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><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: '94000a1c1d1a9d90',cH: '4YbGsQGOBGTFG74ajTS1EUBKHJv8AlNDdbwaoe0EcgU-1747284888-1.2.1.1-ErVSCrTywSgFHKdu6BEZcfNiA7hpXA0HkYyZlHchk7HERadTD7TvidRIsYqjWvDE',cUPMDTk: "\/u\/pjmplqnqvz\/?__cf_chl_tk=DdsubuPc7K48BnYlwtIWrXGpTEomiwv60A4rl93ToVE-1747284888-1.0.1.1-ufphN6ECBJ36kZOlmJIktr19o0IwkTc69Ja_YYZCg.Q",cFPWv: 'g',cITimeS: '1747284888',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/u\/pjmplqnqvz\/?__cf_chl_f_tk=DdsubuPc7K48BnYlwtIWrXGpTEomiwv60A4rl93ToVE-1747284888-1.0.1.1-ufphN6ECBJ36kZOlmJIktr19o0IwkTc69Ja_YYZCg.Q",md: "dsix8__NLKPROCtBLZCItBrN_uJCIc6b7h0QEj9i_Lo-1747284888-1.2.1.1-uRughd8HIcUQr6UW0_DXDgFKLO4nY_P7z9zfQnIcDrXg6GonfygdnJ18oboTVQlcRStJk9B2i7uw60tgHX6kdF91gn33HNGkYoiAgCiIGyJvvpzsY9r6VF5C3_M8rIWxPbuL_dBe9buC3KU4uanEfK05NU5VMyzUkC0xX6jj1INwaA7ujp1JKRPeqJL6Wbt3SObQvV1jJZDjKb4oAnL49ITrw7cmC6YFaptyno3fYT2CIudkX2cRdb49BqGbJTuK9g6gkDp18G5nQsSBO7ZQco5YCdUqObLJFsRG_Qeed0XTg5UvzO.r9WXfHl.Lwv8c6IoQ7S4p5Reft478i4fZptGC.2y.UOWsfvz9d3T9VBY_ikx6PHBOs3lTlGYkqbqWGeEAoiFOlsGe.XiAv.5DbZZp9nBRnpAGPsAICVae_0tbcUyzMw6BfMOB5z1dibavXnL82V1YDZEE9FZECJE..H0XGMrwQX.a5uIJ.PL2X6x8I9E2xIt.W6lr.W2agj7O_FR0EAfeMMqbZ08WveRw5.h6EwzOAphWof2.fgrK_jBslJG47K.09ok1jh5FsOja210zAWtEuA3tbDX2tvYxyRys51SD0XLfCaho2I_KkleiWI6V6xqKnp_0frEEqu6u82uA7GhKMr6oKgKT0lLei3qhznXXdSRCbp0M.tGtQyyChWWkw.naTsIwCM9vvMewbHWyB5WNQt4jE1Yb9iZFoZ38Eb0jxTJAR9MmwyWD3V8Oak6mF1Ja1JzJLp4C2np1yE4sWgLl2HE.AjyAO_Ic5BrXSVscwjjAxKAsXSwDMPwngpLGgTd0j.ckSdCtXX0a3F7r8FkkRKzGOx3xWwvYteFeA1EX2bjnlYWscpiXoPvW56mlXSbCGvJ9mmzcAAwDqTVyZaVIEi7ITZU3UbUz39qdnq0A6nsQXRWMt8uv.7o",mdrd: "FCaWYZoAM0wDPiQ3z6GXxEM41Gq88MXXglKkdGWyLUA-1747284888-1.2.1.1-ZaLULyyf9.chyWhVnwtJDfe3iDGc9fpcYeqRJ4e8P1R9rCQ6ISndFtjYLw_TJsUFxnkepmcWGohpnwm1isnInocnqUmEDWFY_Vu7JBf7WZNAjsM2RRfp1zDCH89XycQHYaBKBHNnVp5f5wA01VGH8Ch7iISL4AKIaNbyurVE5iODg4n5P2QpvAlNu4FAzjxbm3coBhwrVVUzBVrQ1h7y7NwiCpfwUiEpgZ7O.djxlMPHvoan5sFkwkQraumIpDYXRaRLNZdT5fi1GDmkEFJoHfP._DgiW0YntrgwvK3nHQb_Fo2hX_5.ZgSbq8YmyBzbU24nJ07LZ9Qryc4H0iaOEi.V9xRf.bJbg_VBVmGzipWoaPcoTbWD.yUrcsLqzQgtAzo7Hy8ogppUF0Y6bqGZKqQcP.FabBdmhG3CrXCUPqf_89f_wigFGMXBzx8YGJhKvlRpgDsui9ubGxXivOqYYXCB9lLCra1QiUe7J3SXFYvzcIHnm.ZJulDas0S3fqxvU7y7qCOIu__IwWK8CXf5V5.cpGoLuegX5OSSK.WkRymuVDljaRCOECcJo9NhkXPxg0qeiJIEIwx7rYWPzvQ3o6ZMtD6jUQDurMEqUcsPfxMbaAumxRc6P4yBgN2LtJtAeMDIVgK_Fg9VMAIP79TOjktNTLC1CGZbIlgtNBibyPAP8_oZTJSS2EDvlfwIdX_Jdlhy4fBZwLUAbK1Rmh423f3Bb6u73j58I5zIBPDMZ0dj5IRTaz72PfNhT5rjXtcnq3WgKFMwlulyDcIyCIicRlh5BTqy.Jf8yK.mRbiPcYbhz.rXIrbIjneTwsQvJDnPiIKNJ35v27Ff9P0yo4HjCNAIjlUz7aJ.1IlJT6YNeW1SSMhQOzp7Rk5gRRdohieCinJ21WvaxIw01xqetmU6Nq4_XxQmpdsq9kLRPaRxPpCI2yrZCmyK88mvtIbRq4xfh5bYY_aVUVclWEvr8gIJbwHm07L4dlRz89V_uQYihIHAPvx0oboRPeEypR8qdA7KJrW3PU.vd.GiAoV8bF8aO0U8RoIdYb14gxnU.VyLUAgu8vVXkhdYRQpQA.AkL4mT18n6BUl8OsmOda5RWrf7M1W2QPu1axuZu0OltjzmwBD2yhdgR4j7QI5M37FiqqWoCBJ8AH..4_IMTrLIX6XGG9Nd3kAp4P4NzbjSLFxhsQg4zMDM0HllxwWXFlGiQts3wPPDj..xX1WTTSe2O6iil4l6jV_FEeqMnK3cgNvabVzNg4FRbpXo5lfVBkmpxNY3b94qbRxd7FRzaEXUIM9tgYXFinbtAzlaUAbGym0kweGrDJwlSvSIcHdF2MYdcSb3bUhGFek2Y_r4NTfDqJSvsT5XhilugV1QCvSV4S_EZXXZTHfSsEctfZ.X_2awr3.uK1JXhiMpIOO0ywFY4NWSLQDQ3a5Q.kMxfo3iHFVkVtalEttY2rUQkKwDCbvPiNtz5ijswTksoq0o95yP1Dc7Y2mRXU53vqVCMlV5R6zb54ft1HueNq96gYOs.XfRB4DDFZrKJ4Yb2DH4daQ_TsqafesamQH2qjJ3aK.G9tasHj9AXn0y7Veqp23YnvXT.7Ow.F9EpFdoWGzuHTuqXTAg2TQrjD0amxcCXxrPe9QCwjg4TUYDtx4Y.a7U3mxVaczGu8x_EcKjaA9xkwa8hpfU2MzDhCzMY8nrSv5Qq1P57xOd0S9rvc0KsoTDiE_zF1kATCARw.4uDEQP8uc4_anhtqjGunh6ftUOAd1yf.JgRBtkwyQidRBrbCtRxL2FGRKJr__xFaTSC39uMooNoYaNg6jJ05sPM2kd8LzSFp..H0w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94000a1c1d1a9d90';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\/pjmplqnqvz\/?__cf_chl_rt_tk=DdsubuPc7K48BnYlwtIWrXGpTEomiwv60A4rl93ToVE-1747284888-1.0.1.1-ufphN6ECBJ36kZOlmJIktr19o0IwkTc69Ja_YYZCg.Q" + 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
