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://581447.mit-edu.top/post/0137284659

  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: "581447.mit-edu.top",cType: 'managed',cRay: '90fa064fafab0aaf',cH: '.GGnCvFuiTNemBpGmaaLFur_7XidBg.m1v7S8eWu1Yo-1739168755-1.2.1.1-KLS3GH3DhS2hCMzeRm7043Kteq7eSLXhb6fRC3sPdFpICc643MyWLvrTqxwOdwFk',cUPMDTk: "\/post\/0137284659?__cf_chl_tk=3vHb_2yPihWC3tPTDYneGtk.zkoDBcF.eKos2O2slqI-1739168755-1.0.1.1-tG_evY5EJW.HinGK9Z.RPvVId3RvSxVHQl2LLVcRkII",cFPWv: 'g',cITimeS: '1739168755',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0137284659?__cf_chl_f_tk=3vHb_2yPihWC3tPTDYneGtk.zkoDBcF.eKos2O2slqI-1739168755-1.0.1.1-tG_evY5EJW.HinGK9Z.RPvVId3RvSxVHQl2LLVcRkII",md: "K7ABALgm0gA0jwg_xvX.KYoJXlfTxHaDIAA_GrJvutE-1739168755-1.2.1.1-5ovofRbR7w0UFsFuOzbz.zr0DqeB7TOfv64mhNRAN24BjXZLKLxe4QxIF4Eku5xRWyR9Oafpu7sFlwNRolJXIiLYJTUqenEAtzIMvbcS6Ta0h8yA.KddBmjR3Iqp8KqI01WxWyIWls9qdK2B4irXzdq3B7ekjC7DmlWmDiJa8N0UIYQNGoJKozst6bY6ocCCl8MHDaKLJco5RvprcFmAnjxZAwzMJ_CtGCZ3nx4qNOrRTxSy.TorLnStR1ZeDCOvkcVSv1tXWiXOyiXrpgAhCbLBjgqBKd7geEaYTBlPxKByQcfdqhMAvRngsKJNBIm6QPapfNRML4cjhovZ53F4IBSBZBNDuZyBdaSfkg4KJuAVYgVlpf4iM1mx5VbJDyRuxSRAQce7zIMH2TDQUNM4wDyTaIeOwuXrYuJFTFVfYvJ4JLSk_FuWogGc1LUX9ncLdTQoXqJ9N_eqKHu3fjj5kAertfR9dZo.vro.hZZ8OUFkDXYUDgalVKU7yaZKEXmgzUP0sUK.Woognjnvqd9PiNFmTuXCNRhBbb3yb3RRwOVFGRx_vd2D.bk01e7btw9yIOROfzjw9TMuLi1INKWnqdCs.8FmhHfwJIIbrjjGHwDagzP9k4ASdi7UQooVxTH_0.RiK9ItsqSTFap5JoI6mm5332tWWi5XbwoAZX.HTqK8ZIJTVh1IZydA9woE7AiGAJALXA0E3MWMeZ3MGuAMUTxcvmAulNQ2hESfP9p70bYwiXp.D1_Jmye80aXrkshow4bNTybhHHp9M64Lntft4dU9EMr77j5uivMyp3NlG0L5BTBjhD_V_RWeXxM8PktfneTUc8g5ITyBhgWzjm5yt6gqSSO3M1UE7Tn1aAUhMdCLj48hAZ.Qpnsbv2WHmf4iBBPkDjpWmbiRSV.G4iu2ZQV4HRsJ10aaPL7qsBLxODN5xVSaxpAOmfozmJbiBNdFFFwhFciJGFQ39JbXbZKVlyuZ.AEO256GzXP6U8zdGKkjeuQE9wNGEtY.eZ7awnFbmhVqqMoP_fg0b1SGd3AaVJEHkQHUzeb9Jjjh56nm8PapeteyOPkxGiBwm6M2SO6vl2dIfzMSbZyYqsDIXarcer8wVWytUZPLclsvPN86zbgSNaLAMpjUuwTBBpFp3zJhCO_..Z7o.j9o9jFBFJjyKHH5E_fmq_R.GE7.AaZlTSF7p7kIaE.FdN65X8rNgVUcv4mnUTicM8OD8SKEkgV182OJaOh4aawIjVfzUtGakvWc9U1eSUPjsuKfwi3rkA8UEzWKdFEAAdczIYaa1hBb6yrfv3yCsrP6gRbHaTN5p6GXFocIrETwyMEADdH_UrGClb2BQhwVHqSHxAWLtSMFTJ8M8psWPFlGTmpGGELoJCi4XiQRfqaqqqzdIh0L.niW7HfJ4k9V39DyT5q6cKcO4mDaeUHBiE.Z_R_rWM7lsdZ.nqFcIMg6MfzrRk.HRK.RcLM.J6IMUk7rdoKBvYG1sXKFV4Rc9s1ysVgim34sxmw0wVtkMSK8wg4QcqfCgOZCJ5c33neCeLwNrfF7NQckkS7AT6Q._ZPQXho2MK.F.TB0G7iq9rAUvhOpgtMK28FRLK1h.fXOwdpgi8aTRoi1Axf_4UdatZpOdxj_bq4UsANaAZEB6Uvr8ftN0g1VFGoVB9c4ONEv9nSaWARdoBbLST1.gAR6jUKiV7x8DAjK4iVyGZxHZKVCO9LzYB1E9MJFPfHdQzpHgAESd7z5Eg_JutKkaeOhe.Iy3bXjei3WsbzG9p7Nobg14dxff54qnW8px1XRVFJ94bKIY7lcHsdAzP21AMqpRfzCKPOpemZwcKolSg54pSRt7.bblKZrPdbFtvqWNfz9wy8ZJE3Itx2dv5JksuETtlclkgsmQJrIj3MikWakQBNmyAxQ_VMSFAqMsdYnb_NccCgma46Zc52dJ0SJCmjHIkqW5UJ4K6Yh0alMxQYcbjOtV8jdV.GUhWDN_rWPozJoIzofubOYUhb2N0u6YlX5p1KueNGdEDyDwW8Tt1OEd55osTH5dVPntiEtMbF1rb3vDKUGS1mYnsmAowyQmKI1SkaQNW8NdOucFvrMh32z.vITwjMvb8bCs3LAgMPFm7MaworZc1YsfP1Qr.aeeP5.6_M2twvy5zIjjTYcf8vO8oke4XMlVvf.qn07yJiESUQ8Nchx491yRPIZCPIEs3FmRepd.IcDzjtNszo",mdrd: "xStz..3D3vg0mWPIITPf3IA6Vo4bWhRn0xOa9rdr66o-1739168755-1.2.1.1-0.KWwUOdctxfM7KqWtyrOEWju.XuQGrlEC0aSmrqB_fpO9a2QhHJspCI1awzQx80iR7wJbid162oJe4eSch15fioUe7Qw2nRESwpb08.BgNJl3xZfIO07O7Votm.3am9o8crIW2ciH.UMzffgmJcfCqtVD4IG.TQ9Ya8Mv7imGhZcuHAdEDsWEj4w5lR3Knen7iwPf8aoh4EWt44PfLZ1yzXpBnaSQqCSul5BdOccqCIVRv0u6Ui5rrtpmic1QAx0aWKTnt9FdU9rmFWYbYMOetKHea6DQ6harKf2IRdwicqD9qxe8SkGvb3imj_McfCC3JG4HPThMGM.vdcC6dcbzQLfh9nqVAXf46J88GUFxc7Nc5LTPCbjC24cBcqpw6PcFE.GBHrsT6LoAyfu.6acrVqU2IdeV5rzXzRTW6CVkFUQspFYZpX9LWvqjJzmi.58A6AJNrwjtEAu_zy5vdFC3olrBNRRm596hCf4.Bh9YtOga.eSBsPSXHIDmnHLlHeEeYPkaAeXGxDVpkF3IkGvuyXhp1xfmbLbUmlMvP7nxm_AIT89NQtnwylIB32dz8ftg7nVpR_mD8vRmn.HZXh0zg34ZitDS6JDK6VNRegm4JuvS0HLX_CbYb1LFMPNlIV3uL5v8DXQ5F1PDpgV70wjAtsmC7YmRk97pv1Z_bdzmicvzgBTmAuPg9__rQiSKGSQ4uBEo8G2bWi9t.sBlxbPwMmG9yhOzFwCcwNC9jtiUMYd6w3Neh_NJ3pLtcjOlO.Kt8WmhL6WPMMfPHiLHUl5AvqeYHUNCZRoqLexQmXjHyzr2nUw9GfdxZtjiojkFHgQcMRBqRur3gBya35Qc8wlbmQ5K25p77y0XQ7g1QRE5p_EEBsl20AHWMACJMRDqzxTYB9tel.gvwb9vvi0EFBnJ4DAthwyvOpu8qRiNipUM.teysYCcyJdaH3xb.NjQJf9MxvUBgNGOTPjr_PPfxFOg0oxdofX6vF_HGe2madfAOKgxwbmm2P2e3WZ7e1tod.lIku4Vh0Lxp0BVLllUu2e2FugiFcER2775hoHUCnJUM0VsLywJRzgYlq5tXuzy2zJGURYqvYAzo5mWMICA23B4.9BoIipblQytbPZZyczOtRdttT8KE793lzycrotIO8OKSd_15RqfSRYTNfLOVs08V4xhiOehKsQwg5ayXm.J7cNoOlGgtDigMUSCWuWJF1ZLjQWQyomHZLYrju6qWLrHravoZfwLGaNYb57oHy2htzMmWdxeslIm3ppzA5qjOaglauBVAYEp3UUSsB.ArhmJiNZO0gMLZUiaVRyxk5uAKR6EzuGZgibxWhXhfvS5KbAzr7pbJ2_YwuJ26w8GEYQlMWs.Nj0_cLlYXkaPHjeyJBtQnQtcapOBsb2UpkeCCZxwvXy.gsUfrcB5Ij5C_FT77xC8D63X7k_QSx89lJNfa5xStd3pCbsGg7b8HYhF9Y_Si77xIKa0HRwb323aL43NM4i6da4kMh2xYZXB_Z01cB0P6UdFbkrBuYx1nhexZahsoge13LqRw3eAWaKNduQFjOsGDhYvvq.NQbw8s_cYhkzQ842kmBeCPCHPQELWYLz48CK3ITy8RTsqKdU5i8bdujl9MAxCrfwZE6_YDuBnShQdqHDusSNANBVFCGVyWd2GoAjgb2bHP4SPernKYF39GsuMu6qyaNqw_uiEP.UpV.C8Ebj6gIEyRMrlKCAsyPh7g83axHzeQSc5SsPdR4aRd33pUDN44zo41yfygbyRL_0Sx65jOS3nEurgFvlIVU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fa064fafab0aaf';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\/0137284659?__cf_chl_rt_tk=3vHb_2yPihWC3tPTDYneGtk.zkoDBcF.eKos2O2slqI-1739168755-1.0.1.1-tG_evY5EJW.HinGK9Z.RPvVId3RvSxVHQl2LLVcRkII" + 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