GNU tools, Best tools

But Google Analytics is Bad. :/
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Feature Request: Would you like to add some address bar indicators to auto get and show out infomation of current page? Just like:

Indicator icon: Region flags by IP; Little indicators at the corner of the flag icon shows latency by ping and hops by traceroute.
Hovering tooltips or click-out popover shows detailed info in a form: each connected domains of current page, and their corresponding IP (IPv4 or IPv6), name servers, traceroutes, pings, locations and protocol types.

And hope could add sidebar support.