The images in TDF wiki now have loading="lazy" attribute thanks to this
config option:
https://www.mediawiki.org/wiki/Manual:$wgNativeImageLazyLoading
This means that bandwidth will be saved, if you open a long page with
big images and don't scroll to the images.
People with slow connections might do some tests and let me know, if the
browsing experience is OK (is the lazy loading annoying). Pages with
lots of images can be found through here, for example:
https://wiki.documentfoundation.org/Design/VisualElements
Larger images in a long page:
https://wiki.documentfoundation.org/Marketing/Material
Web browsers optimise the moment of loading based on the connection speed:
https://timbenniks.dev/writings/the-ultimate-guide-to-modern-lazy-loading-techniques
"On faster connections the threshold is smaller. On 3G the threshold is
2500px and on 4G it is 1250px. This means that the browser will look
1250px below the current scroll position and will start loading images
within that threshold."
The feature is quite new in browsers, so I think it will be optimised
further in the near future. It is not yet in a stable version of Safari:
https://caniuse.com/loading-lazy-attr
Ilmari
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