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-affnutuvf.mit-edu.top/post/9856701342

  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-affnutuvf.mit-edu.top",cType: 'managed',cRay: '90f415fadac8c95e',cH: 'ScI9QDi9fVkzijUJ7rdjsGmF6vAWr.B3MA4.BLDYsUg-1739106482-1.2.1.1-3cZF1j9htrWrPpemfvHIAhlFzF4Kg61OdpHDVxutvsmLV7jRk8csb.NGKkh61Kqg',cUPMDTk: "\/post\/9856701342?__cf_chl_tk=NqRfb5620XPMFMF1Aki_YXLqdoF.6Dp9Rhe5RabbMaI-1739106482-1.0.1.1-QTMZHJOrlNjbHxK649ceG7X6CAg1PclCcL1FGgzousc",cFPWv: 'g',cITimeS: '1739106482',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9856701342?__cf_chl_f_tk=NqRfb5620XPMFMF1Aki_YXLqdoF.6Dp9Rhe5RabbMaI-1739106482-1.0.1.1-QTMZHJOrlNjbHxK649ceG7X6CAg1PclCcL1FGgzousc",md: "8S9fotNBdoUZWYzdnyJr5DLzkXmQqgYUhgd1z08RWuw-1739106482-1.2.1.1-scUwm8JbK73az7rvGQfj8wCcctZNQrXBnoXCYc3NoSlh.enb_t6REnAcFDIWLw0ITBa0rlJ_8o4PJPsJn62i98OXvLIEhpg6Nj4M_qumh_NgW9357enf_rfWC2eL6WQUzsGWsj_Wd66ddf1gEppilpsyhx4uE5DUISlobD0ix_1oumDF09BId4Eg8vRvwE_UROQDMQsOSdADX8_y.GsO1Y2hsdvjnhxX5KHlNQje0QUbFfzZ02NyUDe18aaSLPUDmLMnu8_wRmqgazdt5v4MS86ayAHPsZMbADDMyT2xzNgCMXFg0NInw04tPt04RTNVeOgImL_b0oo0uDqLKwuuXCK2fiNK9a69FlXOhBZ476t7FVYLfy21ru3NJQOyrOmXykOqLSimIaLHQCellsn4Ekj4woy6g07AT2K7u8FH_jHvWavRBkKDBzTTkOvSnHGE8AVK4yQSl0ulT6kaK1Gv1dKw7vB3.HYVonrWLKLPiYRWRNRFGW.y_iCdvWsbDiM0KQr9ngufKZygn_DiqnQn.tCFmW5aeP3RYq4dRI_GlKzbad95Sk5KRSEP06Lp5n7Y1sJY.Bg_HKZWqbquMvzZ_HkcwFtBk0jz6m.WCwjIrMwx4UgEozN.LViI73u_XOVBpCHDLZDW5a3GMuybGDoCZM5JhTmG8LzD7yG1kjsRHQVSgZw.tD84I8bFlXVStQt0GBrLCs_vSQ7dZhs88cdnog7yNX8I1C4dcyNtrkbtn82NfuS4hjZYo9DLHJ6Z84HgqjVPJoEmt3cTND_O5DJ66UIXsGI.7ubeYSR7oysWrU8A_vJ8iIBxU.ni2UMTcII7rvVm4K65Mewv_NcD6LYlMB29wNSQlGJxEuDadO6lQRy_QgbKHoed3Jug1fwrytBuIjReElWYUEB1Zg1_JvKT.gIniCv9UKrUJTl_NdETk.pFTaCl9602gyqkk_JXY9l0.pTgCJX5Z1chHz8VMs6yNefPyHixXinHrDzk5tixhbceFFqP7Z89R3RKU0OzRWeHytGj72ZCFFb0qo0lxZxWV1_xAbFB1z.WBvCJeDzHyeAwSWeDWsb1Bdw.MzjkxkSwM62_HeJJ1jBzWCdlfL2zLCAuPQpD5yNYgQXyfz03U0kqHmbhi41rwZvPwdIXtWtAjkXdTJupdlbYV9xI174.4K_2QQqW_Q_MspR8ZQmeuOoowiukbpMGCkI4uBeLy7v_8GCUQEO9Fckv8MK2bbrSlmFd1kxgz9a_NoIztajCwbdecoZCq5kDXVHloNrMepsMZ5SQU9Pc0G7t3Up2zJ0eDpoinWHwZW3RV7yInBMhVAxFCe4.IN8JaoRau_xRjjMW6l.EEcEYLJIEAhGYFQ7qm_aLt8CmF_spUO2Ki04BlHpsFAbxvmKCD0W0ozPr9CZ88kTS6scgSeB8LHE0KPL.kL0gbbWOmlcMMG4hqlpbqCgqKpsXDC1VaDErp7.qhDuRoazDKM4hX9FRBymWOxDjqHSYMIo396G1pWbrwUt7xUC2NTcfkBr2e2UVmmojUefsCbtz3TK5r9OETO4Xfto38JYA99IXrFxFI4xqpb20guey8GBNViVmM1NEA6iLOQQfTsk1ILcbEapjBsYQigLn2zlKXBE5UMvelERTyt7kYM_cyEGEV_qpl71b0heN0mS.C7.t_6u.zGkcjfVqHCtSW83NhHjL5.mfXgKZpL_pS5GJCWPkiuK2ciJI.cw9Fvs7WP8v5vD.CjyE5TU.LFLyTE.NZTz4ZP17YjjS2.g3DRvqoqn0xKeUbuXmUtVkq7c07xmIVxFBv18JTmUnPo.6rG4o.amBqKpf8ypQRCtbRjKBHqVFtPiflUUIB__ath2EelU5gdhnp6EUHlPsG4xizdQJX5YOs.1ZuFSHx1FnXXvEroZDz4SQzGVnpDhLUk1hLLPv8SsIZgW1484vCn6QgeVtHpphrdT2t1.Yugd9ohIihq0.I47npyY_cki0OSHaeEAz4n0L3bBSLYuurr6OxykYG2K3WkBD669ZOYNd93z_8LO7V1_.VDLDGSZDFAVHcmmRy.cEXwo8fWc2Z5Scd7IKZfTkmmOL1svHQaF6CObu1zU6ryncdDEOmpA4Em6msHHYfrgdbkV_YMYWXlRmFHm6vUSrLf4jOsd.yOVgd_iBMzzfKp26mQKnyJ2jsh8rX6Ycs4PSaDLtOZTeK35SOGlYsgyUygKgKCqkbpaAgl5C3ZC5kkpTvLrenl1SUEKp",mdrd: "qOh7gkhE.9xE9ji3ppR5OyPR1xp_Bib280uGcsrgl5Q-1739106482-1.2.1.1-5pomDOZqUpt3eymEtg7XhOYjal04XnY8btb5a.PrK1ddVK9zzrxs9pHGRn44.RwRXHyxcN140SdLiBv_OQZfQ2FT5FncjysbFA8k75buD480p4njOCw1aG0Y04PGJOl.UESesH4wPSMKVt31x4CcidjhGB941.1FbkCjbU737uF9BUuK0CbRvXisBiOJAPWt3x_NSCWEXdXfzamvWdYHZ8L4SbWSUfjWTf1Rv4QZ4fm81No_Kj2nBTtTGM46hbzDAoUK6MY4f06dQ_DBbMMYKva5P_0QpTXghw9iNoLVvw_9S8AcoNw5Tz.9qAkZcwV6CyFepr2z7JJW1r_8yuPZjMQ1HNE8Yx2VXtcStspds6sGuYOWDO.Ybo9JLqQEp7tp8Amwz7rwZDvv9gxlYiNKHV5zpSNGvBElQ_Ed7TNopcOcuVqeM_ERXEZrpwscTnaFaukpTX_s9r_Q28OQFCmoK_SjufvKNX1hXZoyyr5Od1YWkP.lPyL0UtYDpvc7IG2s4lPavDYtw29.PMdjs5HEawkMtPgcR8917UoysFpKjxNF.Z5w0v1C10bg2eBEPP2G7actoW.4XEo.E9VhHd8SGtpNmCUAVC4CK5_kNgsPiNbkFUi79gyENKMoIitVmbygi90V.cDvJBlxLGpie_VOjzs5VVjttzshw.Le6GI2wrP5vSAP3DcrrbGtS8d6IspOt5PHx9xlfFSE.zldIYPHRGu30PNwvSpOFiNvQCr9pc67mL7sst4pgj69jK9uzV7wD2Hn.401qP4w8fq6EfBbCXupSJfUHdsCGEvSmL7FL3hX0yEaS4rLC8FcKWJakp2em8594hqEjp.RfklzFcJ14lsh_pxMqZhCqjw9G6okY.83eeDNxmn9J0M0YMH7t1G.ctFgdSvtxA3znnoSpsrky.g2yjHioqqNgYy2KRkWyvMnyt_zhVJJvAoCsJ89AAUIE59d63MlF_DQYo5AN4y2sq3x4arI43klB4yT033zC72P5VsP71Y6sd9O708DErm4wWncXlMzgruslC4wgGMEKn8ebex4F7pbYVMynp.Nr2X8xUAN7s1peUh9BZL_28MxsKrMhYVYc0nrAuR1CRPBYu8cjy_Ld.fQz_z6nFg2_kjL8dwValBUv7q31a5hRK6v1UMy49TnA2QEmkkdSOUvanWrwxsLSCiWeaMJ_fTwKMCOdPZZ0rCT1T6w_emQQHOvpgI_qeS42GgX0y0xpvIFd9HZGU2nzlX7iKRVF0QGzfaBDoCuIvzJfEozNNb0Ed1ie53qt3bkJx.X5XLMi53rPoK78yIvzLgoucZ_Cp1t.BX8BVlrNctCG9BOZl7bkAwIq4IrGlnU0qyJmOZ_WsLY6HsDIESgg1Vh9Pg6Zfdju8h8rNB.ytG5s7gcjbJ0sTC62oh8cKRmUowERi539Dtig.fww2I8AqvCwQEE1UyHKZfH_UkvpHvC33dBGRnvsAMhAspXIw3yvlLh1aMygR675UATFTpl12HMGEeaEWy38arP7EVb8rHgmUJ06sBUl8N89UhP7nJezU2khdra8u3QGXxpr5HTebqN3wZjRTH2QgRmPAZ72nbDV_oDr2G.LQuxmsNzR5B6slUMWUdIP96jwuHxjmmoTxg6.VV1OUreCJlkG5.JirMhML65_TU3mbx7KbXIwUifIQkLyZGfQERX_m3gGGaS.Nt05uJCxoauAzYYe1ZnDTAxEjLxll7XcGQRhC7v7J30iUfA18xKBCGLpiUkuQLEtAXABl8Mrvwg1iQKhA4ClfkrJx4sv0JiCCVzlHNfUiraTuSwHmSiIogsAA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f415fadac8c95e';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\/9856701342?__cf_chl_rt_tk=NqRfb5620XPMFMF1Aki_YXLqdoF.6Dp9Rhe5RabbMaI-1739106482-1.0.1.1-QTMZHJOrlNjbHxK649ceG7X6CAg1PclCcL1FGgzousc" + 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