www.coursera.org

Site speed audit for www.coursera.org based on real-user data from Chrome UX Report

All
Mobile
Desktop
In-Depth
Latest

Metrics

TTFB

Time to First Byte

i
2.4
Good < 0.8
17.8%
Impr.
40.4%
Poor > 1.8
41.8%
AMJJASONDJFM0s0.8s1.8s
FCP

First Contentful Paint

i
3.4s
Good < 1.8
35.8%
Impr.
31.6%
Poor > 3.0
32.6%
AMJJASONDJFM0s1.8s3s
LCP

Largest Contentful Paint

i
4.1s
Good < 2.5
48.5%
Impr.
25.0%
Poor > 4.0
26.5%
AMJJASONDJFM0s2.5s4s
INP

Interaction to Next Paint

i
250
Good < 200
68.0%
Impr.
20.8%
Poor > 500
11.2%
AMJJASONDJFM0ms200ms500ms
CLS

Cumulative Layout Shift

i
0.05
Good < 0.10
79.1%
Impr.
11.2%
Poor > 0.25
9.7%
AMJJASONDJFM00.10.25

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Audience

Form Factors

i
Mobile
33.2%
Desktop
65.6%
Tablet
1.1%
MAMJJASONDJFM0%25%50%75%100%

Round-Trip Time

i
150ms
Low < 75
40.9%
Medium
48.0%
High > 275
11.1%
AMJJASONDJFM0ms75ms275ms

Navigation Types

i
Navigate
85.1%
Cache
0.0%
Back-Forward
6.7%
Bfcache
0.0%
Reload
5.8%
Restore
1.1%
Prerender
1.3%
MAMJJASONDJFM0%25%50%75%100%

Popularity Rank

i
Top 5,000
MAMJJASONDJFM10M1M100K10K1K

Geography

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