this post was submitted on 04 Jul 2025
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Does Firefox have a good way to see how big a page is with all the images and other media that are embedded in it? I know about the Page Info button, but i think that only tells me the size of the page's HTML file and loaded media separately. As far as i can tell, it doesn't measure external CSS at all. And the numbers it does give me for my own site are different from the numbers i see from my computer's file browser on my local backup of my website. So is there a good way to know how big a page i visit is?

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[–] Maiq@lemy.lol 7 points 3 days ago (5 children)

Developer Options -> Network then add all the entries in the Size column. Is that what your looking for?

[–] IndigoGollum@lemmy.world 2 points 3 days ago (4 children)

That's exactly what i was looking for. Thanks. I mostly want an easy way to make sure none of my web pages are too big, so looking in Developer Options makes sense.

[–] 0_o7@lemmy.dbzer0.com 2 points 3 days ago (1 children)

The shortcut is Ctrl + Shift + E to directly go to the network tab. You can do this on a new tab even before you enter the url of the website.

Also, you might want to keep the network tab open a little longer because some content and media will only load after the web page has completely loaded.

[–] BlackEco@lemmy.blackeco.com 2 points 3 days ago

In addition I would advice to scroll all the way down, as nowadays most media is lazy-loaded.

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