EPFL-ENAC/co2-calculator GitHub Actions scorecard

Public GitHub Actions data, last 30 days. Updated 7/11/2026, 5:19:40 AM.

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161 min/mo
recoverable (~17% of CI time) · across 18 patterns · ≈$1/mo
Estimated from wall-clock time · public repos pay $0, $ = private-repo equivalent
See all 18 fixes, each with the exact YAML ↓
8.4%
failure rate, 30d
37m
avg time to recover from a failure
23 workflows · 500 runs (16.7/day) · 965 CI-min (wall-clock) · ≈$6 at private-repo rates (30d)

Where the minutes go (30d)

Tests~224 min · 103 runs
CodeQL~182 min · 100 runs
Security Checks~168 min · 76 runs
or track on every push →

Waste detected

Biggest wins first, each with the exact config fix.

Workflow runs on both push and pull_request · Tests

~61 min/mo

Pushing to a branch and opening a PR triggers two runs. Pick one (usually `pull_request`) and exclude branch pushes for non-default branches.

on:
  push:
    branches: [main]
  pull_request:

Full guide: how to fix this →

Workflow runs on both push and pull_request · Quality Checks

~30 min/mo

Pushing to a branch and opening a PR triggers two runs. Pick one (usually `pull_request`) and exclude branch pushes for non-default branches.

on:
  push:
    branches: [main]
  pull_request:

Full guide: how to fix this →

No concurrency control · Tests

~22 min/mo

Add a `concurrency:` block keyed on branch to cancel superseded runs when devs push twice quickly.

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

Full guide: how to fix this →

No concurrency control · Security Checks

~17 min/mo

Add a `concurrency:` block keyed on branch to cancel superseded runs when devs push twice quickly.

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

Full guide: how to fix this →

No concurrency control · Quality Checks

~11 min/mo

Add a `concurrency:` block keyed on branch to cancel superseded runs when devs push twice quickly.

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

Full guide: how to fix this →

No concurrency control · deploy

~9 min/mo

Add a `concurrency:` block keyed on branch to cancel superseded runs when devs push twice quickly.

concurrency:
  group: ${{ github.workflow }}
  # no cancel-in-progress on deploys: queued deploys would be dropped

Full guide: how to fix this →

Docker build without layer cache · deploy-storybook

~8 min/mo

The Docker build has no layer cache, so every run re-executes every layer from scratch. Add `cache-from: type=gha` / `cache-to: type=gha,mode=max` to the build step.

- uses: docker/build-push-action@v6
  with:
    cache-from: type=gha
    cache-to: type=gha,mode=max

Full guide: how to fix this →

No concurrency control · deploy-storybook

~3 min/mo

Add a `concurrency:` block keyed on branch to cancel superseded runs when devs push twice quickly.

concurrency:
  group: ${{ github.workflow }}
  # no cancel-in-progress on deploys: queued deploys would be dropped

Full guide: how to fix this →

Also found: 10 more config fixes with negligible recoverable minutes — timeouts, retention, path filters

No job timeout · deploy-storybook

~0 min/mo

No job sets `timeout-minutes`, so a hung step can run to GitHub's 6-hour default. Add `timeout-minutes` to each job.

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15

Full guide: how to fix this →

No job timeout · deploy

~0 min/mo

No job sets `timeout-minutes`, so a hung step can run to GitHub's 6-hour default. Add `timeout-minutes` to each job.

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15

Full guide: how to fix this →

No job timeout · Quality Checks

~0 min/mo

No job sets `timeout-minutes`, so a hung step can run to GitHub's 6-hour default. Add `timeout-minutes` to each job.

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15

Full guide: how to fix this →

No path filters on triggers · Quality Checks

~0 min/mo

Runs on every push/PR with no `paths:` filter, so docs-only changes still trigger full CI. Add a `paths:` filter if that's common.

on:
  pull_request:
    paths:
      - 'src/**'
      - 'package.json'

Full guide: how to fix this →

No job timeout · Security Checks

~0 min/mo

No job sets `timeout-minutes`, so a hung step can run to GitHub's 6-hour default. Add `timeout-minutes` to each job.

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15

Full guide: how to fix this →

No path filters on triggers · Security Checks

~0 min/mo

Runs on every push/PR with no `paths:` filter, so docs-only changes still trigger full CI. Add a `paths:` filter if that's common.

on:
  pull_request:
    paths:
      - 'src/**'
      - 'package.json'

Full guide: how to fix this →

Scheduled at the top of the hour · Security Checks

~0 min/mo

The schedule fires at minute :00 — GitHub's peak window, where scheduled runs get delayed or skipped. Shift to any other minute for the same cadence with less contention.

on:
  schedule:
    - cron: '24 0 * * 1'  # was '0 0 * * 1' — any non-:00 minute avoids the herd

Full guide: how to fix this →

Scheduled workflow runs in forks · Security Checks

~0 min/mo

The schedule has no repository guard, so forks that enable Actions inherit the cron and burn their own minutes. Gate the job with `if: github.repository == 'owner/repo'`.

jobs:
  nightly:
    if: github.repository == 'owner/repo'
    runs-on: ubuntu-latest

Full guide: how to fix this →

Full-history clone (fetch-depth: 0) · Security Checks

~0 min/mo

checkout fetches the entire git history every run (`fetch-depth: 0`) and nothing in the workflow appears to read it. Remove the line — the default shallow clone is much faster on big repos. Keep it if a step genuinely needs history.

- uses: actions/checkout@v4
  # fetch-depth: 0 removed — default shallow clone is enough here

Full guide: how to fix this →

No path filters on triggers · Tests

~0 min/mo

Runs on every push/PR with no `paths:` filter, so docs-only changes still trigger full CI. Add a `paths:` filter if that's common.

on:
  pull_request:
    paths:
      - 'src/**'
      - 'package.json'

Full guide: how to fix this →

Copy every fix as one block (9 snippets, annotated per workflow)
# Workflow runs on both push and pull_request — applies to: Tests, Quality Checks
on:
  push:
    branches: [main]
  pull_request:

# No concurrency control — applies to: Tests, Security Checks, Quality Checks
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

# No concurrency control — applies to: deploy, deploy-storybook
concurrency:
  group: ${{ github.workflow }}
  # no cancel-in-progress on deploys: queued deploys would be dropped

# Docker build without layer cache — applies to: deploy-storybook
- uses: docker/build-push-action@v6
  with:
    cache-from: type=gha
    cache-to: type=gha,mode=max

# No job timeout — applies to: deploy-storybook, deploy, Quality Checks, Security Checks
jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15

# No path filters on triggers — applies to: Quality Checks, Security Checks, Tests
on:
  pull_request:
    paths:
      - 'src/**'
      - 'package.json'

# Scheduled at the top of the hour — applies to: Security Checks
on:
  schedule:
    - cron: '24 0 * * 1'  # was '0 0 * * 1' — any non-:00 minute avoids the herd

# Scheduled workflow runs in forks — applies to: Security Checks
jobs:
  nightly:
    if: github.repository == 'owner/repo'
    runs-on: ubuntu-latest

# Full-history clone (fetch-depth: 0) — applies to: Security Checks
- uses: actions/checkout@v4
  # fetch-depth: 0 removed — default shallow clone is enough here

Each snippet is representative — merge into the named workflow files rather than pasting wholesale.

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