1 page analysed for https://www.mediawiki.org/wiki...

Tested 2026-08-25 00:49:18 using Chrome (runtime settings)

The top lists point out the specific files to fix first: the largest and slowest assets across all tested pages, and the assets returning visitors have to download again.

Largest JavaScript files

7 files·494.4 KB transfer·2.1 MB size

Every JavaScript byte is downloaded, parsed and executed on the main thread, so trimming the biggest bundles pays off twice.

urltime since last modifiedcache timetransfersize
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks311.4 KB1.4 MB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks138.1 KB597.0 KB
https://www.mediawik...ki.org/w/load.php → run-1 second5 minutes20.7 KB62.6 KB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks18.1 KB61.8 KB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks2.8 KB14.6 KB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.8 KB1.8 KB
https://auth.wikimed...gin/checkLoggedIn → run-1 second0 seconds1.5 KB254 B

Largest CSS files

2 files·38.2 KB transfer·312.8 KB size

CSS blocks rendering until it is downloaded and parsed, so the biggest files delay first paint the most.

urltime since last modifiedcache timetransfersize
https://www.mediawik...ki.org/w/load.php → run-1 second5 minutes36.7 KB311.8 KB
https://www.mediawik...ki.org/w/load.php → run-1 second5 minutes1.5 KB1006 B

Largest image files

9 files·60.6 KB transfer·42.7 KB size

Images are usually the easiest bytes to win back: resize them, compress harder or switch to a modern format like AVIF or WebP.

urltime since last modifiedcache timetransfersize
https://thumb.wikime...roup_photo_01.jpg → run3 weeks0 seconds43.4 KB41.3 KB
https://thumb.wikime...structive.svg.png → run13 weeks0 seconds2.2 KB228 B
https://thumb.wikime...elpNotice.svg.png → run4 weeks0 seconds2.2 KB222 B
https://thumb.wikime..._settings.svg.png → run5 weeks0 seconds2.2 KB216 B
https://thumb.wikime...lb-yellow.svg.png → run6 days0 seconds2.2 KB176 B
https://thumb.wikime..._feedback.svg.png → run3 weeks0 seconds2.1 KB164 B
https://thumb.wikime...structive.svg.png → run9 weeks0 seconds2.1 KB162 B
https://thumb.wikime...icon_edit.svg.png → run39 weeks0 seconds2.1 KB134 B
https://thumb.wikime...on_markup.svg.png → run4 weeks0 seconds2.1 KB114 B

Largest HTML files

2 files·22.8 KB transfer·85.5 KB size

The HTML document is the first byte of everything: nothing starts rendering before it arrives.

urltime since last modifiedcache timetransfersize
https://www.mediawiki.org/wiki/MediaWiki → run13 seconds0 seconds22.8 KB85.5 KB
https://www.mediawik...alAutoLogin/start → run-1 second0 secondsN/A0 b

Largest favicon files

1 file·8.3 KB transfer·15.0 KB size

The largest favicon files across the tested pages.

urltime since last modifiedcache timetransfersize
https://www.mediawik...con/mediawiki.ico → run7 weeks1 year8.3 KB15.0 KB

Largest SVG files

9 files·18.2 KB transfer·32.5 KB size

The largest SVG files across the tested pages.

urltime since last modifiedcache timetransfersize
https://www.mediawik...dby_mediawiki.svg → run7 days1 year5.1 KB14.2 KB
https://www.mediawik...mediawikiwiki.svg → run7 weeks1 year3.1 KB10.4 KB
https://www.mediawik...imedia-button.svg → run7 weeks1 year2.4 KB3.2 KB
https://www.mediawik...wiki-wordmark.svg → run7 weeks1 year2.1 KB3.0 KB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.3 KB641 B
https://www.mediawik...nify-clip-ltr.svg → run7 days1 year1.0 KB305 B
https://www.mediawik...r-progressive.svg → run7 days1 year1.0 KB298 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB230 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB220 B

Slowest responses

10 files·91.5 KB transfer·475.6 KB size

These assets took the longest time to download. Everything that waits for them (rendering, other requests on the same connection) is held up too.

urltypetime since last modifiedcache timetransfersizetiming
https://www.mediawiki.org/wiki/MediaWiki → runhtml13 seconds0 seconds22.8 KB85.5 KB488 ms
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second5 minutes20.7 KB62.6 KB218 ms
https://www.mediawik...mediawikiwiki.svg → runsvg7 weeks1 year3.1 KB10.4 KB218 ms
https://www.mediawik...wiki-wordmark.svg → runsvg7 weeks1 year2.1 KB3.0 KB184 ms
https://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes1.5 KB1006 B180 ms
https://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes36.7 KB311.8 KB176 ms
https://www.mediawik...ki.org/w/load.php → runsvg-1 second4 weeks1.3 KB641 B103 ms
https://www.mediawik...ki.org/w/load.php → runsvg-1 second4 weeks1.1 KB220 B99 ms
https://www.mediawik...ki.org/w/load.php → runsvg-1 second4 weeks1.1 KB230 B99 ms
https://www.mediawik...nify-clip-ltr.svg → runsvg7 days1 year1.0 KB305 B98 ms

Short or no cache time

10 files·115.9 KB transfer·417.0 KB size

Assets with a short cache time are re-downloaded by returning visitors. A longer cache lifetime makes repeat visits faster for free.

urltypetime since last modifiedcache timetransfersize
https://thumb.wikime...roup_photo_01.jpg → runimage3 weeks0 seconds43.4 KB41.3 KB
https://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes36.7 KB311.8 KB
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second5 minutes20.7 KB62.6 KB
https://thumb.wikime...structive.svg.png → runimage13 weeks0 seconds2.2 KB228 B
https://thumb.wikime...elpNotice.svg.png → runimage4 weeks0 seconds2.2 KB222 B
https://thumb.wikime..._settings.svg.png → runimage5 weeks0 seconds2.2 KB216 B
https://thumb.wikime...lb-yellow.svg.png → runimage6 days0 seconds2.2 KB176 B
https://thumb.wikime...structive.svg.png → runimage9 weeks0 seconds2.1 KB162 B
https://thumb.wikime..._feedback.svg.png → runimage3 weeks0 seconds2.1 KB164 B
https://thumb.wikime...icon_edit.svg.png → runimage39 weeks0 seconds2.1 KB134 B