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

Tested 2026-09-20 11:13:04 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

5 files·495.3 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 weeks324.7 KB1.4 MB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks138.9 KB601.9 KB
https://www.mediawik...ki.org/w/load.php → run-1 second5 minutes20.9 KB63.2 KB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks9.3 KB26.9 KB
https://auth.wikimed...gin/checkLoggedIn → run-1 second0 seconds1.5 KB254 B

Largest CSS files

2 files·35.9 KB transfer·283.6 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 minutes34.3 KB282.6 KB
https://www.mediawik...ki.org/w/load.php → run-1 second5 minutes1.6 KB1006 B

Largest image files

8 files·325.2 KB transfer·310.4 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 → run7 weeks0 seconds304.1 KB301.9 KB
https://www.mediawik...uch/mediawiki.png → run10 weeks1 year7.6 KB6.8 KB
https://thumb.wikime...elpNotice.svg.png → run7 weeks0 seconds2.4 KB448 B
https://thumb.wikime..._settings.svg.png → run9 weeks0 seconds2.3 KB376 B
https://thumb.wikime...lb-yellow.svg.png → run5 weeks0 seconds2.3 KB358 B
https://thumb.wikime..._feedback.svg.png → run7 weeks0 seconds2.2 KB216 B
https://thumb.wikime...icon_edit.svg.png → run43 weeks0 seconds2.2 KB198 B
https://thumb.wikime...on_markup.svg.png → run8 weeks0 seconds2.1 KB146 B

Largest HTML files

2 files·20.0 KB transfer·63.7 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 → run2 weeks0 seconds20.0 KB63.7 KB
https://www.mediawik...alAutoLogin/start → run-1 second0 secondsN/A0 b

Largest favicon files

1 file·8.2 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 → run10 weeks1 year8.2 KB15.0 KB

Largest JSON files

1 file·1.8 KB transfer·288 B size

The largest JSON files across the tested pages.

urltime since last modifiedcache timetransfersize
https://www.mediawik...iki.org/w/api.php → run-1 second1 day1.8 KB288 B

Largest SVG files

10 files·12.5 KB transfer·6.1 KB size

The largest SVG files across the tested pages.

urltime since last modifiedcache timetransfersize
https://www.mediawik...wiki-wordmark.svg → run10 weeks1 year2.1 KB3.0 KB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.2 KB628 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB390 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB331 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.2 KB318 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.2 KB318 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB303 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB302 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB299 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB295 B

Slowest responses

10 files·85.2 KB transfer·415.0 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 → runhtml2 weeks0 seconds20.0 KB63.7 KB485 ms
https://www.mediawik...iki.org/w/api.php → runjson-1 second1 day1.8 KB288 B300 ms
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second5 minutes20.9 KB63.2 KB212 ms
https://www.mediawik...wiki-wordmark.svg → runsvg10 weeks1 year2.1 KB3.0 KB185 ms
https://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes34.3 KB282.6 KB165 ms
https://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes1.6 KB1006 B165 ms
https://www.mediawik...ki.org/w/load.php → runsvg-1 second4 weeks1.1 KB303 B103 ms
https://www.mediawik...ki.org/w/load.php → runsvg-1 second4 weeks1.1 KB390 B103 ms
https://www.mediawik...ki.org/w/load.php → runsvg-1 second4 weeks1.1 KB223 B100 ms
https://www.mediawik...ki.org/w/load.php → runsvg-1 second4 weeks1.1 KB302 B99 ms

Short or no cache time

10 files·374.7 KB transfer·649.6 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 → runimage7 weeks0 seconds304.1 KB301.9 KB
https://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes34.3 KB282.6 KB
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second5 minutes20.9 KB63.2 KB
https://thumb.wikime...elpNotice.svg.png → runimage7 weeks0 seconds2.4 KB448 B
https://thumb.wikime..._settings.svg.png → runimage9 weeks0 seconds2.3 KB376 B
https://thumb.wikime...lb-yellow.svg.png → runimage5 weeks0 seconds2.3 KB358 B
https://thumb.wikime..._feedback.svg.png → runimage7 weeks0 seconds2.2 KB216 B
https://thumb.wikime...icon_edit.svg.png → runimage43 weeks0 seconds2.2 KB198 B
https://thumb.wikime...on_markup.svg.png → runimage8 weeks0 seconds2.1 KB146 B
https://www.mediawik...iki.org/w/api.php → runjson-1 second1 day1.8 KB288 B