I still can't figure out how knowing the OP has any bearing on the rest of the thread, particularly since very few threads would make any sense without reading the OP and if you read it, you'd know who wrote it.
In any case, in addition to Vanya's suggestion, you can just click at the top or bottom of the scroll bar and quickly go to the top or bottom of the page. Also, right clicking on the page number (1) if you want to see the OP and choosing "Open in New Tab", will open the first page for you without losing your spot in the original tab.
Still happily answering to the call-sign Peetza.
You do not HAVE a soul. You ARE a soul. You HAVE a body.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.