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://487858.mit-edu.top/post/0549138762

  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: "487858.mit-edu.top",cType: 'managed',cRay: '90faef671c86c98f',cH: 'AmWacHiHRvUKCj8wj1ZEAHWRZFnQJgFLP3pI.91cMQE-1739178302-1.2.1.1-w_caiUxtRJ_Pt16R5_9HSE8GEi5H9EdWD1ahVpWC.HdvabXVsaNPaUq5DpsHU14F',cUPMDTk: "\/post\/0549138762?__cf_chl_tk=ZEf9JfSSChYf9W5vSvM1kD.WbsV7vRSbovK8klykAnU-1739178302-1.0.1.1-rPd_yDKho8dg7AIzhKVVdUChTGmi5vIY_8_P4.sLxIw",cFPWv: 'g',cITimeS: '1739178302',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0549138762?__cf_chl_f_tk=ZEf9JfSSChYf9W5vSvM1kD.WbsV7vRSbovK8klykAnU-1739178302-1.0.1.1-rPd_yDKho8dg7AIzhKVVdUChTGmi5vIY_8_P4.sLxIw",md: "1qlTwjGFz2XtGrGInnbxuyeQmYa6gUw5gY4r.DzxXhY-1739178302-1.2.1.1-0hgoE7fa5r4VszRdbX4dgMCl8983yNYoc9GXz0WWuKeaDBcAqGyNDbHSKxs.xdbFaQjQpQqwaGW_JHXM7Xn0dct5ea0CfTgPPG3v6B1GTgPAjLKdH.Eysi4MgAhAdvRQmiiGt9XscKi5WosKJBIoHYsBYnyFZgWU3HDUP7GEF9vMA9hjwVGjBcCMlYVVQIRHRJSFf5pb0lU0129dq7nzqX73RHk4qrHrcwDnuPK.xbpMHWP9B7MJGTOw0GzjOipwG.TUgc8FTc.uX00.VzhrrnC1kiILYcZAOwWk8pLhNPJP6_sz41FkFFftJkOwQ2MW3iBAJ36S4y3shgD8qJIXEdKxcmNct0gAfQm6nDvstQzqNTM.2z5Wlou0vHgFdzi9U7X7wiYGdV3p0i8E_fKe7ww7H4ZhJ871zDPvF9L17ACoiHBM.WeGL3LWld7cJGleGZr6MP5PnGtiOTzPe97F4SH1gW1_icOuSl860az4V9hvmuJzO7G36v0GVp8KQzeY4grAP8eFVDjwzedv2NsfWGM7n9FlksWD.UjqgKuQLxpE1RKAQBIdoeFNf6_NHCzD.L.9DLxHWqpf2OjQEVS8TqKvYyq357CerFuPliDY3snIu8PgsW9lhdI4bPEB3f2FzNU9.LiGkn_ELGMPlQChePlE65TYwsiOIxlneBa44d.GAzE64G65kXy6NOZ_F3sfvLp37cQTGA.o35N_GaKHvR5CwhuxqAx5mNwnE5RNF9AkNp7k7tOzNRh1oGkAk68L5mUjan7xxUXQQRoSsxQRfft2HzEQ6cAt2rBQFYYNMeMyM0VbwpTeK5RouRLjfompoESkrNRGbLXHgne.QhVVrEqbkqwBHvXjuuF4u_o26kRAUki6LNO_HcfpjS51wmB.GwT1I9lRGwfec9MAia38oQqXzTTaHBW0gY3BLYciNBHOeNLf0gw4W2GpeRXkz6U5gw.K6n9a9deDNBFVeuMkiwUNcNX3mFsSBffUGZJxwcJjzfw0Twgk8_cPZMKrojSjxpP0sAjMa34jex3VMBg9oI8XNu1UNsoDlotB83pv2kUJ3lMCPpramNtIutj3FETSDGQj2YfKS.RG9r0Jt1b7nMNRYsEFc67_PSH2mYNigh8wiEpEmEjnX8_di3tktlmhIoPJcz9gkzT4zAvcZheEkS8DkXl69D5DxgYnCeoyKovZVwbalrHhIvBoKjUrTk_qDiZFr9tM2T.jkNd_Eu_jE_.cnmVi.mvTrxQWjm3WTwqxxj3U.V4CG66ZZn6iGuLjZtif1FqsNo7CicKHBZILaFLCQFTmNRn5AMfSIGz.O7KEuTUZJGYWB4U.Afq3o8ATG.YbC3HVhXypygjFk.OAmAUufws8Fvuq7Mp8SEu0z3RdD6h2YixNKRxjXLfwQERawRCphScJXPSZ1iVUDhWZ.qXdDxqI2qkcptBAgjmJLLmGF_T4k0Z_C9ZCW6QtkYsOqo7XjRWZF3LAeY_bC7GtNb5zi8Xi.cTVJ9GYmnh0dHVAGz60Qqa9Coflya9J91CqPJHB3BzUhT6p2ALi1Lo_M_gp5n81jmwlT0IX_UyUPf4GyQWO9xJJAZNqfCG7htNmz.eobLMhKha5TXqpg.y4ArXyxcVZMSyso914aL__69BAL7gDn8nIsEkPCDe.BLn94nmUdRDGE1w.VKW4JsN8pSWh.NhXiqvMF_Hlp2xUtc0H53RY39Q8J08HVY1ml3kBU1A4yBOMXlM0BZurt.AqYuEUm73a8UVOSrMaKB3LOFFpVP7O8dAEeElXtT2P1X5G6cxOz9BP4pnCb5yr2XhFEskjTG0