If a specific post was interesting or useful to you, we recommend that you Like that post. It tells the post author, and others, that you found the information valuable. Clicking Like is another way to let others know that you enjoy it without leaving a comment.
Log in to join the conversation and Like this content.
When inserting URLs you should take care that you're including the protocol (valid URLs require a protocol to be defined with their address, may it be http, https, ftp, etc) as the HTML5 pattern check will attempt to validate any URL entries.