I've launched a tool called Pagespeed Plus that measures pagespeed across your entire site. Anyone trying to optimise their site will know of the struggles of pasting single URLs into the pagespeed insights UI.
No More!
All feedback welcome:
https://pagespeedplus.com/
Nice idea! This looks really handy.
Can't help but wonder where the pricing page is though...
https://pagespeedplus.com/pricing
thanks!