google/draco
First human reply
27.3 days
typical wait for an outside pull request, from 23 measured.
What happens to a stranger's pull request here, in the Porchlamp snapshot of 5 November 2026.
Outside pull requests to google/draco got a first human reply in a median of 27.3 days (23 pull requests, 25 April to 22 October 2026); 77% got none within 14 days. It ranks 3,974 of 4,044 overall. For first-time contributors it ranks 1,901 of 1,904 (the bottom 1%).
| Rank | 3,974 of 4,044 |
|---|---|
| Score | 31.23 |
| Tier | D |
| Median first reply | 27.3 days (655.9 hours) |
| 14-day no-reply share | 77% |
| First-timer rank | 1,901 of 1,904 |
| Ecosystem | C and C++ |
| Window | 25 April to 22 October 2026 |
Composite
- Rank
- 3,974 of 4,044
- Score
- 31.23
- Tier
- D
- Coverage
- 86% · Ceiling A
- Quadrant
- Graveyard
Coordinates: leverage 39.6 (coverage 100%), friction 76.3 (coverage 78%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 21.2 | 75% |
| Criticality | 40.8 | 100% |
| Governance | 29.5 | 100% |
| Rigor | 44.6 | 100% |
| 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. | Not shown: Insufficient sample size | ||||
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 77.4% | 0.0 | 31 | 27 April to 24 October 2026 | primaryraw/pr_window/google__draco.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 63.6% | 79.5 | 11 | — | primaryraw/author_history/google__draco.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 655.9 hours (27.3 days) | 0.0 | 23 | 25 April to 22 October 2026 | primaryraw/pr_window/google__draco.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 3533.6 hours (147.2 days) | 0.1 | 18 | 25 April to 22 October 2026 | primaryraw/pr_window/google__draco.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | Not shown: Not applicable | ||||
| Monthly DownloadsDownloads from the package registry in a month. | Not shown: Not applicable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4076 | 40.8 | — | — | proxy:no_dependents_signalraw/github_meta/google__draco.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 | 75 | — | primaryraw/commits_365d/google__draco.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Company CLA | 25.0 | — | — | primaryraw/governance/google__draco.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/google__draco.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/google__draco.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 72.5 | 72.5 | — | — | primaryraw/scorecard/google__draco.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 9.5% | 11.9 | 21 | 25 April to 22 October 2026 | primaryraw/pr_window/google__draco.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 70 | 70.0 | 24 | — | primaryraw/actions_runs/google__draco.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/google__draco.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 | 3,974 of 4,044 | 31.23 | D | Rated |
| First-timer | 1,901 of 1,904 | 26.69 | 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 | 3,926 of 4,002 | 34.52 | D | Rated |
Integrity
- Snapshot
- 2026-11-05
- Raw hash
- a42b92baf79e71b3cc3c14fe4da808d9d8a4ccbf0125830dd7e18d3ac8c85ae3
No suspicion flags on this repository.
The full record is in data/2026-11-05/repos/41.json, under the key google/draco.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). google/draco. Snapshot 2026-11-05. https://porchlamp.org/projects/google/draco/. CC BY 4.0.
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