Some good resources

• CSS-Tricks
• Smashing Magazine
• MDN - Official documentation of the Web GOD
• My Web Dev Notes

HTML

• All HTML Tags and entities
• Creating hyperlinks
  • Anatomy of link, title attribute, block level links
  • URLs, absolute, relative, ids
  • download attribute, email links
• Semantic HTML
• Document and Website structure
• HTML Forms
• HTML Validation
  • required attribute
  • Minimum and maximum
  • Checking text length
  • Matching a pattern
• Custom Data attributes
• Multimedia and embedding
  • Images
  • Video and audio
  • Adding vector graphics
  • Responsive images

Development tools

• Basics of npm
• Git Commands