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

Tested 2026-09-20 12:51:35 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

6 files·545.8 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 weeks363.4 KB1.5 MB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks139.0 KB602.2 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 weeks18.2 KB62.2 KB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks2.8 KB14.6 KB
https://auth.wikimed...gin/checkLoggedIn → run-1 second0 seconds1.5 KB254 B

Largest CSS files

2 files·38.2 KB transfer·311.4 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 KB310.4 KB
https://www.mediawik...ki.org/w/load.php → run-1 second5 minutes1.6 KB1006 B

Largest image files

8 files·19.7 KB transfer·3.9 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...ject_6674.svg.png → run2 days0 seconds2.9 KB940 B
https://thumb.wikime...guage-ltr.svg.png → run7 weeks0 seconds2.7 KB734 B
https://thumb.wikime...ject_1306.svg.png → run5 weeks0 seconds2.5 KB582 B
https://thumb.wikime...ject_4032.svg.png → run5 weeks0 seconds2.5 KB510 B
https://thumb.wikime...ject_1171.svg.png → run12 weeks0 seconds2.5 KB506 B
https://thumb.wikime..._book-ltr.svg.png → run4 weeks0 seconds2.2 KB254 B
https://thumb.wikime...bbles-ltr.svg.png → run9 weeks0 seconds2.2 KB226 B
https://thumb.wikime...n_message.svg.png → run3 weeks0 seconds2.2 KB222 B

Largest HTML files

2 files·28.6 KB transfer·104.3 KB size

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

urltime since last modifiedcache timetransfersize
https://www.mediawik...How_to_contribute → run1 day0 seconds28.6 KB104.3 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 → run10 weeks1 year8.3 KB15.0 KB

Largest SVG files

5 files·8.7 KB transfer·14.5 KB size

The largest SVG files across the tested pages.

urltime since last modifiedcache timetransfersize
https://www.mediawik...mediawikiwiki.svg → run10 weeks1 year3.1 KB10.4 KB
https://www.mediawik...wiki-wordmark.svg → run10 weeks1 year2.1 KB3.0 KB
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.3 KB641 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB243 B
https://www.mediawik...ki.org/w/load.php → run-1 second4 weeks1.1 KB220 B

Slowest responses

10 files·477.0 KB transfer·2.0 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 → runjavascript-1 second4 weeks363.4 KB1.5 MB560 ms
https://www.mediawik...How_to_contribute → runhtml1 day0 seconds28.6 KB104.3 KB504 ms
https://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes36.7 KB310.4 KB324 ms
https://www.mediawik...ki.org/w/load.php → runsvg-1 second4 weeks1.1 KB220 B210 ms
https://www.mediawik...ki.org/w/load.php → runsvg-1 second4 weeks1.3 KB641 B207 ms
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second5 minutes20.9 KB63.2 KB137 ms
https://www.mediawik...mediawikiwiki.svg → runsvg10 weeks1 year3.1 KB10.4 KB137 ms
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second4 weeks18.2 KB62.2 KB122 ms
https://www.mediawik...wiki-wordmark.svg → runsvg10 weeks1 year2.1 KB3.0 KB104 ms
https://www.mediawik...ki.org/w/load.php → runcss-1 second5 minutes1.6 KB1006 B103 ms

Short or no cache time

10 files·77.3 KB transfer·377.5 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 minutes36.7 KB310.4 KB
https://www.mediawik...ki.org/w/load.php → runjavascript-1 second5 minutes20.9 KB63.2 KB
https://thumb.wikime...ject_6674.svg.png → runimage2 days0 seconds2.9 KB940 B
https://thumb.wikime...guage-ltr.svg.png → runimage7 weeks0 seconds2.7 KB734 B
https://thumb.wikime...ject_1306.svg.png → runimage5 weeks0 seconds2.5 KB582 B
https://thumb.wikime...ject_4032.svg.png → runimage5 weeks0 seconds2.5 KB510 B
https://thumb.wikime...ject_1171.svg.png → runimage12 weeks0 seconds2.5 KB506 B
https://thumb.wikime..._book-ltr.svg.png → runimage4 weeks0 seconds2.2 KB254 B
https://thumb.wikime...bbles-ltr.svg.png → runimage9 weeks0 seconds2.2 KB226 B
https://thumb.wikime...n_message.svg.png → runimage3 weeks0 seconds2.2 KB222 B