An interesting and useful list of Do's and Don'ts...mostly Don'ts. To skip ahead a bit:
17. Stop planning – start doing
There’s a lot of internet marketing and strategy dropped on you daily – dozens of ideas and plans to implement. The big question is – are you doing it? Some people take planning so seriously, they never get down to actually implementing the useful stuff...
The rest of the list supports tighter, more focused, much easier-to-load content and page structures that make sense for all audiences. Move away from book-length swaths of content and auto-play videos and focus on what really matters - informing and enlightening an audience in less time with better content.