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-aff65xbai.mit-edu.top/post/7184632059

  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-aff65xbai.mit-edu.top",cType: 'managed',cRay: '90fae5d9e93882ea',cH: '3uhJsFAFW78ruSxePdfNzpRidcbcBoDLhkjg3bESTYE-1739177911-1.2.1.1-TFLXBWRa21l.5pHLb7ZNj1If1YZgo0LOcoZfdnamEySYLO1zprWRQdbMInktAQzO',cUPMDTk: "\/post\/7184632059?__cf_chl_tk=SdGD9H5geR1xplV9EMcq8_8P0fdiV3oHGbzPQFkdduk-1739177911-1.0.1.1-HXujoKyVpelR2eETWayaNJnrB4Etey2n4JJXKwHK5s8",cFPWv: 'g',cITimeS: '1739177911',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7184632059?__cf_chl_f_tk=SdGD9H5geR1xplV9EMcq8_8P0fdiV3oHGbzPQFkdduk-1739177911-1.0.1.1-HXujoKyVpelR2eETWayaNJnrB4Etey2n4JJXKwHK5s8",md: "0SdYH_cGJrj49WbeUApYRtB07_i.blM.UDjlxxyysbA-1739177911-1.2.1.1-WVAtFz0Sm2P0fRTVCy0WwXMFilE1zgi1jr8zIqOnQbrFN6Ish6P7eAO3NZuQ7AgEOjcKjb6slBq1o7OerhUBibqQ_Q1wsDLkQSi2JO7aH50EG4V9Xp5yra097Y64T2Gqzh6PvA5s0T3q3EKOip6ewc48lEfR63PJDOc96haXLGf2XBoe9tcf_1G6kNeFS0sayvtdW2wDvldnCqvMlIiilJXz8bB508eosLpidAZC2ouwrBGm6UdVXqZChixBubEJLl0pGt7GTzeAXxrySuBZqDngy7PhpoW2P0pzr2PHHAnucpb66nS2RgkPCm4XUmvxYiwwIay2sI1bvpa6CdccabVtwKQh_4lx7nHzYr8RX0STMT11G8iE_FezTxNAUEPUs8BgObY96_ff36rSp2lAzfERM25lJLqc0BlULG.Ik2y57RmFOBvt5GRxm7l5Kccx3khzLPN2UIjTj4a15lnNPFNrkfrgRnnZ_tUm7W3.MPG_xTuTVSX3lrNl65tIqjR3VS4zGJQfsiJ9EB8EOOVh4QKCnf0t_SAjEb6dgJGy3GoOKxU5QRBoiCYd2axq1YMO2vjUd3_yc9mE90kUWUAWPZAKr.oO437SM9FitZPjDJXcF3TavT62yANe2q3KhdDnUaAvFQEIP1iihM_wVCeDPOd.KD1nM5FztYmrfvzA8lRSNO2n3xacW1hCwy_KCJY5kUQw.C2ViM3NOucOU9kiWGTzq26ach5zkqDPvGXikxJRin8FlXYBF6cPHIF5xo9plGdlBTLggOyGJtLKSsFQCnMPeexUEWh9N4k7mWx6W9XAHAzs69Iqh4hSwhsCgro9fQmPNEQCuPUm80AV454jwpPTCs0DCSHBESl0XvtN7VlKlSwPi.rHkFRHbP12bPeZ.YgUTSE_Jt.HdLLMGSSLr2HD0PFJYLfj8gJf0t2d8oxtDDh5Ex6Z.xU4T5mBmXL0KVmtYcYkn2UoHccmMfgr1t288x2_Oy6Fr1AseK7__jn.aw.LDOEtfva_EUPo64iOopoCDRqcS67ND7kn_xJs0NcqiaUr2RgAuZq2Jn9zZH1moXgiEX4j_W99yVNyww9tL09xE0Fqmx8LHRzsCW.fEqdyAyEUXzzqlPDdLKlTTCqfYyNo8J3zluNalNXwJgzlT13hgu3k2pGKzrDdlipxja.WtEDFW24Rjt_ilXIbgFgdKjjf9GX8L68TJj534II6XElPCkLqRVZpzaBk9mnzzHobmIihZq.Sh1omhqzkbzLcOqhd_gplEwzcKIOarzPfE3kzruazSKglC4EVR31sg_Gvfj2ATmR_6igfBBtdpncAINi4CXC8SwPC1laeaFI5xFbE.NzfSQdK35o.Tr5qfM.lyzG5hDRG2T8UsRzUjICvFI88X0xLasPe7wSOibzCd48zOcStdLIRpGBSRNlcsn3A9AcRqN4H5pF4Q3b3zb23Mto9uu7tP8cVLkwRCaxRYL3fFItfCR6g_OVcxX1N45wXTs8Fkn4MjdAj5jZ9IqY8u8gqdT68UmnItyAq3tXjTEGYYgw_yB1hkk9faudBhZnA_CRTrIZY90TMSMoVV6M6JKBOIqISS0xELJJQbbVVqxoKakrSA9iWTVvn4GVjDjNprKLE3Zbx2eVWfL6avk1lnzvfMYV0SUHfTwTwHXGeQg92HTvtSBuYE9wx3J7nphaql6NxjKvVv00C2XK6OhDY88LYmsMFuuexFTPWMzyUosDGXFEUM.cMOrHPAjZ4ASjkDY6V3nadWVLizNp4YLwMUcpQDkJcjkTWkHNc.8dujO_Gd4X0R_9nEumGewRNP0FIbnlifuQLathgJZgTgnMsjB