Summary
Detailed Summary
Pages
Domains
Toplist
Assets
1 page analysed for https://www.mediawiki.org/wiki...
Tested 2026-07-27 23:57:57 using Chrome
(runtime settings)
Pages passing every check
0
/ 1
The page is below the bar; the dots show where.
https://www.mediawiki.org/wiki/Download
Open the page report →
Largest Contentful Paint
when the main content showed
passes
good under 2.5 s
poor over 4 s
1.440 s
median
Cumulative Layout Shift
how much the layout jumped
passes
good under 0.1
poor over 0.25
0.026
median
Total Blocking Time
how long the main thread was blocked
flagged
good under 200 ms
poor over 600 ms
1.204 s
median
Speed Index
how quickly content filled the screen
passes
good under 3.4 s
poor over 5.8 s
1.370 s
median
Page weight
bytes shipped over the wire
passes
good under 1.5 MB
poor over 2.9 MB
637.1 KB
median
Coach performance score
how well pages follow performance advice
flagged
poor under 70
good over 90
86
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
poor
https://www.mediawiki.org/wiki/Download
1.440 s
0.026
1.204 s
1.370 s
637.1 KB
86
→
How the median page rendered
Visual milestones
860 ms
First Contentful Paint
867 ms
First Visual Change
1.370 s
Speed Index
1.440 s
Largest Contentful Paint
3.003 s
Fully Loaded
3.033 s
Last Visual Change
What the median page is made of
Bytes and requests by content type
Transfer
637.1 KB
javascript
542.0 KB
css
38.4 KB
html
23.0 KB
svg
16.0 KB
favicon
8.3 KB
image
7.6 KB
json
1.8 KB
Requests
25
svg
13
javascript
5
css
2
html
1
image
1
favicon
1
json
1
Coach's notes
Median scores out of 100
Performance
86
Best practice
89
Privacy
80
Overall
84
CPU
Median across all pages
Long tasks
12
Long task time
1.880 s
Max Potential FID
381 ms
Where the time went
Running JavaScript
1.702 s
Style & layout
572 ms
Other browser work
543 ms
Parsing HTML & CSS
188 ms
Paint & composite
141 ms
Parsing & compiling JavaScript
35 ms
Garbage collection
17 ms