2015 is good enough. For example instead of grid center, one can use flex and margin auto. If you are building really nation-wide products, there are still a lot of guys in corporate with old windows (where even chrome stopped updating like win7). Or, you know, old or poor people with PC from 2008. Also don’t forget guys with mobile phones: not like one could easily install a browser there. Especially on phones which…
I dare you to find any analytics, anywhere, that show any IE 11 usage. It would be utterly negligent to still be running IE in a corporate environment. It’s a huge security risk.
Results may also be skewed because IE mode in Edge will masquerade as IE.
> Internet Explorer mode in Microsoft Edge enables backward compatibility and will be supported through at least 2029.
https://learn.microsoft.com/en-us/lifecycle/announcements/in...