Video one
Naming files
1. Naming files - files need to be named
2. No spaces in file names as it makes it hard to find in your browser
3. If u need spaces use underscores or dash.
4. No Characters
5. No Capital letters some browsers and sites are case sensitive.
6. Always use .html on all pages.
Video two
XML and HTML
Xml is for storing and carrying data
has no defined tags and it its self discriptive.
Html is for displaying data and also has self defining tags.
Video 3
CSS - Cascading style sheets
CSS controls the appearance of the html documents and also controls multiple documents
Basically you can update one file document for an entire website that has multiples pages.
Also any tag ie h1 anything inside this tag that u change will change on all pages that have the same tag in your website. This also seprates th structure of the site from the presentation of the site. From one document to all documents, with out having to go through each page individually.
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