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://573920.mit-edu.top/post/6819075342

  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: "573920.mit-edu.top",cType: 'managed',cRay: '90f82d134ac7c9ac',cH: 'BGm_9l8cVpXmJJ.qNpmMMpNMPwScR_wlYxXqnnX729s-1739149371-1.2.1.1-oUpp9cO.BntnbaDqgNbLFuaIhDkxAXQomp0IXMaoS8IGzh56RsYyz.apcOaHnwgf',cUPMDTk: "\/post\/6819075342?__cf_chl_tk=E1jmRRIXXpqWEpGD310WAV073vtRucNPCvEdz4th6As-1739149371-1.0.1.1-ewTj6IkLobZdzkeys0qziCq6xh7wRJs4fkumA8Tfr6k",cFPWv: 'g',cITimeS: '1739149371',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6819075342?__cf_chl_f_tk=E1jmRRIXXpqWEpGD310WAV073vtRucNPCvEdz4th6As-1739149371-1.0.1.1-ewTj6IkLobZdzkeys0qziCq6xh7wRJs4fkumA8Tfr6k",md: "bv0nGLfYqZNj1ziYDQi28wwukMvCemCvnrXEkOMc5YM-1739149371-1.2.1.1-mbAPa0j18NQq9q56QiiCbLrasZO3zORsNSikOZoCrYXgO4rtN7PTZ0OU980Wr9Khd69OOPfbMstrg6FZAdwljRY_WzRLneRnAaoUkjAWOLbVKcPqYiNaPGpmEMdjoAcOWHo9UHbGEyB7nDTW_HNlOuUumoFq3e3oj.h4mUIaWhhFtHHDqYqJoxqis8BkGwHWDeMClJz.NdR9NFK8gTECurTQPLVHWxtojk17AMwsl4cPscW1.Bgd1cdAcKgZ1D9zFObnq387y4CK_NxyNucavIeq_5_EIFarmSpsEM0pSY0p.yZ_S8OpX8iQtzh1_K_nM88ZCYi_VoE7eqSLtZ5NiS7OisrpQqT0Ph3YgVt9mLiPF34uXjkYQyUHwGID1PcEMVbH7GzdOxvuWFdmiXtQ_0Z41BknSQ2lMLtGRea8PkDKVDzG43n6S3MP64Dce22VTYKVdz.9wCQ_VC7DCb9Tw_U8p0QXhIx4C3BxivKzHApj_r7pfh9qQGi7nO2rc78NTtDijor9lyV83sUZ5QZpFUFpM8SvD8KSCYs1EI_oKlhmGpaTDpCgmLHpmQmyAf4QboGpBIKHsxO1N8v4PWOK.Sh8n30ziujJDfQ5mWiiN2fOL6C0PxSvoI0otvvLZ3WLXlCpOkHYV1_lmXVbcfGUyjTYaAfiq7_kKQNFmSeADs6dB957Oa9JEFwIdKfpVje5urhPmKQUGstZfVJUs4OUM4wjwJqWAd0BfdaSGuVZLBna9dcV4KXc.gwLPQFdtejjrpXEqjESEzSlAkScR8qlKXuRgPADCWhJwJtznW4llHvq_jJDzrZAum0luOS8YralDUfWYmR1bxHz3LFwt9po54CcvMzGMoCFOdFhYUuDg4aL7ji2n_K95reRdfb28qFnTnNSP0EaGN64QB.wTZ1dxH0LyRSlM.ZGOikLu0psw9OjSKDv8P2kYNtjWMnoGFklxs8gwUfvBdfxbWLll.j9r7uWuB._Gp7OBhc40TB5SQJ3Pca9jibgbAFV9aYWjL1YPhiX5ITzkPQttTPtxpvwpiwRBTUAGGYgBOVqDlbhIlflw_W9wuFrPOiAdiH95Hjrel4Dv4nudSbQnGhT1rUs9xcwKse4YWW2Jqmw3Io96WQX3Vfry7Yzi3U3G01vBQkFLxD5Xz6E7v4pISpCQS9p.L6EaCRWKHODFZepUWqYzMzRfORhY1z57YDf.GHPY.k9sn6hk2M6Wp5FAt4gZin4wlUWGJF_Lg.IqeixpKw3W9WWSUjIpmdwTyDzgj2TEe52cUTxEkXDON1Jure5SiWNFBfx1DnTeKDXLJ1PxzDGYsJ9kGl5eybRgf4LIZf7pOcIeAayVsnMubEWA1c.tzzdEEFnjQNVXv0fhZ6focFSkZmgssXoVcOBehcmtAr4RGedCRKvejgcPgV4NFFlfOIyB8I9o3FDHob8GI_hD9rPlVcAqtcAsO_O.w.v2gaymGrLZSpEI5hEEFvvirLdPossi7UgAxlH_.EN34Jrh5tNKY0qFgZZxUmtNuoZa0nSRt_XWfS6hmX8aJ7J1ouhs4W0EQqIHXGkgB9409MEFxHrlIOI8CI7NKgAlKj97CHzrve0RHWB7TtmsF0znTNnTuKJY1VI_rvj16OGS.zjON8a12Cbz2eTYjYX0_uZRKcR3906CA16GFxUZn0C8uVl2vH.u1No1gtlSlO3ozjO10LZloiUVAbAnAgMEdmlHV99mem6pCxhdBc9japEYyZZWRd7qYfCWVka7WFMVOLNmZTLC4ZfOhTxXR2bru4F8q7qQM84MaHhk0nsSWAewcyDRzVrwXJqecWHjOXahBR.lI_iZHw6DNY0fKx1EfJm3euME5l8dvdnPJyuxCadhWA4Ay2uZhzvpnELqiBruv9HC9_sOsrzcgTZdcxi.BhMLGrGI7XbExjBFeFLEZdewnxlqclP9e.ngfIe47ZrBVclr.8BeNY67J69iMGoqssee1JLOHvyxOTmIVIFl32YytRWFRqlrFzKAEx_bh9xAIXT_Tgpk2IDXweN9oSgK1jKy6PER_O2eVJy4z5QoBWQu3XYQkFPCgwem_ihHhGhRrfgxkYwEzmlZTfXvTiNKd6LVClEr6WKegNR2fO4ZfQLGU3luwR8i8ti57rdPz_RZcNfz_hTFf9bUVmoITBu85_SCQI3yNyTa6NqFzIqxC6Z3eYOMqKpSQ0yvVStY9to4.LogKGN17c",mdrd: "23fee6heC5k5rqRentZDK.9tTvEMWtD8EU3xTIKTAAQ-1739149371-1.2.1.1-BG5SRGaNg9CVjRiC0tsihiFZ183SWPdycyUCCg00DpwwwUDyJFg_IFDoll_xAwER22Ht9SBo8.FFxTDSgXbGxEzTFQfdYF5ERFxBEiyawTaaYNAFBzI7DJ7u.WcNnNk2ym1iHYmEKOEkBs_mb6StWtOP99kqOdeOvwd94pCiXfjV6BY5di8dHXKvgHQ36BOZhtMc5NsAcybCf3SP2CBscZJZrZbWF9gz2nKlgDud5vr8a34WaaVeKV9VcfYv8nL_x5Ll4RXLJCSRjH.uf_YwRIB4tNrHOg.juvz7EL17yJ.hChtB5g30dsICJAiogB1ou9r1fyntOPkcx4TVnZniS.cYodbSAw5zmqpxrh4O2NqDKr.o4OColHX7FftirJm3AUqpwD0dnIWs5bT0yPQSJs5WPgjLhgN7tBrsQ8PuSLq7_smL5ZxpW3UDssvMHamnqz79QPEwUyrLZqWaTVsGvJlf5uz.oYN0ESteNC_goEy0tAab8jmfyQ7v32aEWwnzyqfQY7YWDh.dql594MnUzlXt7XiNch3jw.fVl9sUxHRGGNGS8c7xCJ5C8CMqZnDVa5dv2ZvEAwGmDhV9_Cw.8WA6nXlu8vxAkZegqlfmWPX9Vq0ecf_xytxeyPRwKjp4G1axnQuDE6hMFjhjt2zR3grjoJO1qHi2A7ZJ7eRDg_9ny5HmaAM3.YKqwARCMSqqnxw3FNyACd3aAhNcexegBQFquMUgqrhlI3B_W5L7h15Ivjc9W9ZNUCE_sN4YQssD0.sBzyHAu3NMG0y6jbMuefhwE.NuzZO9ydgbm._0CNujpLGNEUTgiz1kUoxFwMcPvy8Fdnd.5qPHFkgu6fOvmMpeZ7c3F4iyHg81eHzW.AmoX8DlddKT_uUMehnzdMbLV1_Slnfed5zJl2AbRuTAxqfqe6PQ4vpphViPKjgwoq0wWp3RQOvXwYvFltTUdeu1_bJ252lO21f5UllECxpybXifICnNFWzZKCNVeiiPnQvABHSg1eTlzgl6BTN774OoaHeKviMdzlFggNf.hL.eOUgLFAk5_gTrsrPxdtdC0JH8aFr9xKgD9orLwcos32PRU1oAto5uOrz6bCDzJLvUIvADLPYiUL0xa0qQ3OrZ9ZOoMJKKUqjoS2qQ7Anmd4imJjAHEOZHqUIdx_yREAoNOIAZfegB1KWpNEPQlLyrriqkkjQOjcYtShYcxhiwfVSAn8lJecEr9c.TqF7ABmkjJT09UFP27ceTr5PzEG1d2s1XcuT8jb7I8D36m6femVingldPAWkSZFUXgcwEzhQGRQaDJKZbpj76K5dJYFSNeLvSYLKHxwgR_DkoxuKFD57lSkFx1RcErSmJHax2LJsShYwqgsT4GcFAOZQS0gcMgbK8_f2eh7eVsaopDrXzcXdC1ZYZ0RNXZA9WbpRy94aSMAmYDua2vwuYbRjLdENwJBdyCK3gXEd1n0ZDCem5JI1rxgvp9X.ggddl4kYKKFPjVUOiUMRMZfK1KsAK.Hs8TOqgkO3lE6NFycWSehNNj7mVTYBPD0Be07Z8wXQve8iZAA93Gfxsq516AqarjPJt0nWLsdtTrtyc4fCE2hn_xT8wgNlnwxpsudovwPpXbo4Y95vSWDVy.R4P5v8RJ7iMdTfkEePEk3cqE7S115hAUu586mKQ67ZQncEuzbo2yXXslJ5.DzXQnSJRARNXNQeELSe1_osdn1X8PWAivggqGMXr60vwVGwM89DTKGZfOznQHKoi.GKL.IYXPCTCaxVzaZ4gTDVWsZdd_P3zSMeRqxNs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f82d134ac7c9ac';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\/6819075342?__cf_chl_rt_tk=E1jmRRIXXpqWEpGD310WAV073vtRucNPCvEdz4th6As-1739149371-1.0.1.1-ewTj6IkLobZdzkeys0qziCq6xh7wRJs4fkumA8Tfr6k" + 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