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The diagnostics say that the ads and ad text are fine but landing page needs improving. Google have told me lots of times before that the site is great so a bit confused.
I've made a lot of changes in the account the last couple of days and use conversion optimizer for most campaigns so I wonder if it's just all the changes have made the QS scores drop temporarily?
I sure hope so...
I am completely at a loss, nothing like this has ever happened before. So, because everything has gone from 8 to 1 it would appear it's a blanket issue with all my landing pages (and nothing has changed in the last week or so that I can think of, certainly not of any significance) or it's just an effect of adding lots of new keywords, deleting non-converters etc and everything has gone bad QS wise temporarily and will come right soon.
I'm really stuck what to do and would appreciate any expert advice.