Summary
Detailed Summary
Pages
Domains
Toplist
Assets
1 page analysed for https://en.wikipedia.org/wiki/...
Tested 2026-08-24 20:55:30 using Chrome
(runtime settings)
Pages passing every check
0
/ 1
The page needs work; the dots show where.
https://en.wikipedia.org/wiki/Barack_Obama
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
0.001
median
Total Blocking Time
how long the main thread was blocked
passes
good under 200 ms
poor over 600 ms
142 ms
median
Speed Index
how quickly content filled the screen
passes
good under 3.4 s
poor over 5.8 s
1.254 s
median
Page weight
bytes shipped over the wire
passes
good under 1.5 MB
poor over 2.9 MB
893.9 KB
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/Barack_Obama
1.188 s
0.001
142 ms
1.254 s
893.9 KB
84
→
How the median page rendered
Visual milestones
1.188 s
First Contentful Paint
1.188 s
Largest Contentful Paint
1.200 s
First Visual Change
1.254 s
Speed Index
2.172 s
Fully Loaded
2.233 s
Last Visual Change
What the median page is made of
Bytes and requests by content type
Transfer
893.9 KB
html
412.9 KB
javascript
284.5 KB
image
82.3 KB
svg
80.9 KB
css
30.5 KB
favicon
1.8 KB
plain
905 B
Requests
45
svg
23
image
9
javascript
7
css
2
html
1
favicon
1
plain
1
Coach's notes
Median scores out of 100
Performance
84
Best practice
78
Privacy
80
Overall
82
CPU
Median across all pages
Long tasks
5
Long task time
631 ms
Max Potential FID
112 ms
Where the time went
Style & layout
699 ms
Running JavaScript
333 ms
Other browser work
224 ms
Parsing HTML & CSS
181 ms
Paint & composite
111 ms
Garbage collection
17 ms
Parsing & compiling JavaScript
3 ms