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://blog-251118811167.mit-edu.top/post/3029547168

  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: "blog-251118811167.mit-edu.top",cType: 'managed',cRay: '90f3c149af60c98f',cH: 'kJMoBgWSGi8JefrHiwYinldaUqSNfCmtjh6TCfoAbNM-1739103013-1.2.1.1-MkqRduaEhi3F9bOwlTTmTaFkgynMOd8WFXR0GsDU_DnSsgFjacijnqgPMSXYSZ0k',cUPMDTk: "\/post\/3029547168?__cf_chl_tk=ckYA6FEGuKzEvJn0C59BM9UdLsAy3McymDzEi004TpI-1739103013-1.0.1.1-lL8Djs_V_ZTcnWjHlc7s4MdagF7gaI7y1kNojFQOuME",cFPWv: 'g',cITimeS: '1739103013',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3029547168?__cf_chl_f_tk=ckYA6FEGuKzEvJn0C59BM9UdLsAy3McymDzEi004TpI-1739103013-1.0.1.1-lL8Djs_V_ZTcnWjHlc7s4MdagF7gaI7y1kNojFQOuME",md: "rezRhWNkpRVnptwt_y_Mg91eLdZYV7EqzlVXO7lk3vE-1739103013-1.2.1.1-jcHmoliMWinwZvz1WSV2E5kFEVodxUPgQuKJ3i1Amj3C5zfrwXDcKtP5yXx9_k5_0yMMxfcbOG_lQ2JN_us26kRCWSLDTI1hQFAUjHdm7AkrCTC3ZQLpNSNkbydb5e_wTF2Swv6W3mvWm.V41brQLNsw1aNvmYu4i6ytLaH5cO.Zlhj1ayErjylO6zpbeh5gprdfCy.fELAWWPb4_5WMBA_aPhgoJsw9nEyCspwEBTfdN_HJ.Kaog2n6jIRk__i1KdRq7uDuIYFeyV0bSISD4XCuNUwAIYchVTiSgOc9Zojwzgj5_ZgWQlkLZxV9MrO1jkb9YACki9T38Opv37n7o2SitYkYDh7gb2B_Bx_X.AW_h3xa0c.zWVWkWeR8TTkprJc6QqcC5wWtdY4nqF.iGXnU3dVgnTiNN.LY0fTy7dM9jvXEQkTgprjzzyjmcrr8tfFRaVDQcw62e1YBMtEouh7RL8VNZfugMnhp9D_9khAYGGyGQixBzSMs8E1Q.KUffkjALnb1SQJdEoFJ3QIGw0nZvqZKZYb3R3FFfux5kmo9tTLMZIZXLZI3y.7RN15HCA5iNLO2eAEeZdWFnlHQaCSoNLHravVq0R2EYAxHFRYCA9hT5rLqdC5xMKweGRYPUXdx1zNGP.62PHk2LM1LHrLl_l_zOFVpUHMj2s3LNjulVxXaSupRzDQ.cWb3ew7phYltiUdZyAdZV83t2Jq9xwWjotk1YmCluydNJb_XhVtCtmwEjrKAF3FyIum.qWd0g7EnZ1EoQWDi3Ny0h8DP4YrK_i6PraC4QwKLQNekdtD8Lh8.GypgefROObibzMWkadBc3VYHiC2dvcG1I04aClqWoZp7zKwIEjjlfVEgYudQ2_hczhOqkkhB8U0YL6aCIYzR8KrLjqBb9u9WrK3Dc8Z0jdQVbtkKcRhbe1jt0hZifqJLi5RJ7cUulx3ww08cj4rgv6Nhlj7FkWxhcNPqzuk4nMqzc5qYeyVUSmyGQOhaXdUcDv6thK.n1_J7N4I7xV6VGrvTfl8pGloyPrwrMTKm2Uqv7Nk1tFCzAtUhzs_pQmv1DKLPDzbVwOhebdSH4VXDQU5SX2OjZDl23_I..sl636yeG3fVhcfp228TfjqeBzrylVpkRynoI0QYMmj0VzD532A_cBkfnsArFZD7sA2ygoqO5feenlNGYk2Vq9NweD37OKeFmh6RdKBkcucFwsiiYl_09WUqouNkNdQy17MGjH5tjhcHmRfgjDdpdyepIM_gUar.BYxZ2zKMlSaH28C4LAtUBZFDwhxiVgp84pyE2uuRTIuOw9nE4R9Pl.vb8PMrKKnQwi0sKts4aVx0.OtwjzhFq59ZxCD9kyrxp74j71TqFtaVLOqiy0CdCaaNQHs6dkM26LDPjNMAvT29NoE6VKYmLjEFj7bzKTf.lMdHmJDzjATtAhg7qesJtawDt3fYdA9Cwg0sm1KHs51DoFI2PjfCNPv0SxGqMWcYwzsyWiJG4Yyv9dZiRfmyfjQaXLF8E.wbU72u8F4yI1vIbBKQErVq_4Uzp5R6Nt6ICpsf_Vog9.FhNRn5OlLDXmngNxQNlay87_nCJEuezUuirObcNUzfYqZuW.Tr2Cdqu6lFU3TP5hAkrYRKW1VbSZ1K1oqhdMDjn.WFnTx3sx.VK7e.5Z0vrKb_EDn2jfUg4IKv9wlmrbEKHvnB1sqvIF1wNYXBdYKZ_2GvQXJHpBuZNDqNcxiu4c8isJUD_tOvzfGk6PBOXXMnv4aFWYy2qANwyvuxmlSDFP0Zi55WUk94wZY8XWfyeJ0eYMr26AU4N8JJo.E3kvQCDzqs9WEFTods50YHSpRgH6kVd3C8hxnQQ0LZoF8Ur3FFc2RcC8l5pAsVuOMy1FNs05uAmN3qxMqeJQVeSpqyaZl0ljfXuZE4mLVf2MAAJesiRtkPajR10ii0DY5mDd7ghMXIRJ5lzxtYRcI2CwRtbF6Ncr.m01WUpKhRgc9cMA1GzblckySNix6QLgzI_UBD8beMmidVpT6zQK48evpyDbNGtbMscbQevc5EP48QV1aWETGuRm6DjSBq59Nxh6pQZlgLhQuE49DwrjbS6Yo9h_fSe9qCwkDuKs8Osg8YwbIATv20PbjJrh_HMFv9ZZqdgDaxnrPWaPJAlbc9jdgd7Tf4UsuwyDZmkS1ITVWqhkRHctGT1zlXr_uyRL6Ta4khtc4aEGL_r_ToHKAKLa_b1k7XWswthpIz",mdrd: "2yV9OqXI1STTbcTnQ3wf5kh.CilUBdW2iDR49CkmUxw-1739103013-1.2.1.1-0CLZ.6Z7B8wrn7wVEfXVXXE6H7SwlU8A9v4S02Wu3M.IfPdvbfDlHajPoJSYUE9xB.ERvmRBi3cCwSBkwiaJX5xKOaDD4jXe9gW69OE2yM8lB0JoVma5NcVYXDxTCbEX6YvdfmzbHAbeU7UJaHiafE8XURD3h0fUpv4MZ2K5LEOLKw7xeWLun57K35jwukNKanD9kNOhrnTV_GNlGl5_YmUGTp1x4fMr.4DOZdR5LQPd2D9AS0wglCnpn8k6VoMLOedtkCvbzfQbTuRjuPq3fA.8yHk3NWIm8u8rCbdGF7sru7m9s5pNqEsPEEmbPliOXhFHOZwDBppJsPfgeaI79Qj2E0PI0IRonsFbbF2hDVn_QGJa6JIoOWhJ6JFw3hoOIGhCNrxPnQLLZr3.EhZfa2puIc8kTJP9i8ryt91Z.W2HtnucWn_LcpV1ZGsMdxWQ2MhWZ9mUZoyePVuxBOe2iuMqJUjw4q7pOMaEqsHmzV3H2tVvpDCOlS2l.bO_PwuRmj9KN.Z0pYtxxBp42XB5pPfcu3PeZ.SmtLqgWzK62YQUf_mFJkL_fLhALqaaPZpj8sLr_idAcduiQ_BTiBjy3PeyW9JxxqPtjUUT4pJJ6YYM8c8Li.XIs_F6vGkRN..1kCM6cVuyiyEv.Tthhnu2JVfomOwGaZ3Abtk33HraYzW5RYRkH8QXfTDxSXiTvw6X6GWlHPzuuxlp6tUI_1m.Z4KvbfFR1kozYN4ec723sCrMuZ6OElCh0fHkPCQb5YgTBtydljx4ekH9KN_Yt0ldLIl2GvZbMb2FwnyQ2IJJkddrt0fPa3jQ7_vyejSr35RWUQqKNMMULHf9Ir4XA_EQmbsAmcOvfVkit4.1timJdnt1XMxJp35N9ZYJ5Lr07T6T9ASx85ibFjqASOaZIhEF8o1CvPWBMsRX_BEujkurBs9oVa9ZWombYqjw9buj.G8_6DeG.Am1sCVXuGu5v4mwri87ZIYea4BphWsVsOejI4UUTIzIQqN4oeP_s7OBEn7t94z358dpC4Bw.9Wwczjxf7ONM15G48tAXGrBPB9HX1I5Qps5o.p61dRVl.5vydIMt7etFRLvvq3NgTK0Lchdd5CEwRP92QlXP9UAxORicQ8XaNhJxaxR2s1HbWKzVHBEoeM4DEFo.XQI2C3a1gHNqlClqHw4SHJSv2GjlixC6Ol3TOdC3pf4Lyor1P.Qva..NyLXTqSoXUdMicZ4UrrCPEZkR1O3kr1aZcUeDt5DUKGPcf0H0KEEmsTS7CwAhZhpeRP8KIDZdbCwCaAzlKKdmplk4asGuo_VHSyOZiG823gAcXXaHCg5pqqbmNLArVwHj0g5IniFG_f_U4hwrK2zARVTvq3kMYMiH7RS0xZMqKDm0AmEoiW7i9DT13Xo_C7JkGF4jVOWhuGt4Mi8PGBUhqH5IBQDjeHSRmc8bmhMkTWe22KJs0YOhq7Z0M7rRddfq6fvaVCbm9qrD5iaHZ8dvUyoPXRZGJb32k1We951qPDa03tqe5dDouy6_S_S_IChLHbbcQtQOvABIh7_mwZXp.SvfFKSdWWnNPJPJutbgGZRsSocJwRyDLrdgahG5_zOs_M.f964qrNSejaBWrjwwPLzO6XoVz4izEPhdfzZ7YxsiAuk7LL.I7CHYENqj3XkC1VeItyoYAlo669TdIIXtwdGdJ5M2ijwX5gz.RHgBU7kpIInDnDDIGTmxLJhEVRMhyD2l10K5ga_gAbWFyrbVLDmxXuSNpRseCE9NZ7xJEVQtlu6lZuZ768wu_E_KJLIQhsYOSXIO8Nt2iOwSr8FHQ2rH7wGaZrCggeUy95Cfdk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3c149af60c98f';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\/3029547168?__cf_chl_rt_tk=ckYA6FEGuKzEvJn0C59BM9UdLsAy3McymDzEi004TpI-1739103013-1.0.1.1-lL8Djs_V_ZTcnWjHlc7s4MdagF7gaI7y1kNojFQOuME" + 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