for Atom and RSS and KML
It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="360"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "leetcode.com",cType: 'managed',cRay: '93123d48de33c971',cH: 'jra2fKkZ7ivbAJ5vbQWayPPKkpcqkVyT6SwZWZvtAyo-1744791374-1.2.1.1-PTIBL.snnszXxqo52Ef53FWTc0a6iLVt6N4ZSOD7QqC96trMAbp8t6XktoTckYed',cUPMDTk: "\/u\/qyqnhyqmhsd\/?__cf_chl_tk=8GA2UCUP6mZIJqPw71iG1A2GHBjb_Y1fWTGU61Tq2Uk-1744791374-1.0.1.1-VvopRt3Ua36H5FhH86NXjxrqsnF8hB_7bUymfWBAkSE",cFPWv: 'g',cITimeS: '1744791374',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "unsupported_browser_beacon",fa: "\/u\/qyqnhyqmhsd\/?__cf_chl_f_tk=8GA2UCUP6mZIJqPw71iG1A2GHBjb_Y1fWTGU61Tq2Uk-1744791374-1.0.1.1-VvopRt3Ua36H5FhH86NXjxrqsnF8hB_7bUymfWBAkSE",md: "VEjRlVq_3ero41t5qgLGVSzhDqa2O9iTabrqlZ3oex4-1744791374-1.2.1.1-U5Gk5sQY.sl4EOroUU94NaEz4B_CBt847Ki2gwD83RCWcbwKsWM1CUyIKwFFs4o.qXfRnz1ZMz6NLs95TOG01nr9XYBPYF8LorCJsF1Zn8QesVrMQwX8qkstcVjDsSR5LWk4BU2vIRP833Y_eoJTj2HLp.MoLEcH6UJCI6dQbYydAFC2rOB3i75dd_guW4.qyDR89Jw9euncd0vGgMYLTeoxPUss0xTJgYDpFh0qmlSBDTRzpryPSUn0M9w1W1UK.yyWezYVyark0PVwfpfePSYtR.wY.87YELzNsgUMGCZhIIb.qIYZ2f3zy3KecOJKN0SnD9PDeJaQN_JI7Jk4uL2DZXEbtz7UMZq4IhYaDV_.tDwr4HkRDUjesqt6K2cpWzV1Fg9lPyDsEpVdEvoybl6jcTr503HIlOf.9QW0ed.vQZE_RhMbMJHPB5gHkWmj3uCFBWmXhBWT8YYlIEWr7f2o3D7JCZYgNclTCeotPzjlTmYyxU.C2ywdB0modDPY0QIvQ2ux6CAOZHbupaS7sk2DgFohcqnWwhjEEc8rVXeyy1yDlFliUP2yMd0kr3NGrt8FrVKFVqE6qjQ6x3aErAjT2trSanlDwtKWl8pNaJJeznPZzSz0SSE3YLC17gI5P.rJZe3xD5RAMGhz2EQYzn1JacqG8y9zUfjeJ70non7aWN6lFbMsdk5V7UrRD0hrh8yUuaAN8G1atKXaUEKT6QvHHK5MygyRugMWHML23HcWGeA9MEj.fN8fyFVin_RaCSa.8_eoZHj9tKEsjOxFZZJC.ZnPYvhWAk0MqrzOufo0.jnQJXzfCFfKShltMoYoPKp1W.Io7zEETWLy9Uz6RwIKmASNlbF6SwfM5njaqhSVacBI_ONlXjk.haC_Ck.z4HouIR_3Qedm56sTjVDcBBWIPg_VBvuWh2hFYrZjRk27x8rVaIDdv.clYqHkkKDvcRSZonmCb9hoWiUu9xvtPUSYATmQCdzdkkVnIMgfjtQvexUjsESP26mWmSk1Fggpr2IFmUWmJAqNK4VyZunoqQ",mdrd: "tkjdYbnVZP2m1spio5s0FQRDudR6tuSgGyDJ.jeDej0-1744791374-1.2.1.1-wsLxVg9_WowuJ3m4o9tz8JpkhD4GJ5LlFW9B8vFFpvSCaR6ny22rFMUyeHYlJlsHoELM3kuAFDFSEvPEM55j2OcXlK542jFpT21LqAMo1BTDgTFlNRceAjt09AXw9D61KW7uxtXHfrZf_pCx6Etq_QDE0cj0mYPZY7dGG_OIjWJBgvvbScip42gb01jgUneELJWKrPga595gJQYyud4IHAXRjmZCfkQVoJ3TbnQpYq11zxDpmlwGVFk9gq0LHvdERkLnJnCnkNyMz.3l8vU7hkGcJCpN0.Jxt.U8qJFaks_k5J558O.cLSfAKfbmboiw5erSrTt9KFoCcr0L.d9_l9FV1ft5f0fjrhGUU9y8A.YtWqJY1IEu4b791J2J5ghKuWDTUTbnsuMfiSnyQE8ofRRnAx9Z3bvrVgyYF3K7BL0lT1tFCSjdQBM1G8.G3_E1XDSJiV8ZwLjAM004cLUWJuDylEr7AbxWHGxwba.3bzazMrSUpKqINU1BI5SEUvYUWISdWFpIhxuK3hDtbUXGGPkVI1M5B7.vv9Oaj4FoKyY2bOM3Sc.GwSAAQbaJsjXpq1NMaPJ9h14zXaLwoQe7fLHWd.WcWR.UZPYHA_5b.dVfJUvN0BnvDH4l0NX1Y9B7eStpFn08p37n7YQCKsfK8sB3PURJ1k2YbCvXnzZvHkFldyCapP5ICj35Mjq4buQFua3t03gaOrLkdENcIuNy4dflWTMWrNO7vvlm3MXox5FjFmAcdGGdyNNNvWy6m8mjRFybX.lFkT1rncn8bV1uCWElh28KNoDwu2naPeJ88ralV9ldTBHnz8D9FviRWnFXdkmAjPdjOOimaaDZve0SqWTgLIibzEBotP4QgIFkNGjMmDjc9Znkm2WLkdF_d4qck7cLtggBZYZFndI8UyHM_d9umoZQW4.Tc5qgw.ibFfj.yVXTokw1u2wEBD4IyWpq3KBkcU3DiSXfiWNX_bBrHrVZ.Oa3DehjkjsFDcln8b7zUSb.G8r01ZqFFiQ1cLbJuy8gcqii7txCqq3ksFk6I6j7.C.8agXCo00spBrPb0oAEK4Fy8ZaxBJHWltiNxlyW._iE5G7MUd7r.iHU.b2Gjdflq4A.r39jHtAj5M0zqQBgTrqDlQUTKFdR8uye1j3YnxRD7h3VfRrvm4xm8dmM6HQMgIBj7yB2B642PGHbzs_ALJoJrNInuaWb38hywbv.SR6ewHiv5DKMF8qx5EkCN2hagubW.jDCtQm5rfQwIqJ_1zi93VuxNsoO959hf7Kp8DGBMcJS.dYYKZeqeVseDJNcMIJfgVilIECzBTYTwavgsPwDNBvGYsHUfkNYA_SVVWu3sAKRouiB12sZ0zb2hq4Vcpq4G9xmAc1SHitwrcxfYoNP1J3bmpCeQlHbYOIMe1HV8nsknvqamXE9XqO28XogXcooPmej76.QJNWiXtWuM43lwZSdEf0VaXYBRLJImsu7AuK62mEWGMoWnh451NZxb5kjkoD22gLyMmcq8pXrwj.3nJ2bjmMf1z0qDtImFiZAriAmP3p37fE0aWGAn2hKCE0N2zvJTKYpO8jKc56_8xWht1qXVjMWEmCCtpS0o7cMKy4USl_94.sTXJ2h5Ks5Lt4Zoeg_XqhPwMUEAC70pF.t.ufPAX124saG97iNr4ZV4vD8ho4OeKgbfCD5itQEUuhNfWo0vSnrAUPdkqbVCmReyLbTpsJE94o4hOczw4jn8dN7AL0dP_sVSxAEnVxU8q7CKEium4A3vOScRdsYKaszNhei7XQu6Wx.pqibTTV_WoBAh_n3pQyzj.MkF_5y53uMCqe4H56Eb7VjM7AymPa7hRyOw8s8NI6zBfHPGPNEBqx6u1FGPd2sXKgQg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=93123d48de33c971';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/u\/qyqnhyqmhsd\/?__cf_chl_rt_tk=8GA2UCUP6mZIJqPw71iG1A2GHBjb_Y1fWTGU61Tq2Uk-1744791374-1.0.1.1-VvopRt3Ua36H5FhH86NXjxrqsnF8hB_7bUymfWBAkSE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms