1 page analysed for https://vi.wikipedia.org/wiki/...

Tested 2026-08-24 22:15:38 using Firefox (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

8 files

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://vi.wikipedia...ia.org/w/load.php → run-1 second5 minutes21.3 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second4 weeks26.9 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second4 weeks18.4 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second4 weeks274.0 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second4 weeks26.5 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second4 weeks3.0 KB0 b
https://meta.wikimed...a.org/w/index.php → run50 weeks0 seconds12.2 KB0 b
https://auth.wikimed...gin/checkLoggedIn → run-1 second0 seconds1.6 KB0 b

Largest CSS files

3 files

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

urltime since last modifiedcache timetransfersize
https://vi.wikipedia...ia.org/w/load.php → run-1 second5 minutes27.4 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second5 minutes1.5 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second5 minutes3.5 KB0 b

Largest image files

9 files

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://vi.wikipedia...ons/wikipedia.png → run7 weeks1 year14.3 KB0 b
https://upload.wikim...E1%BA%A3n.svg.png → run4 weeks0 seconds2.9 KB0 b
https://upload.wikim..._%28454045%29.jpg → run46 weeks0 seconds39.1 KB0 b
https://vi.wikipedia...uch/wikipedia.png → run7 weeks1 year2.2 KB0 b
https://upload.wikim...sewindow14x14.png → run13 years0 seconds2.5 KB0 b
https://upload.wikim...-WMA_button2b.png → run33 weeks0 seconds2.9 KB0 b
https://upload.wikim...Button_resize.png → run13 years0 seconds2.1 KB0 b
https://upload.wikim...4/Button_hide.png → run13 years0 seconds2.1 KB0 b
https://upload.wikim...ropped%29.svg.png → run38 weeks0 seconds2.6 KB0 b

Largest HTML files

1 file

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

urltime since last modifiedcache timetransfersize
https://vi.wikipedia.../Vincent_van_Gogh → run3 days0 seconds140.9 KB0 b

Largest favicon files

1 file

The largest favicon files across the tested pages.

urltime since last modifiedcache timetransfersize
https://vi.wikipedia...con/wikipedia.ico → run7 weeks1 year2.0 KB0 b

Largest JSON files

1 file

The largest JSON files across the tested pages.

urltime since last modifiedcache timetransfersize
https://vi.wikipedia...dia.org/w/api.php → run-1 second1 hour4.8 KB0 b

Largest other files

1 file

The largest other files across the tested pages.

urltime since last modifiedcache timetransfersize
https://vi.wikipedia...alAutoLogin/start → run-1 second0 seconds1.1 KB0 b

Largest SVG files

10 files

The largest SVG files across the tested pages.

urltime since last modifiedcache timetransfersize
https://vi.wikipedia...a-wordmark-en.svg → run7 weeks1 year3.7 KB0 b
https://vi.wikipedia...ia-tagline-vi.svg → run7 weeks1 year6.8 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second4 weeks1.3 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second4 weeks1.5 KB0 b
https://vi.wikipedia...n-progressive.svg → run6 days1 year1.2 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second4 weeks1.3 KB0 b
https://vi.wikipedia...ia.org/w/load.php → run-1 second4 weeks1.5 KB0 b
https://vi.wikipedia...nify-clip-ltr.svg → run7 days1 year1.2 KB0 b
https://vi.wikipedia...r-progressive.svg → run7 days1 year1.2 KB0 b
https://upload.wikim...6/6c/PDF_icon.svg → run4 years0 seconds3.1 KB0 b

Slowest responses

10 files

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://vi.wikipedia.../Vincent_van_Gogh → runhtml3 days0 seconds140.9 KB0 b709 ms
https://vi.wikipedia...ia-tagline-vi.svg → runsvg7 weeks1 year6.8 KB0 b249 ms
https://vi.wikipedia...a-wordmark-en.svg → runsvg7 weeks1 year3.7 KB0 b245 ms
https://vi.wikipedia...ons/wikipedia.png → runimage7 weeks1 year14.3 KB0 b242 ms
https://vi.wikipedia...ia.org/w/load.php → runjavascript-1 second5 minutes21.3 KB0 b230 ms
https://vi.wikipedia...ia.org/w/load.php → runcss-1 second5 minutes3.5 KB0 b229 ms
https://vi.wikipedia...ia.org/w/load.php → runcss-1 second5 minutes1.5 KB0 b222 ms
https://vi.wikipedia...ia.org/w/load.php → runcss-1 second5 minutes27.4 KB0 b210 ms
https://vi.wikipedia...ia.org/w/load.php → runsvg-1 second4 weeks1.5 KB0 b118 ms
https://vi.wikipedia...ia.org/w/load.php → runsvg-1 second4 weeks1.3 KB0 b108 ms

Short or no cache time

10 files

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://upload.wikim..._%28454045%29.jpg → runimage46 weeks0 seconds39.1 KB0 b
https://vi.wikipedia...ia.org/w/load.php → runcss-1 second5 minutes27.4 KB0 b
https://vi.wikipedia...ia.org/w/load.php → runjavascript-1 second5 minutes21.3 KB0 b
https://meta.wikimed...a.org/w/index.php → runjavascript50 weeks0 seconds12.2 KB0 b
https://vi.wikipedia...dia.org/w/api.php → runjson-1 second1 hour4.8 KB0 b
https://vi.wikipedia...ia.org/w/load.php → runcss-1 second5 minutes3.5 KB0 b
https://upload.wikim...6/6c/PDF_icon.svg → runsvg4 years0 seconds3.1 KB0 b
https://upload.wikim...-WMA_button2b.png → runimage33 weeks0 seconds2.9 KB0 b
https://upload.wikim...E1%BA%A3n.svg.png → runimage4 weeks0 seconds2.9 KB0 b
https://upload.wikim...ropped%29.svg.png → runimage38 weeks0 seconds2.6 KB0 b