Having at least authenticated sections of your site use HTTPS was standard well before 2011.
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In 2011, I (in-house corp app dev) was still stuck with HTTP services (behind a firewall, accessible only via VPN).
In 2014, public facing mobile apps using HTTP was prevalent enough to prompt name and shame campaigns. [1] My fuzzy memory suggests some banks were still using HTTP.
[1] https://arstechnica.com/information-technology/2014/08/new-w...
The solution was to enter garbage for the first login since the "re-enter your password" page was served over https. I think they fixed it before 2011, but don't have an exact record of when.