Nope. I didn't.If you did use a code to remove the date or change the URL by any means, this is mostly the cause,
No. no changes were made related to this. It is a micro niche blog which I have left to mature.Other than this, please share any insights of changes you did made so we can get a better idea and propose any possible solution
Nope.Do you have a domain with the same name as Blogspot?