403 forbidden error when trying to post a comment

do I have to renew the domain subscription with a upgrade made?

I deleted a page and now can't change the appearance of my blog

Email account

Domain Name

Redirection of specific pages/posts

Mobile Themem

Transferring stats from old wordpress blog to new wordpress blog

I can't see my blog on search engines

important – I can not edit my blog – mistake HTTP 504 – please help asap!