• Siteground tutorials:

https://www.siteground.com/tutorials/wordpress/

• A greate post with the following topics:
• Send Emails Via SMTP
  WordPress with Real Cron Job
• Limit WordPress Heartbeat
• Disable Post Revisions
• WordPress SEO
• Translate WordPress
• WordPress Adsense
• WordPress The Loop
• Create a WordPress Theme
• Add Facebook Like Button
• Display Posts From Category
• Show Post Author
• Change WordPress URL
• Display Random Comment
• Hide Specific Category
• Remove WordPress User Bar (admin bar toolbar)
  • Another option is to add the following: 
    • add_filter(‘show_admin_bar’, ‘__return_false’);