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.

Source: https://1rznvd.mit-edu.top/post/6501729834

  1. <!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="390"></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: "1rznvd.mit-edu.top",cType: 'managed',cRay: '90fb1e74fc5d387c',cH: 'r8nYvRD54BoUwrjs_NqyQoXOj21MnI8GigY9Fvwme00-1739180229-1.2.1.1-D_gWfdZLc3rJ.AohAEZhRwLZmOsd.SkRyJaf3boefBM9dcz_EgXFbxEvp_MryEB2',cUPMDTk: "\/post\/6501729834?__cf_chl_tk=jbaE3aBn0oyDE.sSE8EsHRKbqN4K3tU7K97LVL.swuQ-1739180229-1.0.1.1-3DABMiUhXHQgyrE2uh8OlVPkaSVp6IwiA4RBDH15WOc",cFPWv: 'g',cITimeS: '1739180229',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6501729834?__cf_chl_f_tk=jbaE3aBn0oyDE.sSE8EsHRKbqN4K3tU7K97LVL.swuQ-1739180229-1.0.1.1-3DABMiUhXHQgyrE2uh8OlVPkaSVp6IwiA4RBDH15WOc",md: "JC_uzrCIWOUHZRd6Kr.yxJQq1StVnBwjY26dxWUuXmc-1739180229-1.2.1.1-RHX1Cnj2pd6wuJv5plaZVzWWzwzG3qnzKAuAzilaxrbDOCKT7J_bopmABxwHE.6rrOkd0m4D_n.cvMO4dOU72jtKzxLOuL_XGV7bmQcyoqNne8LvLrLJoTsGdM1qXCVgp92tkwc_6xYVW5X_XKqdsfPr.rPzsDYOjqCtfX7qatecR_WPyvPeAbitMqjTLVzdw1yrbVGHLhoXhQ4T22EYZRjKajJAI_ZQ59qfL2jNoKT68vGpH7nIbtNUx23t4WGmm1RcwWKtJNm_RhmI0ojThsKqZvA6gEmlQYNB0MoC67nPLI_.mxoL52Q6.2K6L9v0KEiAR7YR1Fefz7OLMNTgB3yecdI926zpbTvx7RYv.rmPkByjkjvTmbeAvlpxidXrLu8Mtc46Hn9M4MoknJxCH9fWvpCjGXgVSjeu2qQ9X0ogcVwHy7b1N4f5aMlEetL.T991UhadYwCw7BqhRXbSMfdVV8fWWbQAEjLtFdCUuFKvCnUGb9D2mUc_HMyl7koLk._Eb.2ttKO9DzYJpclCa.JZQfnqT9whYR7gd2kp4g1msLgtz2xnxnLvZ5Apg_YJbow8iF5rnQX.etgT8xxDJgGgSl8KnJY.CKr08m_clTrsGu5XTusdYmubCk5gvhQFAO7VvPQS5bsgri7zYnB1AzOdfBJjFe3XfDwAWa_vyH09PV0_vr2Q9IUWxFK9UqrO_WKbfChM2vnZxN0v_gz2JQItdzt5Y7_7CAzt3Ds7oNWX0UCK1cOcAvMYACcuJzTlYbU38diVAPOqIeRZzkk7rRR0i9qm475mV6BWS90Q795X8mL.yFRxiVo6SEjdjI1QmxIgdaEs4Itug9XaJGXlEHtRuejRLa24UO_OeOY1EFUsWsDBSFYf40p9Zdj0BwwwoEGa3i8zWMM7.TZ7rVOEwDSFjldMAo5YTWdwOr_Dgb7STPz7fcbw6p4ROvUJYsSPPRVmyAqAOaQ0isPXyoX7g6I_dnmxD6DId1Y2vczpMpUVFBMLXr5.ChHVSuCfMtgVmjTQvPHZ4dbPyLm6Pse.3727KS9PocbpCa4kdpKyFEbC2eErU69Zyt2LrFMYOypcsNmwx9JElOzfB7sXDhSXY2BsHjvqZ1GcO5RFPLZSU2_7BsbkjqvabyAeQBjsAIuc7bJPzZ0WRYGqEGcOQ91J6rryxS2rhJvfu8yen3wH6bVZvG5T381RXmlTTclO4v5IG81enWvSmfBAL_hQhW1cP3JJ2dkGp9ziMOq2X2dE8Z5X._MsRcxEj.VF4LAIpAejWDu_Y86MBr7SRkU6c3XrzbuBYa1WDa_lFVf5vRE0nle0Oii9l.UHeaIdNKWYifcTcpmRgX1rjokU2SGySZlZ5pizSPQClXI1M2wpCqrdiVhY6JABqLkw0sPFA6Qs_g1fNPfpE9P_sYlmVcnQjIUlYPzo8vQEs1rOcJ3jvY2_3E0fsXRDCAe3vfbU_ku2hfufJM9su3OOH7RKxFSa3FvLBgAMTyxKp.olsR0zUXmNkhoii08GIFnid_KZdPb9vtPoZ619j79SYRo2Civ2pmC.gVqoTNycWOVAG1HN1wg3bCImWiAE_GRDfSqifMgK.sGl.Ieck6Kmnbe02tByQCReuSWoUCrOgzkeEFWAq8L_KI9u3UkMeyOKSbTZR2HNEG248iciNlQHhuSftjOsAGMACtuBQLSJYNbcB47yc2jbE9H6ZGlHrJEYa4iM2UIVaJ6ZxDFlccNjMD7TAUkGY7RQetlE.Gn3ym3RT90dEYfcF