Summary
Detailed Summary
Pages
Domains
Toplist
Assets
1 page analysed for https://en.wikipedia.org/wiki/...
Tested 2026-09-20 12:02:08 using Chrome
(runtime settings)
Pages passing every check
0
/ 1
The page needs work; the dots show where.
https://en.wikipedia.org/wiki/United_States
Open the page report →
Largest Contentful Paint
when the main content showed
passes
good under 2.5 s
poor over 4 s
1.188 s
median
Cumulative Layout Shift
how much the layout jumped
passes
good under 0.1
poor over 0.25
0.034
median
Total Blocking Time
how long the main thread was blocked
flagged
good under 200 ms
poor over 600 ms
224 ms
median
Speed Index
how quickly content filled the screen
passes
good under 3.4 s
poor over 5.8 s
1.397 s
median
Page weight
bytes shipped over the wire
passes
good under 1.5 MB
poor over 2.9 MB
1.0 MB
median
Coach performance score
how well pages follow performance advice
flagged
poor under 70
good over 90
84
median
The dot on each track is your page; click it to open the page report.
Page by page
Worst first · median of the runs · click a page for its full report
Verdict
Page
LCP
CLS
TBT
Speed Index
Weight
Coach
needs work
https://en.wikipedia.org/wiki/United_States
1.188 s
0.034
224 ms
1.397 s
1.0 MB
84
→
How the median page rendered
Visual milestones
1.166 s
First Visual Change
1.188 s
First Contentful Paint
1.188 s
Largest Contentful Paint
1.397 s
Speed Index
2.833 s
Last Visual Change
2.907 s
Fully Loaded
What the median page is made of
Bytes and requests by content type
Transfer
1.0 MB
html
474.0 KB
javascript
294.4 KB
image
154.4 KB
svg
85.7 KB
css
30.2 KB
json
2.0 KB
favicon
1.8 KB
plain
905 B
Requests
54
svg
23
image
17
javascript
8
css
2
html
1
favicon
1
plain
1
json
1
Coach's notes
Median scores out of 100
Performance
84
Best practice
75
Privacy
80
Overall
81
CPU
Median across all pages
Long tasks
6
Long task time
768 ms
Max Potential FID
155 ms
Where the time went
Style & layout
929 ms
Running JavaScript
369 ms
Other browser work
267 ms
Parsing HTML & CSS
188 ms
Paint & composite
186 ms
Garbage collection
23 ms
Parsing & compiling JavaScript
3 ms