\section{Theory\label{sec:theor}}


\subsection{EDA - Exploratory Data Analysis}

\subsubsection{Data preprocessing and cleaning}
\subsubsection{Data reliability and consistency}
\subsubsection{Data visualisation principles}

\subsection{Web traffic}

% HAR files

\subsubsection{HTTP requests and responses}

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\subsubsection{Cookies and tracking parameters}


\subsubsection{Search engines and privacy}