Tools and Resources
HTTP Status Code Checker
What is my IP?
Who is – domain name info
WP Developer Guides
How to add text/plain to HTML emails
How to set email sender address using from address
How to convert \n \r ‘line breaks’ to HTML <br> line breaks
How to use a shortcode to display an external file in your posts
What does the @ symbol do in PHP?
Global disable multi-site pingbacks and comments