The article contains a multi-dimensional analysis of the activity of the Democratic Left Alliance (Sojusz Lewicy Demokratycznej, SLD) on the Internet during the parliamentary elections campaign in 2011. The scope of observation and analysis of the SLD’s activity allows to reconstruct and evaluate patterns of political culture in the following three dimensions: 1) programme offer dimension – including the scope and content of the election platform, 2) communicational and social dimension – focusing on the types and kinds of rhetorical expression, attitudes towards competitors, political opponents, and the electorate, and 3) technical dimension – encompassing aesthetics generated by the SLD’s web content and it’s compliance with the Internet political culture. Monitoring of all online channels of communication in the Web 1.0 and Web 2.0 were included into consideration: web sites, discussion forums, newsletters, social media profiles, blogs and microblogs.