Summary
Detailed Summary
Pages
Domains
Toplist
Assets
1 page analysed for https://www.mediawiki.org/wiki...
Tested 2026-09-20 14:34:56 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
1.928 s
median
Cumulative Layout Shift
how much the layout jumped
flagged
good under 0.1
poor over 0.25
0.542
median
Total Blocking Time
how long the main thread was blocked
flagged
good under 200 ms
poor over 600 ms
607 ms
median
Speed Index
how quickly content filled the screen
passes
good under 3.4 s
poor over 5.8 s
1.225 s
median
Page weight
bytes shipped over the wire
passes
good under 1.5 MB
poor over 2.9 MB
901.2 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
1.928 s
0.542
607 ms
1.225 s
901.2 KB
81
→
How the median page rendered
Visual milestones
967 ms
First Visual Change
968 ms
First Contentful Paint
1.225 s
Speed Index
1.928 s
Largest Contentful Paint
2.467 s
Last Visual Change
2.916 s
Fully Loaded
What the median page is made of
Bytes and requests by content type
Transfer
901.2 KB
javascript
495.3 KB
image
325.2 KB
css
35.9 KB
html
20.0 KB
svg
14.6 KB
favicon
8.2 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
9
Long task time
1.073 s
Max Potential FID
257 ms
Where the time went
Running JavaScript
1.408 s
Other browser work
581 ms
Style & layout
514 ms
Parsing HTML & CSS
164 ms
Paint & composite
110 ms
Parsing & compiling JavaScript
29 ms
Garbage collection
20 ms