Page not found (404)

Request Method: GET
Request URL: http://www.shadrinsk.info/tags/%D0%A8%D0%9F%D0%9A/

No Tag found matching "%D0%A8%D0%9F%D0%9A".

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.