So Google webmaster tools does not allow us to preview what will be display. Ad a result my titles and descriptions look bad. I am using WordPress SEO by Yoast, I entered my descriptions in my pages and posts but Google adds some other information in the description that I don't want such as the name of my site, the URL of my site (which is already displayed below the title anyway), etc.
I tried the Google Structural Data testing tool but in the description part it says:
"The excerpt from the page will show up here. The reason we can't show text from your webpage is because the text depends on the query the user types."
Really? How can I configure my descriptions if I don't see what Google will display? That's impossible, lol