sinonjs/sinon
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to sinonjs/sinon got a first human reply in a median of 8 days (16 pull requests, 18 April to 15 October 2026); 58% got none within 14 days. It ranks 804 of 3,219 overall. For first-time contributors it ranks 956 of 1,525 (the bottom 38%).
| Rank | 804 of 3,219 |
|---|---|
| Score | 56.98 |
| Tier | B |
| Median first reply | 8 days (191.4 hours) |
| 14-day no-reply share | 58% |
| First-timer rank | 956 of 1,525 |
| Ecosystem | JavaScript |
| Window | 18 April to 15 October 2026 |
Composite
- Rank
- 804 of 3,219
- Score
- 56.98
- Tier
- B
- Coverage
- 98% · Full
- Quadrant
- Sweet Spot
Coordinates: leverage 63.0 (coverage 100%), friction 48.8 (coverage 97%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 44.5 | 100% |
| Criticality | 77.3 | 100% |
| Governance | 59.3 | 100% |
| Rigor | 41.7 | 100% |
| Accessibility | 56.2 | 85% |
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. | 80.0% | 100.0 | 10 | 18 April to 17 July 2026 | primaryraw/pr_window/sinonjs__sinon.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 58.3% | 0.0 | 24 | 20 April to 17 October 2026 | primaryraw/pr_window/sinonjs__sinon.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 70.6% | 88.2 | 17 | — | primaryraw/author_history/sinonjs__sinon.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 191.4 hours (8 days) | 0.1 | 16 | 18 April to 15 October 2026 | primaryraw/pr_window/sinonjs__sinon.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 750.7 hours (31.3 days) | 17.9 | 23 | 18 April to 15 October 2026 | primaryraw/pr_window/sinonjs__sinon.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 70,717 | 97.9 | — | — | primaryraw/dependents/sinonjs__sinon.json |
| Monthly DownloadsDownloads from the package registry in a month. | 46.4 million downloads a month | 81.9 | — | — | primaryraw/downloads/npm__sinon.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.5062 | 50.6 | — | — | primaryraw/github_meta/sinonjs__sinon.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 2 | 50.0 | 75 | — | primaryraw/commits_365d/sinonjs__sinon.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/sinonjs__sinon.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/sinonjs__sinon.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/sinonjs__sinon.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 65 | 65.0 | — | — | primaryraw/scorecard/sinonjs__sinon.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 9.8% | 12.2 | 41 | 18 April to 15 October 2026 | primaryraw/pr_window/sinonjs__sinon.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 85 | 85.0 | 18 | — | primaryraw/actions_runs/sinonjs__sinon.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 50.0% | 100.0 | 8 | — | primaryraw/author_history/sinonjs__sinon.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/sinonjs__sinon.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 | 804 of 3,219 | 56.98 | B | Rated |
| First-timer | 956 of 1,525 | 53.21 | C | Rated |
| Career capital | 326 of 798 | 60.25 | B | Rated |
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 1,385 of 3,696 | 53.45 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- c73160e58f2c430d15c93173c0074619f4fc46999298659b6bd29b263be2ff27
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/b0.json, under the key sinonjs/sinon.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). sinonjs/sinon. Snapshot 2026-10-17. https://porchlamp.org/projects/sinonjs/sinon/. CC BY 4.0.
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