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Total sample size

68,370

1.0% of all 6,971,970 URLs

Web Vitals
Origin-aggregated

First Contentful Paint:

(53,227 origins)
61% 61% of page loads have a good FCP (< 1.8s).
19% 19% of page loads need to improve FCP (1.8s - 3s).
20% 20% of page loads have a poor FCP (> 3s).
(53,227 origins)

Largest Contentful Paint:

(52,727 origins)
66% 66% of page loads have a good LCP (< 2.5s).
17% 17% of page loads need to improve LCP (2.5s - 4s).
17% 17% of page loads have a poor LCP (> 4s).
(52,727 origins)

Cumulative Layout Shift:

(52,274 origins)
74% 74% of page loads have a good CLS (< 0.1).
8% 8% of page loads need to improve CLS (0.1 - 0.25).
19% 19% of page loads have a poor CLS (> 0.25).
(52,274 origins)

First Input Delay:

(39,752 origins)
89% 89% of page loads have a good FID (< 100ms).
9% 9% of page loads need to improve FID (100ms - 300ms).
3% 3% of page loads have a poor FID (> 300ms).
(39,752 origins)

Time To First Byte:

(48,395 origins)
45% 45% of page loads have a good TTFB (< 500ms).
31% 31% of page loads need to improve TTFB (500ms - 1500ms).
24% 24% of page loads have a poor TTFB (> 1500ms).
(48,395 origins)

Compressed requests
58,191 urls

  • Gzip compressed
    55.6%
  • Brotli compressed
    28.9%
  • Not compressed
    15.5%

Total Bytes
68,369 urls

  • < 200 KB
    2.1%
  • 200 KB - 400 KB
    8.3%
  • 400 KB - 600 KB
    9.3%
  • 600 KB - 800 KB
    9.4%
  • 800 KB - 1MB
    10.4%
  • > 1 MB
    60.4%

{ } JavaScript Bytes
68,369 urls

  • < 200 KB
    26.1%
  • 200 KB - 400 KB
    25.6%
  • 400 KB - 600 KB
    18.5%
  • 600 KB - 800 KB
    11.2%
  • 800 KB - 1MB
    6.6%
  • > 1 MB
    12.1%

Image Bytes
68,369 urls

  • < 200 KB
    27.4%
  • 200 KB - 400 KB
    18.2%
  • 400 KB - 600 KB
    9.5%
  • 600 KB - 800 KB
    6.7%
  • 800 KB - 1MB
    5.2%
  • > 1 MB
    33.0%
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Data from HTTP Archive and Chrome User Experience Report

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