iY0EQYrv5a0Aw30pZocX90HorfLyYkH0kPGpgtYgY3PJfLurkQYByv_eRJ2cp_3sDAQu4esardpDlKVpJvGJHxaEJ_l0wheUiVBipqkAOYzHuI3PSFoUJ4l.T.RlIui5jjTnPJA9XOWMLKe5VpKfK9uRYp82V02QSZN0NGY9X84wkxSEuGWyiASqM6BrhrDAKyslLUP20KJAworE7811so5V7YPbyO_Tc1JSMki.ILJrRX5JLV1g0kMJUSwZQ4_Ln.1FEqNU0lb_V66pV3TmyY7LRLXbnA4OB2crVxkrL1ljnSsSpns2ruhZ0ip4eibZwJVaTPVueOv.nPyCxpLv4jMkpnzZAxv9JKtmfqqjAY0nnJKzeFAiqlkMJhsuJuir_akgxRJMoyCrmmx0",mdrd: "cThGu49nW2ZvfpqJ4QQNIo0PvlkAei8vd.RQxGs47NA-1739178302-1.2.1.1-IQm5l45idBrLypfj7eLmrgWl6kabMMxr2iOaufRJEGiwFYIGMcDuFcl8YQW7eRUBTbmoEOHMB2W33XcUj6Af4N6klkqCuQERg8z7Qv6mku0fot.MlJgSTVCHPfRn7X097Na0xZXEY2L1WhiJ8XdJfAVr6gtYPdGKe9mXxY5Ct6A3XIwYTAoqA6KllADN.ndAaixGZPg7NNaD1sv0O5mWTGpw2LwxvPTSf2V06cg3N3yUUbrqrA5nYi4ssixEy7hKXZyMEdCypf1iGAhduYXjfFEW9rsT27JobVER5eooVr5HE5zKS5AUy04.36Im8pXfG_e7kbV_7F6hWVUQFGvjY_ide.SJL_WyxrWE.Wkqxa7sYI1T3aNoPTfDgiEI2bgOsnkEtY7s1Rdo4Tcrwb3yXhJ864fqrYYWyCD1nNZnaVOBEergHurXeofoqEfRxGVask4_3u2ACj0HZLBsjIPgTc8g4Tg5XoREtCimMzPOiPVdUNBjcCHz3R3OC11TzxDAYztIcz6xwGuLtdeKk8jMKStfJuBl9tKUaQjG0zt1XhgC93rIJCokBc2VrcUIsCH4y5bRHbumOX6vjJd2tBn1_39QQY_cGZMcCOftpUIngKQVFVL6rSolL1bEEwnw8Xz49bo.1ZJUQayoVkvBf7VP_Lksj6X2umYF6mD4HPBDax1fV4ucU9ub9FIYzeEx276cb2i1ccWN4tMk1XijNn7ogalbK.VrRn1OsEvkuHQ3KL4TCllLtnWCRIK7W2WzkCAIn6Z73kmmPwSoi96KjcUCJlUtbjmr9zauWLYJ5Npn1klBn6pNziMX3SlcoaVqO0T60EWIa5WmgXMgpmmDQm7oBOSDjx_UO3HrD6g8mUYrz.EgfYgUnFYx3EBxkRx5j6Qs8wTaiB8Tk.UQyEXtq2gLciUV07ErnaDjrZiioHXlo1LlDXiWCunhaZDpZUNeL3TraEIUNgw0GtRY4ShDtBH2gHKSHO6u8hZ1C.wwXXHNw26G7ba.Zwyn9w2J3oPrUZmRGyl7umeyBFa0nWAlhupdLCV3zwAt_szRCevD387ViyKX.dmHhi_w5tb6UdnmFeatgt29PHAZa8BB7.XNFH_Wz.lUgU1ng1gyCXgmrWGK7lm70hJSoP3l5mMXfsmQ4qmQ4N0EYM8ypaw_dyafa0vjAxmi.oRsg1ptcCZjlF2tMDC8OLwE3x1e6D4o02MFeg6Jh8_IIrRD3vwBpWH84Gkr1chLehtxY0WNCrP8DgaomMeT4D5kWkVYprJnNccCNj1PgEX3QfwwVmTiicwR.syHIY8D_n7YMKhbDXXXmT5LjsVX2YwyAb4zqhnAMAILIKbhR5la4kwRBJBqYR3DusHJmDyD2yO5aH5gEh4XA5fouyNj5ycqEW6EdAuo0FdU9kbDaSVBAXOtN8EyiTrTp8OyOmMpONvdAMJdxLtx2lxYK47Gf5KF0kRzl5rHqR0Hi9JgPPjbfcKbn7ht3yL90Ra9PV7SsoE.LDw8mh8X91q_DPFp.Ozo49iaUV.i4FtHdl109CzSQJ38E9JbVhXYFLzBw23E1fKCMAHX5sMY0DyYoH6Qz9GZ6NsbrqaYVt090am91huyyy_.5_EMuLz39vCo1_5O4Su5Y8GGdkJdhuEEJRBzJZ.hyH5qh_m42zAdcP7d3OgqN8LaZEMEJOTi8_Og2KIIyLtR3u7BbCQEl5jOACOU0LtxS2m8Axb42lprLWg_DpBMGDLyBs6ZuNala4ZUlAnq6n74VFisHESwqH4YUbfJQcvWa6Ka8m_KwsXCid_wrbQ2nXuXFHov26USPkBzYw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90faef671c86c98f';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\/0549138762?__cf_chl_rt_tk=ZEf9JfSSChYf9W5vSvM1kD.WbsV7vRSbovK8klykAnU-1739178302-1.0.1.1-rPd_yDKho8dg7AIzhKVVdUChTGmi5vIY_8_P4.sLxIw" + 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