chrome-devtools-frontend/front_end/models/ai_assistance/data_formatters/LighthouseFormatter.snapshot.txt

Chrome DevTools UI

Title: LighthouseFormatter generates a summary
Content:
# Lighthouse Report Summary
URL: https://example.com
Fetch Time: 2025-01-01T00:00:00.000Z
Lighthouse Version: 12.0.0

## Category Scores
- Performance: 80
- Accessibility: 100
=== end content

Title: LighthouseFormatter generates audits for a category
Content:
# Audits for Performance

The following audits in this category have a score below 90 and may need attention:
- **First Audit**: 80 (1.2s)
  * Description of first audit
=== end content

Title: LighthouseFormatter indicates when all audits passed
Content:
# Audits for Accessibility

All audits in this category passed (score >= 90).
=== end content

Title: LighthouseFormatter handles missing category
Content:
Category "seo" not found.
=== end content

Title: LighthouseFormatter formats table details
Content:
# Audits for Performance

The following audits in this category have a score below 90 and may need attention:
- **Table Audit**: 50
  * Audit with a table

    - Item:
      * **URL**: https://example.com/script.js
      * **Wasted Bytes**: 1 kB
      * **Node**: div.main
      * **Node path**: 1,HTML,1,BODY,5,DIV
      * **Location**: https://example.com/script.js:10:5
    - Item:
      * **URL**: https://example.com/style.css
      * **Wasted Bytes**: 512 B
      * **Node**: body > p
      * **Node path**: 1,HTML,1,BODY,10,P
      * **Location**: https://example.com/style.css
=== end content

Title: LighthouseFormatter formats opportunity details
Content:
# Audits for Performance

The following audits in this category have a score below 90 and may need attention:
- **Opportunity Audit**: 50
  * Audit with an opportunity

    Potential savings: 500ms, Potential savings: 2048 bytes
    - Item:
      * **URL**: https://example.com/large-script.js
      * **Wasted Bytes**: 2 kB
=== end content

Title: LighthouseFormatter formats table details with summary
Content:
# Audits for Performance

The following audits in this category have a score below 90 and may need attention:
- **Summary Audit**: 50
  * Audit with a table summary

    Wasted time: 100ms
    Wasted bytes: 512
    - Item:
      * **Text**: Some detail
=== end content

Title: LighthouseFormatter formats landmark-one-main audit with node explanation
Content:
# Audits for Accessibility

The following audits in this category have a score below 90 and may need attention:
- **Document does not have a main landmark.**: 0
  * One main landmark helps screen reader users navigate a web page. [Learn more about landmarks](https://dequeuniversity.com/rules/axe/4.11/landmark-one-main).

    - Item:
      * **Failing Elements**: html
      * **Failing Elements path**: 1,HTML
      * **Failing Elements explanation**: Fix all of the following:   Document does not have a main landmark
=== end content

Title: LighthouseFormatter formats table details with subItems
Content:
# Audits for Performance

The following audits in this category have a score below 90 and may need attention:
- **SubItems Audit**: 50
  * Audit with subItems

    - Item:
      * **URL**: https://example.com/script.js
        * Failed to load sourcemap
        * Another error
      * **Map URL**: https://example.com/script.js.map
=== end content

Title: LighthouseFormatter formats image-delivery-insight audit from realistic data
Content:
# Audits for Performance

The following audits in this category have a score below 90 and may need attention:
- **Improve image delivery**: 50 (Est savings of 35 KiB)
  * Reducing the download time of images can improve the perceived load time of the page and LCP. [Learn more about optimizing image size](https://developer.chrome.com/docs/performance/insights/image-delivery)

    - Item:
      * **node**: div.devsite-landing-row-item-media > figure.devsite-landing-row-item-image > picture > img
      * **node path**: 1,HTML,1,BODY,2,SECTION,6,SECTION,0,MAIN,1,DEVSITE-CONTENT,0,ARTICLE,4,DIV,0,SECTION,0,DIV,0,DIV,0,DIV,0,DIV,0,FIGURE,0,PICTURE,0,IMG
      * **URL**: https://web.dev/static/images/home-blue_856.png
        * This image file is larger than it needs to be (856x505) for its displayed dimensions (568x335). Use responsive images to reduce the image download size.
      * **Resource Size**: 33.3 kB
      * **Est Savings**: 18.6 kB
    - Item:
      * **node**: figure.devsite-landing-row-item-image > a > picture > img
      * **node path**: 1,HTML,1,BODY,2,SECTION,6,SECTION,0,MAIN,1,DEVSITE-CONTENT,0,ARTICLE,4,DIV,1,SECTION,0,DIV,0,DIV,3,DIV,0,DIV,0,FIGURE,0,A,0,PICTURE,0,IMG
      * **URL**: https://web.dev/static/identity/image/hero-identity_480.png
        * This image file is larger than it needs to be (1296x881) for its displayed dimensions (632x430). Use responsive images to reduce the image download size.
      * **Resource Size**: 22.2 kB
      * **Est Savings**: 16.9 kB
=== end content