Summary
Detailed Summary
Pages
Domains
Toplist
Assets
1 page analysed for https://en.wikipedia.org/wiki/...
Tested 2026-07-27 21:07:35 using Chrome
(runtime settings)
Pages passing every check
0
/ 1
The page needs work; the dots show where.
https://en.wikipedia.org/wiki/Taylor_Swift
Open the page report →
Largest Contentful Paint
when the main content showed
passes
good under 2.5 s
poor over 4 s
1.224 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
flagged
good under 200 ms
poor over 600 ms
297 ms
median
Speed Index
how quickly content filled the screen
passes
good under 3.4 s
poor over 5.8 s
1.256 s
median
Page weight
bytes shipped over the wire
passes
good under 1.5 MB
poor over 2.9 MB
1.4 MB
median
Coach performance score
how well pages follow performance advice
flagged
poor under 70
good over 90
80
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/Taylor_Swift
1.224 s
0.001
297 ms
1.256 s
1.4 MB
80
→
How the median page rendered
Visual milestones
1.200 s
First Visual Change
1.224 s
First Contentful Paint
1.224 s
Largest Contentful Paint
1.256 s
Speed Index
2.666 s
Last Visual Change
7.349 s
Fully Loaded
What the median page is made of
Bytes and requests by content type
Transfer
1.4 MB
image
598.4 KB
html
381.8 KB
javascript
305.3 KB
svg
80.8 KB
css
30.3 KB
favicon
1.9 KB
plain
973 B
Requests
62
image
27
svg
22
javascript
7
css
2
html
1
favicon
1
plain
1
Coach's notes
Median scores out of 100
Performance
80
Best practice
82
Privacy
80
Overall
81
CPU
Median across all pages
Long tasks
9
Long task time
954 ms
Max Potential FID
123 ms
Where the time went
Style & layout
736 ms
Running JavaScript
388 ms
Other browser work
229 ms
Parsing HTML & CSS
192 ms
Paint & composite
146 ms
Garbage collection
23 ms
Parsing & compiling JavaScript
4 ms