Today I checked the error.log for nginx and noticed a lot of lines like this:
=0297/css/bootstrap.min.css HTTP/1.1", host: "mail.barbeque.tech"
2018/01/11 21:33:50 [error] 24067#0: *26466 open() "/home/user-data/www/default/static/ver=0297/css/main.min.css" failed (2: No such file or directory), client: 85.191.249.24, server: mail.barbeque.tech, request: "GET /static/ver=0297/css/main.min.css HTTP/1.1", host: "mail.barbeque.tech"
2018/01/11 21:33:50 [error] 24067#0: *26467 open() "/home/user-data/www/default/static/ver=0297/css/font-awesome.min.css" failed (2: No such file or directory), client: 85.191.249.24, server: mail.barbeque.tech, request: "GET /static/ver=0297/css/font-awesome.min.css HTTP/1.1", host: "mail.barbeque.tech"
2018/01/11 21:33:50 [error] 24067#0: *26455 open() "/home/user-data/www/default/static/ver=0297/js/libs/require/require.js" failed (2: No such file or directory), client: 85.191.249.24, server: mail.barbeque.tech, request: "GET /static/ver=0297/js/libs/require/require.js HTTP/1.1", host: "mail.barbeque.tech"
2018/01/11 21:33:55 [error] 24067#0: *26466 open() "/home/user-data/www/default/static/ver=0297/css/main.min.css" failed (2: No such file or directory), client: 85.191.249.24, server: mail.barbeque.tech, request: "GET /static/ver=0297/css/main.min.css HTTP/1.1", host: "mail.barbeque.tech"
2018/01/11 21:33:55 [error] 24067#0: *26455 open() "/home/user-data/www/default/static/ver=0297/css/bootstrap.min.css" failed (2: No such file or directory), client: 85.191.249.24, server: mail.barbeque.tech, request: "GET /static/ver=0297/css/bootstrap.min.css HTTP/1.1", host: "mail.barbeque.tech"
2018/01/11 21:33:55 [error] 24067#0: *26467 open() "/home/user-data/www/default/static/ver=0297/css/font-awesome.min.css" failed (2: No such file or directory), client: 85.191.249.24, server: mail.barbeque.tech, request: "GET /static/ver=0297/css/font-awesome.min.css HTTP/1.1", host: "mail.barbeque.tech"
2018/01/11 21:33:55 [error] 24067#0: *26465 open() "/home/user-data/www/default/static/ver=0297/js/libs/require/require.js" failed (2: No such file or directory), client: 85.191.249.24, server: mail.barbeque.tech, request: "GET /static/ver=0297/js/libs/require/require.js HTTP/1.1", host: "mail.barbeque.tech"
Looks like this should not be there 