Recently we have created new version of mobil.aftenposten.no but soon after serving it to some users we spot this tweet: https://twitter.com/Al3x4nd3rR/status/452047498111369216 . Basically titles were missing.... Then it started our effort to reproduce this bug. ... It was nightmare! First how to reproduce it: Open http://krzychukula.github.io/vw_bfcache/ in Mobile Safari. Click "Go to another page" link Leave phone for 60 seconds (longer is better) Click back button If you were lucky you should see some missing paragraphs and missing green boxes. How it looks: Bug: This one uses vw and vh for font-size. Both are 0 so we can see only 2 from 8 paragraphs. Those two are using only em for font-size. I was curious if it's only for font-size so I have added another test. I have added two boxes with width and height set in vw and vh with green background color. They parents have red background for contrast. ...
