QuickContribs

QuickContribs allows you to click in user links on Special:WikiActivity with ctrl clicked and see their contributions and deleted contributions and block them directly from the wiki activity. Feel free to post translations on the talk page.

Others features
To change default expiry and reason of block, add this before the import statements :

Then, just change  by the duration you want by default and   by the default reason you want.

Updates
2015/04/12 : Script published