My site has disappeared from google search results.
On friday i was on page 1 for my chosen keywords now i am nowhere to be seen.
I have used google resources and get the following errors, i have no idea what these mean can some one point me in the right direction please.
Extracted structured data
Warning: At least one field must be set for HatomEntry.
Warning: Missing required field "entry-title".
Warning: Missing required field "updated".
Warning: Missing required hCard "author".
thanks in advance