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Core Web Vitals

This page details results from metrics that Google has deemed Core Web Vitals . For more information about these metrics and their significance, check out our Core Web Vitals Guide.

Observed Web Vitals Metrics (Collected in this WPT test run)

Largest Contentful Paint

1.31S

Cumulative Layout Shift

0.001

Total Blocking Time

.09S

Largest Contentful Paint (1308ms)

View as Filmstrip - View Video - About Largest Contentful Paint (LCP)

200ms
1500ms
1700ms

LCP Event Summary

See full details

Time1308ms
Size531745px²
Typeimage
Element TypeIMG
Srchttps://demo.mage-os.org/media/wysiwyg/home/home-main.jpg
Outer HTML<img src="https://demo.mage-os.org/media/wysiwyg/home/home-main.jpg" alt="">...

LCP: 1308 ms

Start Render
First Contentful Paint
Largest Contentful Paint
Layout Shift
DOM Interactive
DOM Content Loaded
On Load
Document Complete
Render Blocking Resource Insecure Request 3xx response4xx+ response
 Doesn't Belong to Main Doc 
Step_1 1: https://demo.mage-os.org/ 2: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/mage/calendar.css 3: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/css/styles-m.css 4: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/jquery/uppy/dist/uppy-custom.css 5: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/css/styles-l.css 6: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/requirejs/require.js 7: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/mage/requirejs/mixins.js 8: https://demo.mage-os.org/media/styles.css 9: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/requirejs-config.js 10: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/fonts/opensans/light/opensans-300.woff2 11: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/fonts/opensans/regular/opensans-400.woff2 12: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/fonts/opensans/semibold/opensans-600.woff2 13: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/fonts/opensans/bold/opensans-700.woff2 14: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/fonts/Luma-Icons.woff2 15: https://demo.mage-os.org/static/version1769519161/frontend/Magento/luma/en_US/images/logo.svg 16: https://demo.mage-os.org/media/wysiwyg/home/home-main.jpg 17: https://demo.mage-os.org/media/wysiwyg/home/home-pants.jpg 18: https://demo.mage-os.org/media/wysiwyg/home/home-t-shirts.png 19: https://demo.mage-os.org/media/wysiwyg/home/home-erin.jpg

LCP Image (BPP: 0.91)

Full LCP Event Information

  • time: 1308
  • size: 531745
  • element:
    • nodeName: IMG
    • boundingRect:
      • x: 55.5
      • y: 251.953125
      • width: 1280
      • height: 460
      • top: 251.953125
      • right: 1335.5
      • bottom: 711.953125
      • left: 55.5
    • outerHTML: <img src="https://demo.mage-os.org/media/wysiwyg/home/home-main.jpg" alt="">
    • src: https://demo.mage-os.org/media/wysiwyg/home/home-main.jpg
    • currentSrc: https://demo.mage-os.org/media/wysiwyg/home/home-main.jpg
    • content: normal
  • type: image
  • url: https://demo.mage-os.org/media/wysiwyg/home/home-main.jpg
  • objectSize: 67054 bytes

Cumulative Layout Shift (0.001)

View as Filmstrip - View Video - About Cumulative Layout Shift (CLS)

Window 1 (0.001)

Hover over any image to see the previous frame and the effect of the layout shift.

  • 4106ms (0.00086)

Total Blocking Time (88 ms)

About Total Blocking Time (TBT)


View in Chrome Dev Tools Performance Panel

Main Thread Blocking Time by Script Origin

Script Origin Blocking Time (ms)
demo.mage-os.org3