Thanks for reporting. I am able to reproduce this issue with whatweb 0.4.8~git20150507-1 on Ubuntu Wily. The interesting part is that I was not able to trigger this on Debian, which means it looks an Ubuntu-only issue, though I'm not sure how.
** Tags added: vivid wily -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1464902 Title: invalid multibyte escape error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/whatweb/+bug/1464902/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs