On many sites, if you use their search box, next time you start typing the site's URL in Chrome you can press TAB to search the site directly. I think similar things work in other browsers like Firefox too. Q2A should add support for this!
See here for more details: http://stackoverflow.com/questions/7630144/how-to-add-google-chrome-omnibox-search-support-for-your-site
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.