GoogleChrome/web-vitals
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to GoogleChrome/web-vitals got a first human reply in a median of 12.5 hours (12 pull requests, 18 April to 15 October 2026); 10% got none within 14 days. It ranks 972 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.
| Rank | 972 of 3,219 |
|---|---|
| Score | 55.60 |
| Tier | B |
| Median first reply | 12.5 hours |
| 14-day no-reply share | 10% |
| First-timer rank | Not enough evidence to show under this lens. |
| Ecosystem | JavaScript |
| Window | 18 April to 15 October 2026 |
Composite
- Rank
- 972 of 3,219
- Score
- 55.60
- Tier
- B
- Coverage
- 81% · Ceiling A
- Quadrant
- Sweet Spot
Coordinates: leverage 56.5 (coverage 100%), friction 44.9 (coverage 68%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 82.4 | 55% |
| Criticality | 78.0 | 100% |
| Governance | 29.5 | 100% |
| Rigor | 38.5 | 100% |
| Accessibility | 25.5 | 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. | 10.0% | 80.0 | 10 | 20 April to 17 October 2026 | primaryraw/pr_window/GoogleChrome__web-vitals.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | Not shown: Insufficient sample size | ||||
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 12.5 hours (0.5 days) | 98.6 | 12 | 18 April to 15 October 2026 | primaryraw/pr_window/GoogleChrome__web-vitals.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 408.1 hours (17 days) | 37.3 | 14 | 18 April to 15 October 2026 | primaryraw/pr_window/GoogleChrome__web-vitals.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 18,381 | 93.4 | — | — | primaryraw/dependents/GoogleChrome__web-vitals.json |
| Monthly DownloadsDownloads from the package registry in a month. | 181.7 million downloads a month | 91.5 | — | — | primaryraw/downloads/npm__web-vitals.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.5073 | 50.7 | — | — | primaryraw/github_meta/GoogleChrome__web-vitals.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 | 83 | — | primaryraw/commits_365d/GoogleChrome__web-vitals.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Company CLA | 25.0 | — | — | primaryraw/governance/GoogleChrome__web-vitals.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/GoogleChrome__web-vitals.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/GoogleChrome__web-vitals.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 55 | 55.0 | — | — | primaryraw/scorecard/GoogleChrome__web-vitals.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 12.1% | 15.2 | 33 | 18 April to 15 October 2026 | primaryraw/pr_window/GoogleChrome__web-vitals.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 85 | 85.0 | 30 | — | primaryraw/actions_runs/GoogleChrome__web-vitals.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/GoogleChrome__web-vitals.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 | 972 of 3,219 | 55.60 | B | Rated |
| First-timer | Not enough evidence to show under this lens. | |||
| Career capital | 437 of 798 | 57.16 | B | Rated |
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 1,529 of 3,696 | 52.54 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- a3c0a9580f51b7fa72509edfcb1a90e085346533c00f1ea98502fea2b473ea4b
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/3f.json, under the key GoogleChrome/web-vitals.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). GoogleChrome/web-vitals. Snapshot 2026-10-17. https://porchlamp.org/projects/googlechrome/web-vitals/. CC BY 4.0.
Similar projects
The ranked projects nearest this one in the same ecosystem.
- skeletonlabs/skeleton (rank 968)
- gpbl/react-day-picker (rank 971)
- gridstack/gridstack.js (rank 974)
- steel-dev/steel-browser (rank 975)
- enyo/dropzone (rank 978)