This is so rad, congratulations! I know this has been years in the making - it's really awesome to see it working :D
On Tue, Aug 23, 2016 at 5:11 PM Adam Baso <ab...@wikimedia.org> wrote: > Good question - the code tries to fetch the images ahead of them coming > into the viewport. That can mean upon section expansion, as well. > > On Tuesday, August 23, 2016, Justin Ormont <justin.orm...@gmail.com> > wrote: > >> 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 <vol...@wikimedia.org> >> 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 <jrob...@wikimedia.org> >>> 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/Performance/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 >>>> Mobile-l@lists.wikimedia.org >>>> https://lists.wikimedia.org/mailman/listinfo/mobile-l >>>> >>>> >>> >>> _______________________________________________ >>> Mobile-l mailing list >>> Mobile-l@lists.wikimedia.org >>> https://lists.wikimedia.org/mailman/listinfo/mobile-l >>> >>> >> _______________________________________________ > Mobile-l mailing list > Mobile-l@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/mobile-l >
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