About this repo | Usage | Authentication | Configuration

Lighthouse CI on Shopify Theme Pull Requests using GitHub Actions.

Add shopify/lighthouse-ci-action to the workflow of your Shopify theme.

# .github/workflows/lighthouse-ci.yml
name: Shopify Lighthouse CI
on: [push]
jobs:
  lhci:
    name: Lighthouse
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Lighthouse
        uses: shopify/lighthouse-ci-action@v1
        with:
          store: ${{ secrets.SHOP_STORE }}
          access_token: ${{ secrets.SHOP_ACCESS_TOKEN }}
          lhci_github_app_token: ${{ secrets.LHCI_GITHUB_APP_TOKEN }}
          lhci_min_score_performance: 0.9
          lhci_min_score_accessibility: 0.9

Authentication is done with Custom App access tokens.

1. Create the app.
2. Click the Configure Admin API Scopes button.
3. Enable the following scopes:
   • read_products
   • write_themes
4. Click Save.
5. From the API credentials tab, install the app.
6. Take note of the Admin API access token.
7. Add the following to your repository's GitHub Secrets:
   • SHOP_ACCESS_TOKEN: the Admin API access token
   • SHOP_STORE: Shopify store <store>.myshopify.com URL

The shopify/lighthouse-ci-action accepts the following arguments:

• access_token - (required) see Authentication
• store - (required) Shopify store Admin URL, e.g. my-store.myshopify.com.
• password - (optional) For password protected shops
• product_handle - (optional) Product handle to run the product page Lighthouse run on. Defaults to the first product.
• theme_root - (optional) The root folder for the theme files that will be uploaded. Defaults to .
• collection_handle - (optional) Collection handle to run the product page Lighthouse run on. Defaults to the first collection.
• pull_theme - (optional) The ID or name of a theme from which the settings and JSON templates should be used. If not provided Lighthouse will be run against the theme's default settings.
• lhci_min_score_performance - (optional, default: 0.6) Minimum performance score for a passed audit (must be between 0 and 1).
• lhci_min_score_accessibility - (optional, default: 0.9) Minimum accessibility score for a passed audit

For the GitHub Status Checks on PR. One of the two arguments is required:

• lhci_github_app_token - (optional) Lighthouse GitHub app token
• lhci_github_token - (optional) GitHub personal access token

For more details on the implications of choosing one over the other, refer to the Lighthouse CI Getting Started Page