Summary
Detailed Summary
Pages
Domains
Toplist
Assets
1 page analysed for https://www.mediawiki.org/wiki...
Tested 2026-09-24 05:42:23 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/MediaWiki
Open the page report →
Largest Contentful Paint
when the main content showed
passes
good under 2.5 s
poor over 4 s
1.660 s
median
Cumulative Layout Shift
how much the layout jumped
flagged
good under 0.1
poor over 0.25
0.349
median
Total Blocking Time
how long the main thread was blocked
flagged
good under 200 ms
poor over 600 ms
578 ms
median
Speed Index
how quickly content filled the screen
passes
good under 3.4 s
poor over 5.8 s
1.270 s
median
Page weight
bytes shipped over the wire
passes
good under 1.5 MB
poor over 2.9 MB
911.4 KB
median
Coach performance score
how well pages follow performance advice
flagged
poor under 70
good over 90
81
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/MediaWiki
1.660 s
0.349
578 ms
1.270 s
911.4 KB
81
→
How the median page rendered
Visual milestones
856 ms
First Contentful Paint
867 ms
First Visual Change
1.270 s
Speed Index
1.660 s
Largest Contentful Paint
2.267 s
Last Visual Change
2.986 s
Fully Loaded
What the median page is made of
Bytes and requests by content type
Transfer
911.4 KB
javascript
497.3 KB
image
333.8 KB
css
35.9 KB
html
19.7 KB
svg
14.6 KB
favicon
8.3 KB
json
1.8 KB
Requests
31
svg
12
image
8
javascript
5
css
2
html
1
favicon
1
json
1
Coach's notes
Median scores out of 100
Performance
81
Best practice
60
Privacy
77
Overall
77
CPU
Median across all pages
Long tasks
8
Long task time
1.031 s
Max Potential FID
258 ms
Where the time went
Running JavaScript
1.399 s
Other browser work
586 ms
Style & layout
510 ms
Parsing HTML & CSS
158 ms
Paint & composite
110 ms
Parsing & compiling JavaScript
31 ms
Garbage collection
19 ms