This sounds great. Are the images pre-loaded when the user gets close, or once it's scrolled into view?
--justin On Tue, Aug 23, 2016 at 3:48 PM, Volker Eckl <[email protected]> wrote: > Amazing work! Enjoying the further speed improvements and the detailed > analysis of Japanese Wikipedia testcase. > > On Tue, Aug 23, 2016 at 2:20 PM, Jon Robson <[email protected]> wrote: > >> FYI after much experimentation, research and testing the mobile site has >> been lazy loading images [1] since Thursday 18th August. This means if you >> do not see an image you will not download it. We have taken care to ensure >> users without JavaScript can still view images and that most users will >> barely notice the difference. >> >> We are currently crunching the data this change has made and we plan to >> write a blog post to reporting the results. >> >> In our experiments on Japanese Wikipedia we saw a drop in image bytes per >> page view by 54% On the Japanese Japan article bytes shipped to users >> dropped from 1.443 MB to 142 kB. >> >> This is pretty huge since bytes equate to money [3] and we expect this to >> be significant on wikis where mobile data is more expensive. In a nutshell >> Wikipedia mobile is cheaper. >> >> As I said blog post to follow once we have more information, but please >> report any bugs you are seeing with the implementation (we have already >> found a few thanks to our community of editors). >> >> ~Jon >> >> [1] https://www.mediawiki.org/wiki/Reading/Web/Projects/Performa >> nce/Lazy_loading_images >> [2] https://www.mediawiki.org/wiki/Reading/Web/Lazy_loading_ >> of_images_on_Japanese_Wikipedia >> [3] https://whatdoesmysitecost.com/ >> >> >> >> _______________________________________________ >> Mobile-l mailing list >> [email protected] >> https://lists.wikimedia.org/mailman/listinfo/mobile-l >> >> > > _______________________________________________ > Mobile-l mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/mobile-l > >
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