This commit implements 2 new metrics/stats in the /about page for the _estimated_ numbers of unique visitors from the EU and the rest of the world. This new feature is currently off by default, but it can be enabled by turning on the hidden `display_eu_visitor_stats` site settings via the rails console.
There are a number of assumptions that we're making here in order to estimate the number of unique visitors, specifically:
1. we're assuming that the average of page views per anonymous visitor is similar to the average number of page views that a logged-in visitor makes, and
2. we're assuming that the ratio of logged in visitors from the EU is similar to the ratio of anonymous visitors from the EU
Discourse keeps track of the number of both logged-in and anonymous page views, and also the number of unique logged-in visitors and where they're from. So with those numbers and the assumptions above, we can estimate the number of unique anonymous visitors from the EU and the rest of the world.
Internal topic: t/128480.
This commit continues on work laid out by 6039b513fe to redesign the /about page. In this commit, we add sections for showing the site admins and moderators.
The lists of admins and moderators display the 10 most recently seen admins/moderators, with a button to display the rest of admins or moderators. Admins or moderators that have not logged in to the site in the last year will not be shown. Clicking on an admin's or moderator's name/avatar will show their user card.
This commit continues on work laid out by 6039b513fe to redesign the /about page. In this commit, we add the site age and a section on the right hand side to show site activities/statistics such as topics, posts, sign-ups, likes etc.
This commit introduces the foundation for a new design for the /about page that we're currently working on. The current version will remain available and still be the default until we finish the new version and are ready to roll out. To opt into the new version right now, add one or more group to the `experimental_redesigned_about_page_groups` site setting and members in those groups will get the new version.
Internal topic: t/128545.
Run `prettier --write "app/assets/stylesheets/**/*.scss" "plugins/**/*.scss"` after making sure you installed it with `yarn`
It's recommended to configure your editor to run prettier on file save.
