15 Useful HTML5 Tutorials and Cheat Sheets
Henry Jones makes a great selection of useful HTML5 tutorials and cheat sheets for WDL.
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HTML 5 Visual Cheat Sheet
Woork brings us a very handy and nicely designed HTML 5 cheat sheet:
This cheat sheet is essentially a simple visual grid with a list of all HTML tags and of their related attributes supported by HTML versions 4.01 and/or 5.
You can download the cheat sheet in PDF or PNG format, both in black or white background, on Woork.