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

Tested 2026-07-27 22:06:27 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·546.9 KB transfer·2.2 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 weeks369.5 KB1.5 MB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks137.5 KB591.6 KB
https://www.mediawik...ki.org/w/load.php → run-1 second5 minutes20.6 KB62.3 KB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks17.8 KB60.5 KB
https://auth.wikimed...gin/checkLoggedIn → run-1 second0 seconds1.5 KB254 B

Largest CSS files

2 files·40.8 KB transfer·338.2 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 minutes39.3 KB337.2 KB
https://www.mediawik...ki.org/w/load.php → run-1 second5 minutes1.6 KB1006 B

Largest image files

1 file·4.0 KB transfer·2.2 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://upload.wikim...2020-icon.svg.png → run8 weeks0 seconds4.0 KB2.2 KB

Largest HTML files

2 files·26.0 KB transfer·94.4 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/Download → run24 hours0 seconds26.0 KB94.4 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 → run3 weeks1 year8.3 KB15.0 KB

Largest SVG files

10 files·14.6 KB transfer·16.4 KB size

The largest SVG files across the tested pages.

urltime since last modifiedcache timetransfersize
https://www.mediawik...mediawikiwiki.svg → run3 weeks1 year3.1 KB10.4 KB
https://www.mediawik...wiki-wordmark.svg → run3 weeks1 year2.1 KB3.0 KB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.3 KB641 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.2 KB445 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.2 KB387 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.2 KB367 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.2 KB360 B
https://www.mediawik...r-progressive.svg → run5 days1 year1.0 KB298 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB298 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB297 B

Slowest responses

10 files·485.1 KB transfer·2.1 MB 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.mediawik...ki.org/w/load.php → runcss-1 second5 minutes39.3 KB337.2 KB1.020 s
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second4 weeks369.5 KB1.5 MB823 ms
https://www.mediawiki.org/wiki/Download → runhtml24 hours0 seconds26.0 KB94.4 KB494 ms
https://upload.wikim...2020-icon.svg.png → runimage8 weeks0 seconds4.0 KB2.2 KB316 ms
https://www.mediawik...mediawikiwiki.svg → runsvg3 weeks1 year3.1 KB10.4 KB155 ms
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second5 minutes20.6 KB62.3 KB153 ms
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second4 weeks17.8 KB60.5 KB120 ms
https://www.mediawik...wiki-wordmark.svg → runsvg3 weeks1 year2.1 KB3.0 KB104 ms
https://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes1.6 KB1006 B102 ms
https://www.mediawik...ki.org/w/load.php → runsvg-1 second4 weeks1.1 KB223 B99 ms

Short or no cache time

5 files·66.9 KB transfer·402.9 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://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes39.3 KB337.2 KB
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second5 minutes20.6 KB62.3 KB
https://upload.wikim...2020-icon.svg.png → runimage8 weeks0 seconds4.0 KB2.2 KB
https://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes1.6 KB1006 B
https://auth.wikimed...gin/checkLoggedIn → runjavascript-1 second0 seconds1.5 KB254 B