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-affqhm79p.mit-edu.top/post/6391572804

  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-affqhm79p.mit-edu.top",cType: 'managed',cRay: '90f6ae1b6b50c968',cH: 'bjRas6cujacE0AIQWedqdXC61qSKNZWEQjsKwxsKmos-1739133685-1.2.1.1-R0y4KnERM4G.iDTve0tjwpBD_F.iSIsnl8S5LZhiE8vYDAyZ4FkSTMx.YntF6fCS',cUPMDTk: "\/post\/6391572804?__cf_chl_tk=9gL8wMASl6E9erp3TqhG7YFxcx1O20DLBr5EGpnP6e4-1739133685-1.0.1.1-y2YECpdhI.1iR1ehTa9ZLs_DdrJC8sux0qvc2ttUbIU",cFPWv: 'g',cITimeS: '1739133685',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6391572804?__cf_chl_f_tk=9gL8wMASl6E9erp3TqhG7YFxcx1O20DLBr5EGpnP6e4-1739133685-1.0.1.1-y2YECpdhI.1iR1ehTa9ZLs_DdrJC8sux0qvc2ttUbIU",md: "R_xnJwV8OdjiXtr19yb8Bud73lpYaQfBsXAd1RTueDM-1739133685-1.2.1.1-dKXJRjYeTF.SA7NsGJpS0kFfOr2xtjVVGm.8e7PmUYUPtKp8kJik22pry52il_bBgj2tFvRa5SZLD3aQ7h6ZK7U24QeVx6TGJCMbFS6_NqWRDGCCJIlvDr4V8.zTK6NQB3h8MyKjPJ9Bz6xkdYBPhvLqeakpFyrTUYKwoOtNXzF7dc3gnqFgk3iR80vL5yI40bkCzCcwh9g4rwSdZSWKY.Gj455A76ovgaz_7StnGpvMDnWVvogKOKy8xi3Mzy9nQyQkcVOLYwIXVMZkTq1OI8i_rdngv9rKutu1Wm4DF69dpplCAnO7gaM6s8vsBS6kaYmfGgT26nf5tejg_uZNM83WazwEgr0BJEchZ55QFX2zIg5pUE_wb1dwZT2Ie6j9Yj7n6tHX8wApFZLNjfaDge7HsR.XHveCB2Q0vIrQ6A_1XkCPGAxn0eJ7iQA2dyH4_QvPn4WJ0WHRmayDPy.iDlQs_XSJeimYwTFF2PksdzGnYUTFjVHqDa0evGzo7DJKQrg2U8bo5JssLLco1OuRnzePs2ZnqEm9rC_dXayOTcmB7VLv0F0gsS4LGimd6GGinThpEFa6TBxc7JUdBzJvVKKJB2W_JVyoq9xdVq9f3nhw9lcbFuUjjCX7bcQawzYuo6mmtPf9mv1Jem3oz4vWUlCLjEibf4n6Yj_x0hy1XFqKefhS1hIV4ml3wEi_2xCiLyPORO7S9OXGzzHUAZVZxvlut1IKF6v24x9q95Hlwz45kP3KXcV1ddoe5k5yz3xhlW3v4mXQg1Auy77pwESxpDQiqUNM6Ryx3o4_JuB7pMrvNgRhzESQWF55GmGjh2U1aulrVKfpcBbSUcInXVabIhZF1SobvwEZBZLnRYNB.z43q6fQcr8j.hZ8eH3I5xV8I3I76rujmID4Z8AEZKsvzAyoHsNkUyjX8lsvW7zJ1woAl_9LUTBOk.M.Aus3s6w0crBMqJNn.rv1.YKAC3ZEoYUCk.DvL5JKFTdC6DtdwM93.GMz4bof23Etvq7JxU2RAnvtb6LUwS1gxkQnio1FiWM83LqjfModpWcv.1E5o4dJ3Ii_Vy3RILiIG1ozoGP2MmkE.6FVZmqoZxuUGAO_0Oa5Vno4AW44F8b1PX0kvM_iEk5Qz8QitXKyP4Hfw02Xizyz.VAw83D3Xc6Sjg5Owy5ZWMvd4ODgw8ADypMLPLOIIf0OX0aSnWy4c1KR0V1HSAOA1nHgdXeG9ZPiFezr5uyFH.NAzNmnDKw5sI93HefVb0JV5F9QGpFCPlE2PycAIzx.wrBW74j9lyCiDj7utvSOlEC0cADOyUHjx6SiiTj6VJq8qPWavuLC.pNiVr0y4v.j4WAPW.4R0zZBYtYT7s3To_VB6A4fivKq6Mm2AqMrRAGXp.tDL8gzlzNtnhS3f4.Pc9SUn5af_i0nAbcRBXd.2hvfW1el.QCaqp50htDTdpJNL_rocACfFRmzMwFaoAUGtO2M.bRSnZo_eU0M.bAtr4HULNdfco3U4N8nQrkb4R4XF9POB5fueRy05OzVGoB2L3QgbMx5RNTVodRxd0eybOMjWmhpGhecj2I3DRpz2p4l5ZjTQMOdGx.Z.0d6tTX4LIREicOvACLzSvAjoatezH5RQlBn7kgE94tsjaVqIFCvVlAblVKNmtdDVetbR3axRJ6OSgwyjb1thWOJLWpUPsr5TkVGPwPbZ4pJCXkJVE7Bgu6LmXRtgyL5CWV6BadomPIzVz26obXdk40N.O6zF_st8bc8gN5bwIbQYcHtbCQWuWsHZRXtUak1SFJngvoIIi7lqeD4i9sMoxu7v.YKaZbZrHWoG2GkIRI0qwZZXPthRBnp3iMLcFT0PazYfpDLDPClCUEpcbPVmr5Jlyp.bBRuHvTuSW5L2EjcMnVfo.Vn1hNxkNedzP79EqkXGIeiYr1.nN0VA1MBSn6peLpaxJ3gFbWoylrF2cRVT243kUPU1Hf9dgDpPt6YKt1O6dErT57lD3xjlZf.ZL9APLy8OYgTe3HBV8KJ4DYzsftmL5BGFF0TO5CZ0BpvVbeVOwZVn4.Ja5dQeKa7H0ETlu92hcNi6xkDBoRLvpshWQbjPLVzUW.AMQhwAsJTQzKGSTxVLlqVFAqqve2Hgw50JGcX_kctr4DSFlhGLuNo7cTV54WHAna8nks3cui2_Qoc6kWgOs6xP4iuGj_r7MetRP_CcQdcWZ9pnXvmFLmrBo1uY0I1sJGArYLEUMLxP0vW",mdrd: "npv60fVHsUEcAxsTRqE1LAAfQLgw7f7iG4khuZ5aXE0-1739133685-1.2.1.1-5WTu6D.eIGSVpKUh4F6eXHRMctXVk1YKfk2WyqI55TAjeq6gUt1fIw_MZyAQWbRT5TEUFQU25hm2..JURFF2a7qA1t7w9seyF3wVF6CH9sm9IEY_FeytkR6y1sCHR8fEtjuEdfevB3s8gM0Lbnn9z3Xd4qsBNKsTCGq91IHAh2eV.EtbLljQYovNEpDiAQFnLC9l1QtvtSEB74XvRNKzF.Qxd_GG8XQwYy0kZmPTCyQnBhP8uvShyE4kXCyxnmHZUCJYmkIWTbikwqjDH743iMi7KOT6rxPFkxH2jrcdeGofPUHjbtWM1Wv69PqVAFI4bFg9ldIK8XFMPWmpFtVNxNWln0PHfGd9vEeytIkvHHRFu_BO6PZ0u0jPksEBXiWewwhJoktMcMb8BOXA_s9tgwjaH3XQpMvmgsSv.Y5.f6y7GJWRgKtsaBJerAsiV5W._Y3WV6fWwC3yW7FUmalc7ApbC9oK5B1NGyYRkdfr.xMzK5jj3ez2Y8tYeEbx8w.AYVPlwEMI..z4y2j77wKM84k2hxqaniQ9qQdFsjcKWFZMnoFkjSYrDw8bz3Zp2sxgScvs269O3e3w7AU2U8LJ01vNmCuAwZhxr.5BUlpa492kk5D4B2Aos_hGrO_90caKaGEI9uqhdEMf3VF4v1wJAY_dT465wg1PbFxQxFny1283KWxvDpPiwkPAIvDJ.llg_u87ASrFUNIyHVjMvH0CSfdmfGuxUSBL4Ir7ltxc.4wtT2vfANQgiMjcOLW4kLjq131Pp9fzuc1i8DlMnHDPp3.G._8e4qLF0yLaOf8624CeB9YhRMBAINrfYeQn8yiUXD3g7gAszAw_j.YEnHXolAQyJNJWKfMWaeOaoxdCWnVFkANrHJJHDvrXoiPE_ufaOtf4WMpLk1qtrpQ.RQO1CSBDTBAg1ZpWhCrZ.V8.ikODA0gJHjpXe23LYxbSTPz3Oagi3gSPLwmrljidsqlbJF4Ze9FyfgQYYFpfTKQcPVFrx6hz4uOnfc04dBIwrvcuKEWV1sVQgoBlXvEhD3R5bqQpTIPBChsxGtF47aG.AL8O.kXzdVfP92SFnQg0ovxIesBDMFxNL0SzGPhdHEMRPB7jAdTFy7o2y3iUJk1GYwF0flpJTRYXggkHLrVGE1Em7MysYbqk_C44eoKG2XxMPHx248C5RP4ObpHOih4Sm2iB.ZtOM8gkKtlQxLnOEFbbXcaj7XV7s96tEDmXyLpvSlgh3Y5qNIlMIrSlJpwsh_SIKiwdtZ0pZuSxh4UjkpsHKn_XIXEwb2Mx8FUpnD0HCRMvQDh7RLp885Z_OZYQRnMLl1OOVCC.TzwCaa8rsWLF8spUsfMW6tysglHh8vuKILmVTB68TxyzAQCQt30gvgqt72AGTQyJ16AZVc73qgXxnOXXuD4bj917mPikoa5zkN_XEshQvO3KQanEC4e3pSqKxJZY2FTP0dKJac6EGLPLOlNN0MNRbriG47MHaOIQaA9VIhLTmEBiPzhWcfpqp2GU_gKBa9C1w3PBhMMxZ87k6PuuIimzpZk52x768DYaiXefr9NzWU6TEdpwKIvCDVHYo9UiI12XLWtCk31htMAjavsK6COn7lmD4lZx3jXPoCuarOsMoSEvdTJcw022MXPb9ERx.a8z3R6ZCB1NLz6oKiLpuJOo_YN3lgqwmAVxgoBWiwzGpEOSIMQBsMfwiFFZ5oIBBHgTWExQiNHfVWxHKqSDnxPkhB9tcZyFFWw94sepqu5w02NnrQfRYipe4gIemPMCSryaDyIv.G_1kNrSbxA2AbrU0zMYlmSl8qfpRA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6ae1b6b50c968';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\/6391572804?__cf_chl_rt_tk=9gL8wMASl6E9erp3TqhG7YFxcx1O20DLBr5EGpnP6e4-1739133685-1.0.1.1-y2YECpdhI.1iR1ehTa9ZLs_DdrJC8sux0qvc2ttUbIU" + 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