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: '93ad5bb7fd4d8797',cH: 'd19JUuqNX9Wgkr2w_I.hwnvIAYT4I4Uaa3.E07WzYfI-1746417913-1.2.1.1-T1bhCIOinPvtrxz4UHQdtYPHik5J.jJgO3MWVcJE3UOjeZA0dGdC27gu0EDj81mF',cUPMDTk: "\/u\/qjinaphozp\/?__cf_chl_tk=PpXCs5D47Fyqm5QUaeake8dVZpb2qDxBc1hblRGaUhQ-1746417913-1.0.1.1-D0FrA8mZmbRegRvPAIDkFoWCIxkJ.85..XAD9E8pyeM",cFPWv: 'g',cITimeS: '1746417913',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "unsupported_browser_beacon",fa: "\/u\/qjinaphozp\/?__cf_chl_f_tk=PpXCs5D47Fyqm5QUaeake8dVZpb2qDxBc1hblRGaUhQ-1746417913-1.0.1.1-D0FrA8mZmbRegRvPAIDkFoWCIxkJ.85..XAD9E8pyeM",md: "7GKbXRtKZkyOvrMGeL_g7prYgQsfVex..2t6dNBr8aE-1746417913-1.2.1.1-IVYVN6NsJzs0lQw_XL3uOUGSWxshjKWOVMK1r4V.fTYxCseOiL114p.OBvyVLK_Kv6uybLCARbQhGHzGp2RoBeVhuf0xufvgB4RWryzDI9GGFj5a.56wxMucUtRugcuYEvztZiC5UU_pkBn0F4Z4nj07FHcFpe4NXt0MF15ElsnjyTQLWkP7V0oJfPuZzR5DHcvrw6F2IbKfBM9kRQx502fdPP7L3c8jJhU9IlNlBHpSCOXEMJB3NYMCbl5k9Y3IsgJTeXew9GYnNFkWz2aYJFnHKWTTWb.1P2hMHnpQYmYz1tY4BWgsU1Q0cZjmX8zSOJ.JG2g0nwNOxzEb2j0nhg_nxfIfjg4tsjgTKyIdkToD6KBr_H2Y545uWhAIRIqwFOr6Jwf20VpEKacENzKzsoGFvK.OmNKpEJq0K9VyPKBYExV0pgdLVC_xLTjp2GZWj_BuNMfvPfQStXn8fjrDRFLDoMIoICLhywNFc8ZWK2122LtKTB6PxE6qOwYtDUJlPTo5eEnLU7tqhoz90nAEo3Qs72fIee0HL2O2TCwHuVch.1qfeJaVjBo9HtCcWpsxJUVb.pqiKbmzLStdR5FLL.jOkzqKCsLWPjTLaE3eFRIaN9kY4uvQ2agKpA52RdDXX1u9K_5i.A7eTTToyrcshTdKbyLPjAR_zarD.gjSZMwC76INOJuZxT_mHLHEgTKO8RNpaIW4pUtSXrhjQUUVpZ1SLgxt55bJfAqW_gtxq_7gpQbeGMKCueGtQVPhBjM2io1kXaH1Yhc_q0LYOPIleRedewNXqleLfb9oVao_GmYDl5ee123veE71ELnVsTE4yIaBuWz3LgM2QhJ9DQyHbSBtpUGNxdayTmkDlGSvwVWCSmrVvWQS7oGb6GyTN7JkKlk_uHiM6vPCCI.UKm5Njb5j6i8nuaDRdcNIf8n8CAfsHdDRvPpUUUyQtaq2MVH3qVMB8DnJ4juap.vCR6DJqL71vdsX.xS2rxSz6Trqa.STY6w45xS0LZhJTt1XgAki",mdrd: "qzJH1MgGXN5HGTOy.kKnWgJHYYuu324IWKG6f2Ddivs-1746417913-1.2.1.1-o6mlRcwUFi28rhwbVXi.x4mKkvUgvTr0IeVl6uLu5jykI04Kpqu7CF9LhTiYLhpeBJ73X0QGd468GNzkHg736OYNyqMu8HHm9QeDi10G3SidA3vWpr8GZqpoFC7gJp7dCnanVcEgfXsXYPhS1UCqy.vQemlUIWoy0BEXwclI75M5blztc26ESX25zGb6oO45FVGsixlAgPa.0vwGvi7RMaqjC0CDKXOHOvLzuwpQ5Zhvql8SJ4d6JMKwVdDFIWDbTyQ5pSzc7Z4OYJ.NX2LZBQnE2cqR0_wks6sA.tm.KmKSXwMH03yRNKUU94kRd862UMyCUzr3yqouuUl2Qb_tELBJnt_1zUIouxDpETDQYBlGtQwowMDF7YVo8U4DMkb9txQpEGkFK1G6yMdrvFW6eNDsYoa_H_fMB5d1ZXx3sv1jYF6Sas9pXwPrNPaZ1amDdR0gydJ3.TLxMyBsDP6Q_qK.J7BvCa3iKmdxcK5j268ZwdTXf6Y7Sm78S5pHOo0DBaO.tom6C7ChjOs3ZqOiay4SnEdSLkgHe_AtcJwYVaczoCj4LK5L185UQU81eyKKJtMbgClI8krriN0WSAstA_6st9Hl0g4Lrgz7H6FWpvQz1Acqd_BWecbbynsdzQdil70HQGha1JtxV6ZJy6IJ9xttNcWDOPNzXQzis4BOQ_NmJOnsq34.1JeeU8b8vzFM3Qpku.IZGOgBx223zh4_r3XWvMvCSg5sQE3ylYcmCwTE6t1iTY.We.PnyQcQVif5f47XokLR09WQ1tYtSSe7UloJkrAZuFbczu_e3JxJ.nTP0yT5I_zvZV9MFiXZ0.5In_F5gRTYAIcKFBFDVH8OT5HqYO0CiqqNFOVTsX7u_4e1epNqpHfWrrM3M7DmbqF9R6yYUsfCql81UCrtBH_q6WlEY9dzGjD4olzszQ28_nvScSnQbyoYQV0gAP12fiR8EUeo6G0dB5szr8hHdrRxvIqTV6rFzfJkpvJH73PgSRO8Rn6mGGU.zxo3X0sVdrCdBq8n6Oae_AAhYvHmAYHu3pcrAgWYv00UMuNtuxp.AoyWxLqrNuTmRza1mAk8thxrjvR8zTHM6j7XFS0x7mBohzyf7pAcNq1sbspy0Mh.KIFV79hN0vVRCKamDCR.5lSvSdhomWvGcqyuKmVDPbxh1O9c1T5B42AGltQt5AdtXJX2twg7ZoDVjR9xM6y7Xw0pWX1R40NcpS9Xh25k1exiPBRsNFQyIoe1eoKknKmnda66CqXfGlzM51a4TBLvRDOgL44CiWLPAhAzz9nZrgUBfR38i5n7NrafXv1ZKiGlNbJ0KM5_ftwKLASaRahbD1QvH4fBiTRJ2vQYoCauA_dwrlXwPiO.4erHHLdHqzkDekkB4QEE5UokwU107i3EPhM_L.XQQW_UkvWxPW1SJCKRGs0b_LOsrcIb6tEJJcrq2DMe.YSo5Ea4DjbMdZM.n59PjSiQPUYEJvBaSer1t6eX8F_6yP0jiAmV1HTTZY90xULmVYePwoxiOjSQIks8t_HAsQtuWBmNRv3qk5p.5TXeQo6MxNMO.XOqEUyhJB43_R8BIBrEGDxnhtR2ucB1m6fQImTd4bxXaGfFXaggKlM3dcKVlJgvwCnPUNDFYNMTCdNBB.8JgAVbbE.3qICOPdVtFEGQjbeIuq0VVRJTS2r6AdYpWVPaSBQTOHDT1uUxb9dbjVzGZ2YasEwsP5FPDW8THJsoAnvs74xBcD0NpLiD9frw9T3LAqoekrHmk2zwzRYuqqrdUZ2qV_BF9zPA3hVrU7qPTUu8TLYjhQ_HfgTeYoYNHATexG7vUjeDc3LXswy4kBYSKvRtUBaWQU.5NADMFRwmqC0aHSaHBZH1c6o0_A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=93ad5bb7fd4d8797';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\/qjinaphozp\/?__cf_chl_rt_tk=PpXCs5D47Fyqm5QUaeake8dVZpb2qDxBc1hblRGaUhQ-1746417913-1.0.1.1-D0FrA8mZmbRegRvPAIDkFoWCIxkJ.85..XAD9E8pyeM" + 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