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worldwideweb.cern.ch

Site speed audit for worldwideweb.cern.ch based on real-user data from Chrome UX Report.

worldwideweb.cern.ch
Mode:
Detailed
i
Latest
i
Pages
i
Device:
All
100%
Mobile
11%
Desktop
89%

Metrics

#
ms
TTFB

Time to First Byte

i
0.8s
Good < 0.8
77.8%
Impr.
17.5%
Poor > 1.8
4.7%
DecJanFebMarAprMayJunJulAug0.0s0.8s1.8s
FCP

First Contentful Paint

i
1.3s
Good < 1.8
84.6%
Impr.
10.5%
Poor > 3.0
4.9%
DecJanFebMarAprMayJunJulAug0.0s1.8s3.0s
LCP

Largest Contentful Paint

i
1.7s
Good < 2.5
90.5%
Impr.
7.0%
Poor > 4.0
2.5%
DecJanFebMarAprMayJunJulAug0.0s2.5s4.0s
INP

Interaction to Next Paint

i
60ms
Good < 200
95.7%
Impr.
2.6%
Poor > 500
1.7%
DecJanFebMarAprMayJunJulAug0ms100ms200ms
CLS

Cumulative Layout Shift

i
0.00
Good < 0.10
96.9%
Impr.
2.2%
Poor > 0.25
0.9%
DecJanFebMarAprMayJunJulAug0.000.030.05

Audience

#

Form Factors

i
Mobile
11.4%
Desktop
88.6%
DecJanFebMarAprMayJunJulAug0%25%50%75%100%

Round-Trip Time

i
57ms
Low < 75
84.0%
Medium
14.6%
High > 275
1.4%
DecJanFebMarAprMayJunJulAug0ms75ms275ms

LCP subparts

#

LCP Resource Types

i
Image
15.7%
Text
84.3%
DecJanFebMarAprMayJunJulAug0%25%50%75%100%

LCP Image Subparts

i
Time to First Byte
1,062ms
Resource Load Delay
279ms
Resource Load Duration
405ms
Element Render Delay
131ms
DecJanFebMarAprMayJunJulAug0.0s2.5s4.0s

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