Created attachment 8362430 [details] about support.txt User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:29.0) Gecko/20100101 Firefox/29.0 (Beta/Release) Build ID: 20140119030202 Steps to reproduce: 1.Go to http://www.globalfundexchange.com/faqs/86-glossary/307-what-is-the-treynor-ratio- 2. Scroll the page. Page scrolls very choppy 3. Enable paint flashing. Now as you scroll the page, the complete page is repainted. Actual results: choppy scrolling due to full page invalidation Expected results: smooth scrolling
This is also because a background-attachment:fixed image that isn't on the css viewport.
Thanks, Matt. Marking wontfix.