4FVQ1vZ.yrKpCCGkSOoTptip3uVPcTzmrO0KAuDx1.GKhEu1ma5IPusw1cH8VJKQcu5v.9hX6H_7Z3x0nsv9.hfQm.qWuENuh0r1Nz9zH7NogPn0luUOc2JbwGJshfxX_joz7xcKo.MYLECVjMPefKdmo96e1Lmzs_JUrG_eRZciubuKZtGuNPKGEHXYZkD1C9GkapVQ.uf45R27SN4Q_cVCLzIJty2KEvkf1ZrUXyCadQPmYIrP7hQICqLY3UoWYBCAr4i5P74rXH9KtzvD7MpUB4dqr6mUuOw4vWCZWuf8J2H4kjWfg7wKjmmvGTSTbYOYxJFmpjIt1PmH_w2ouXfyIatMdANxsAWmxKzqHHuHQQjmBkVordMemzmzeJshZLbsJC1JmpG5G0ZGWwNEE4mM7RNGNNJlY8gEAwrE9_q1OpuKUNRLHfMWJyKrAyPB0I",mdrd: "U5hveZJosCO0BezWupyK7S.8lGW96gn.oO4Uda9LYnk-1739180229-1.2.1.1-3nScBRqoYR9j5VuxXNL1ffS3c7e9qGaer6oYqDdEpQPoHg2Is3U2s8y3tyBAhpbweuCr9DoO6bnuSKB9RES0DFeRktCb4PGHqwckgmpTNdgGBO.Jtuiags5R6vzbsIHSfN0UWLHyqKvYD8tl12dmTzVRS_ktMg3Cv0cM.9ehVcCIwYRLjTjdVnzUXBX8Zd7Fga08Vk90Lmf8.ECR.abNgHgBSv6znYcFM8F3uzXUP54jQG8ekOEE.2ZIyckCxkfSIqjuDANpPjEMQwiLTehrHozig7voNfqkThwp1s424Q08p2jr686szlrE_lYgADGmjlvsjh0.JmlKtzaQUVvuzJWD6PCNQ4fdBTtQ7r.gX_KCAFmn8BsKb.xGhzd3Ki8e5J0ecMUJrwTt.tCg0oXbNpCnLlvnRgyhOmZumTN2Vrr5OJ0A7WILnoCTwB4MkUC8ovcxbVW8irghFhKeXzRVa8nIPqd5P6kTsBUT9JaDvXLUlDC3QeM_nWT1bVUFafSbsjcWtkrX4azU1y7Pxnr3bGKaWt3yWzeBEVvNU2ity.NwOLmCOUUHOX3_Ex7ps50E3VrQoe_wy_gmfLmga4AQWWCXww4JlIfiLRaMNb2r.oqFIJdGaP0BqohU.bPHYoocbsDazgoXOgljUkK4oPXHgD752C_N6.jkF3N1M._FUADi1kI7ciV11C3B7LcDaJa73wpGgMly3V4PjLf0jTxgJfRcXC2FDUKOOtNKSq.tN7q9.MJEDhKwGQhvLEA2vofkJ6YZOYOlA8GqVxWsA3pN8TqiACVDecukQi2Cj4ZKQVp_QNzogj8OdtfCfq_.jBKvm0Qtl.J0Za8Ljn8R5Ch2fkLmh0VhtxOJ.bPrS6XFQOtLxhY8cYGrvL1HopRnhyO5DeZKXNB9vm9ixiLwUaqsqlBQwNVv2iFmnOpUatibDQeGmRh7pS_me0ULhF_uBGys.hevNauF_wcoV9JDzbIfC5DNC9JmP34vkridOidyxzODojoqPUrV42.i5I2CALukY8Fz7l63dD_Fks14JvW8RW5iC_hHwZdNA0LTfbga5iNPFOQfLb9tnowqg3oXRpqqHVTtDvy1VJhWTuvgyTg4oFEwFEKnARCRRvtf0sipzoLOqK8AJcNHXVGF1.Ki5q6rzTa4fTLqRbGo.rA5EHMRzROpjX1IjY0Kw6sqkh_UNUtWDKe_5NAur8R1flEgA4QbQN_XiHyw8i64AQSHAy1jAdXuGzS5HnvcdDe0h915w9Sw.WFiITKvVSvp8puqdqaJrIc9kNr8SxUvedqB39R2uoKp6uwAr._CSuyxMtMH8RphS6HUapXd9JzryNk6TjKnFriFo3erxfTEFIR89RtlnRRmAz15qHOzEVQRITZLMFAL_9Ixr3.ocncCK4IzLDn4WAbqSfNDMWDXJmDGhlDj056C2CFOUNTPnch2sYwDDpf0lv3g6y.x6P7goZQrgd.B6xmatnYfTnQ1.eLEQCmCoKp0fOrJB_bBdtYotMTqpdfQrpUwlnfz_boZlpD8d9FU64hT5gEkG_o_euOy8GqtE7HtwE1fqHNUZB5QdpL4KGXCHb..EddxnnSonG9u8rDynEfI3rmrht0.1eYctvER.kdIwV8z191Jq5qUoN5Qdo6piDm4p8ghIn5uK8tfZGqBlpr2GkLKHl5PrkS68B3FYbthCqvVCaTU8nnfsKAU9QVvVUdmXzAjl7MV53T8aeE_643cWQRhCufo6dFxIeOqDHBi843T2XWemwDdhzqONOt74bxxE8blvt8f3UxJ.UiX"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb1e74fc5d387c';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, "\/post\/6501729834?__cf_chl_rt_tk=jbaE3aBn0oyDE.sSE8EsHRKbqN4K3tU7K97LVL.swuQ-1739180229-1.0.1.1-3DABMiUhXHQgyrE2uh8OlVPkaSVp6IwiA4RBDH15WOc" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda