After installatio I get this error.
Joomla version 3.3.6
PHP 5.4.32

Strict Standards: Declaration of JRouterJoomsef::parse() should be compatible with JRouter::parse(&$uri) in /home/omail/public_html/components/com_sef/sef.router.php on line 73

Strict Standards: Declaration of JRouterJoomsef::build() should be compatible with JRouter::build($url) in /home/omail/public_html/components/com_sef/sef.router.php on line 73

Strict Standards: Non-static method SEFConfig::getConfig() should not be called statically, assuming $this from incompatible context in /home/omail/public_html/plugins/system/joomsef/joomsef.php on line 40