Home : Basic HTML/CSS tutorial : Images etc. : Page size and download time
Introduction
Preparing images
Images in HTML
Page size
Summary
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Page size and download time

Images can really make page size large, so you should be especially careful about the size of all images.

For example, a 50 KB image file is not very big in most circumstances: on the Web, that same image will take most people around 25 seconds to download! In general, the maximum acceptable page loading time (in good circumstances over a modem) is around 15 seconds, so most pages should be about 30 KB or smaller in total (including the HTML file and all images).

You can help reduce download size by: