Github user soralee commented on the issue: https://github.com/apache/zeppelin/pull/2401 I just improved No 2 and 3. And, regarding No 3, there is not favicon.ico file. So, I added favicon.ico package files. - not connected page  - connected page 
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---