{"action":"created","issue":{"url":"https://api.github.com/repos/servo/servo/issues/10000","repository_url":"https://api.github.com/repos/servo/servo","labels_url":"https://api.github.com/repos/servo/servo/issues/10000/labels{/name}","comments_url":"https://api.github.com/repos/servo/servo/issues/10000/comments","events_url":"https://api.github.com/repos/servo/servo/issues/10000/events","html_url":"https://github.com/servo/servo/issues/10000","id":140910460,"number":10000,"title":"Investigate high CPU usage while loading a page","user":{"login":"paulrouget","id":373579,"avatar_url":"https://avatars.githubusercontent.com/u/373579?v=3","gravatar_id":"","url":"https://api.github.com/users/paulrouget","html_url":"https://github.com/paulrouget","followers_url":"https://api.github.com/users/paulrouget/followers","following_url":"https://api.github.com/users/paulrouget/following{/other_user}","gists_url":"https://api.github.com/users/paulrouget/gists{/gist_id}","starred_url":"https://api.github.com/users/paulrouget/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/paulrouget/subscriptions","organizations_url":"https://api.github.com/users/paulrouget/orgs","repos_url":"https://api.github.com/users/paulrouget/repos","events_url":"https://api.github.com/users/paulrouget/events{/privacy}","received_events_url":"https://api.github.com/users/paulrouget/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/servo/servo/labels/A-browserhtml/P1","name":"A-browserhtml/P1","color":"d7e102"},{"url":"https://api.github.com/repos/servo/servo/labels/C-assigned","name":"C-assigned","color":"02d7e1"}],"state":"open","locked":false,"assignee":{"login":"paulrouget","id":373579,"avatar_url":"https://avatars.githubusercontent.com/u/373579?v=3","gravatar_id":"","url":"https://api.github.com/users/paulrouget","html_url":"https://github.com/paulrouget","followers_url":"https://api.github.com/users/paulrouget/followers","following_url":"https://api.github.com/users/paulrouget/following{/other_user}","gists_url":"https://api.github.com/users/paulrouget/gists{/gist_id}","starred_url":"https://api.github.com/users/paulrouget/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/paulrouget/subscriptions","organizations_url":"https://api.github.com/users/paulrouget/orgs","repos_url":"https://api.github.com/users/paulrouget/repos","events_url":"https://api.github.com/users/paulrouget/events{/privacy}","received_events_url":"https://api.github.com/users/paulrouget/received_events","type":"User","site_admin":false},"milestone":null,"comments":3,"created_at":"2016-03-15T08:50:32Z","updated_at":"2016-03-16T12:03:57Z","closed_at":null,"body":"OSX.\r\n\r\nSTR:\r\n- open browser.html\r\n- load firefox.com\r\n- while the page is loading, CPU usage goes up to 120%"},"comment":{"url":"https://api.github.com/repos/servo/servo/issues/comments/197285908","html_url":"https://github.com/servo/servo/issues/10000#issuecomment-197285908","issue_url":"https://api.github.com/repos/servo/servo/issues/10000","id":197285908,"user":{"login":"paulrouget","id":373579,"avatar_url":"https://avatars.githubusercontent.com/u/373579?v=3","gravatar_id":"","url":"https://api.github.com/users/paulrouget","html_url":"https://github.com/paulrouget","followers_url":"https://api.github.com/users/paulrouget/followers","following_url":"https://api.github.com/users/paulrouget/following{/other_user}","gists_url":"https://api.github.com/users/paulrouget/gists{/gist_id}","starred_url":"https://api.github.com/users/paulrouget/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/paulrouget/subscriptions","organizations_url":"https://api.github.com/users/paulrouget/orgs","repos_url":"https://api.github.com/users/paulrouget/repos","events_url":"https://api.github.com/users/paulrouget/events{/privacy}","received_events_url":"https://api.github.com/users/paulrouget/received_events","type":"User","site_admin":false},"created_at":"2016-03-16T12:03:57Z","updated_at":"2016-03-16T12:03:57Z","body":"I setup a local HTTP server. `localhost:8081` takes 30 seconds to reply. The reply is an empty HTML page.\r\n\r\n* with *localhost:8081*, a simple iframe loading: CPU ~3%\r\n* with *localhost:8081*, browserhtml without the progressbar being rendered: 40%\r\n* with *localhost:8081*, browserhtml with the progressbar being rendered: 80%\r\n* with *reddit.com*, browserhtml without the progressbar being rendered: up to 150%\r\n* with *reddit.com*, browserhtml with the progressbar being rendered: up to 270%"}}