality signal is not yet high enough for career-capital ranking. | |||
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 3,617 of 4,002 | 42.17 | C | Rated |
Integrity
- Snapshot
- 2026-11-05
- Raw hash
- 47fdbcb38e436d89219596f1e7f5cc076a6d1128350eaddc104adab6e926f337
No suspicion flags on this repository.
The full record is in data/2026-11-05/repos/82.json, under the key vega/vega-lite.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). vega/vega-lite. Snapshot 2026-11-05. https://porchlamp.org/projects/vega/vega-lite/. CC BY 4.0.
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