You can see in the graph over the past ~7 years the number of images per website has increased a small amount: averages around 50-60 images per site, but the size of all the images has increased significantly, up from around 400KB of images per site to over 1,800KB, that’s over a four fold increase!
It’s obvious why this has happened, as broadband connections on Desktop devices has improved, web designers and webmasters have stopped worrying about image sizes.
The problem with this is during this same time there’s been a switch from fast Desktop PCs on fast broadband connections to mobile devices on slower networks.
Recently over 50% of connections are now on mobile devices and it’s only going to get worse, web designers and webmasters MUST design for mobile devices first.
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