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Total sample size

165,864

2.4% of all 6,903,239 URLs

Web Vitals
Origin-aggregated

First Contentful Paint:

(136,290 origins)
66% 66% of page loads have a good FCP (< 1.8s).
19% 19% of page loads need to improve FCP (1.8s - 3s).
15% 15% of page loads have a poor FCP (> 3s).
(136,290 origins)

Largest Contentful Paint:

(135,233 origins)
66% 66% of page loads have a good LCP (< 2.5s).
18% 18% of page loads need to improve LCP (2.5s - 4s).
16% 16% of page loads have a poor LCP (> 4s).
(135,233 origins)

Cumulative Layout Shift:

(134,568 origins)
69% 69% of page loads have a good CLS (< 0.1).
9% 9% of page loads need to improve CLS (0.1 - 0.25).
22% 22% of page loads have a poor CLS (> 0.25).
(134,568 origins)

First Input Delay:

(116,427 origins)
86% 86% of page loads have a good FID (< 100ms).
10% 10% of page loads need to improve FID (100ms - 300ms).
4% 4% of page loads have a poor FID (> 300ms).
(116,427 origins)

Time To First Byte:

(135,207 origins)
49% 49% of page loads have a good TTFB (< 500ms).
35% 35% of page loads need to improve TTFB (500ms - 1500ms).
15% 15% of page loads have a poor TTFB (> 1500ms).
(135,207 origins)

Compressed requests
150,610 urls

  • Gzip compressed
    61.1%
  • Brotli compressed
    21.8%
  • Not compressed
    17.1%

Total Bytes
165,864 urls

  • < 200 KB
    0.1%
  • 200 KB - 400 KB
    0.4%
  • 400 KB - 600 KB
    1.3%
  • 600 KB - 800 KB
    2.2%
  • 800 KB - 1MB
    4.4%
  • > 1 MB
    91.7%

{ } JavaScript Bytes
165,864 urls

  • < 200 KB
    1.7%
  • 200 KB - 400 KB
    7.8%
  • 400 KB - 600 KB
    16.8%
  • 600 KB - 800 KB
    18.5%
  • 800 KB - 1MB
    14.4%
  • > 1 MB
    40.8%

Image Bytes
165,864 urls

  • < 200 KB
    12.3%
  • 200 KB - 400 KB
    10.7%
  • 400 KB - 600 KB
    9.9%
  • 600 KB - 800 KB
    8.8%
  • 800 KB - 1MB
    7.3%
  • > 1 MB
    51.1%
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Data from HTTP Archive and Chrome User Experience Report

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