This page explains how to parse and extract information from a page (local or remote).
Parsing HTML and extract the relevant information is something we can use in many contexts: scan a page for a price change, extract a component, detect the broken links .. etc.
AppSeed, in particular, uses HTML parsing for two things:
Page structure detection
For newcomers, AppSeed uses automation tools to convert lifeless UI Kits into simple starters generated in many frameworks and patterns. For instance, this open-source design - Pixel Lite provided by Themesberg has been translated to Flask and Django using HTML parsing as the first phase of the translation process.