Last modified: 2014-02-04 21:48:56 UTC
The site certificate is not trusted in all web browsers. Chrome for Android, for instance, shows a warning when visiting https://tools.wmflabs.org. Adding an intermediate certificate should fix this, per https://www.sslshopper.com/ssl-checker.html#hostname=tools.wmflabs.org
*** This bug has been marked as a duplicate of bug 52630 ***