.9vs1lJQuIm_e5pFxFCl9uIVq5eBbgnfdulEIt951SEuqUrlD8u32E.GoL1cS1LFbpGtnK4BUMCtk9XWNVoqLtEfOuS16wx2FNRXK5fFCZE8uZo7LNRmrHCnK12Jq6YvwZlISkm17l3NWr8kx3EYIcrqq09T.ce9viu1ek4_YSErLeTC3kRX6WD8ypmYJvM__ox2d5R3JT9Jx_8Sgaua787jZXGDaGOBDRibub3iXSV7mE07B204Ixu6Q39egep_PIaFsdeXtu0KRPxr32KTg_x2YF1vymWhBqevUN3k2qGUUfjwg3Y2mj.Odq7d1OWORL9cB3rYWpIECOalHbOlxYGdpnHf5A8Ie5w_hWCK7wr44j8i4LLgFtY6ph9OH8I_Jd7UvuxuJK8h1a27Ph",mdrd: "1R6su5YeyvXmZj_xB2XLnCAr47Erls7TPtt.BpWp2K4-1739177911-1.2.1.1-OaRn3iA.twY44PXPWf8sTWPbMGu9FXyOc02PcThVNxxWwdqVCX5GZfJ9ozj1LikYFBwh5aXDnLy2jeC6.lxwoaHxsyV0PmzZ.6kUfkw.lR.3sfybCnOuubrkK7P0ch7pG9mKppzV5TOkdtjmzROu3n.fprYxSdRn37HiNseiZ1dezPUHoprxsqpWx7KcO6U2q2eONurE_huQCm3TrmFLre6ysSK5gCLK6G5fsozQECNGm3J2TilOaAvP52rxFsxupDDbrLLVwckYJ4fM0lrzJ6k_fA7WZnZEM7ZjWMZI7MYf.RdIKWetYKonxnTg0lop4wkrEbKU_E0CokQd8Sj9kcsdk4ZlDFkpC3y5kwsXEyAn_vkisJt2jxJ71zCaVXwHpB3R1c8ohZNWozkf_tsuf6c3bUxA4HLQhdzOf3AlXOzjpKcD9usVMn9EX4FORey6PuU1gdLTdETa55rnO2E.HjSeCohBtALszo.n.0P4FB4lJ9UtmIxUXwJyEAvdI_mlfLFhHJsGLsdF5qnaOpiCwJeqNg9vYSU4oUwrCIQHIMfa14vEdXcfCqxLg5fhjHEMfsVltQNXRcSgmSFW4rgv_wmGpyPN5YOPKa_vdNTLJFr0G74Bwk.I65WEmg_uS.wCRN4wY5EEf9Tp1IyGzC6D.dpmw.s1nUB9geMtRVKMhuxjEdWHLXKngIvS6kX2twUdQxdo0tRhSBMD7t9NVzzfqfwqutKqc2nPlAavGbDRqEX47bsnviKDnngfTjUTXqixw10qXjwWfpZz.MiAHhIv9NcIc7iYIISapnLJomX2NeqeDb_K9cGjLoYTq_IfzsJtRqGPiW8fZqa5mzfa3Fuw4kFs2I1y903q04xDzpXfBQ0n_nDu670jFJwlUI8Yuqu2DViVGU3ISuLzShvQ_Yi8ge1KvLF1Eto8UJcPQxzcTfP67eCW6i4PVa0KMLF6p7kDO_XwwcgZKE7vsOVqtFGRSs4qP.8.mqc.DVn0Om._17GVMA2bmQeqQbNQarQAO4b2sUOCN_PbupZ13v5S7QoXmFReh2IXdWtenx1vqSTCtGbInHeshQav64Y09NfhLYJK4UQ7tikjIYuz3HjAJupGV8ipamK_0NEg.1zr7kuQ7TQcoBKb1DZD.vxuhn8nFwUu5OMU7f3zgxy1KyH0GHSIir8BSRnujhdT6QzqoQ2UPE6bt1SvYoVcgMppQdBArFiAPAStmLt329Htlu.gxczdpMmrQrkopr52UrGV5YYrKlIKL6sGVRjBE6TKJR8p7paaVw5Bw3uhoFmybWCojICBc0BoxbgF3wgTTT3WcUHCLegzmUrONMGedWBe0nMgM0grK8omByUOYYPA09jcJQ4EUUH4KogRdKHn.p4mUPSbTCUyvFQE_OEqKbiRY_Ezd.1YuMJrTLYBIJPvoSo8IPWo.cIaIPKJWTBVr2mrCJKU6y2TCW7XfOdq270qX.At3qzuQtiRRMKI2i.utcF0nX.06qPxeMQ5CsCf99LtGPZ8LpjiRz9ZfLF3g0duQvGDjLmnT0I1NhE80lsQPJD8qF3lWKnAs3yimFMcJqb6UZLouTcyNFHedNr5Zm2rjkzqnWn0zIZ2iRSuJ7V499UY.LayIKKu6XXBI4GIWC1gcVtJzCVPKuTWE7eBREWXc2Kj0t8HRHmyf6SP.YwjWPVi9gKNom_TVEHs0o2fxqjNrffo8QrHFCbAPJF3NN02sXeSGPK53oV05wp4HCL1eSjm2W_reIRhK3skWejJYPJKY8aJpoI0r0IG_dPKFttUpMAXS05ZiiHTH9.q2JPDbbjm6YB.X_sLfzrpHSyrVmvg2ly3mSs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fae5d9e93882ea';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\/7184632059?__cf_chl_rt_tk=SdGD9H5geR1xplV9EMcq8_8P0fdiV3oHGbzPQFkdduk-1739177911-1.0.1.1-HXujoKyVpelR2eETWayaNJnrB4Etey2n4JJXKwHK5s8" + 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