To check that link without leaving the page just ALT+ClickAlink! A convenient tree style navigation. To close link ALT+ClinkThatLink again.
If you think this add-on violates Mozilla's add-on policies or has security or privacy issues, please report these issues to Mozilla using this form.
Please don't use this form to report bugs or request add-on features; this report will be sent to Mozilla and not to the add-on developer.