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-afflsquit.mit-edu.top/post/1498267350

  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-afflsquit.mit-edu.top",cType: 'managed',cRay: '911041f9689c6fa3',cH: 'nkNp7UVUxmdfjUyxcMWUJ3p3FF.Citf6RJXPq5gjnbE-1739401885-1.2.1.1-mIxJapkSyWmT3w7cGArKn5m3IpCzkiJLB_jaw9FvsROxYgRUX4mUxyfgcLUHkiUu',cUPMDTk: "\/post\/1498267350?__cf_chl_tk=lNqLp_D5DxOP8mp.GfdhU0mspqT33N4Z_nl0Ki3sQls-1739401885-1.0.1.1-YjmC.AsIKap7S.cwF_zMAWryQjzBRWIzLv8OGuzHWqU",cFPWv: 'b',cITimeS: '1739401885',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1498267350?__cf_chl_f_tk=lNqLp_D5DxOP8mp.GfdhU0mspqT33N4Z_nl0Ki3sQls-1739401885-1.0.1.1-YjmC.AsIKap7S.cwF_zMAWryQjzBRWIzLv8OGuzHWqU",md: "scuJiI3LbQIUlpApErCgyi3Rblooh47Gpmlvvgl4WoA-1739401885-1.2.1.1-jeHZZyGzuxcFdBWOLKgCyuyOFlQIuLHJ_QlJLSvxx83TdCTF4QkDLwhIbNGtjPgViCJVBgyO.j.OUZUpagJdfMWuYHJyqY6nmqFoc3FZWsujt8SzpV2kd18bu5lXQocINdTHysCzpJ_t4DtPi04zD3mGr.uPn.ik67xDB4q0F_sTBBnfJ3GZUn8_Z_ve0Px4K3r1OvPNYkRM.zoUVFclPjrwSF_lZJwBt2fIIAwvRUSuuoRQp_KQssx5oYVfg72TFSV9ZogbPBEczyeI6759ZcZJtGMCogrstlCx4mSJfPpBRlHoKQgJHPh2iGnVbdX_4llXXpzjvnCOo2HeEhtKnLm3tcfYIh8DsPCZgIXUwNrCjaB2zHvTNck_XVI8zI2QcYTi9WDQMowpYboJLytf.n.gxdvn8WF0NkgxiYXI.uwvK02JtgUxhsm5LF_9XST0uUJv01Fhb1iUVe2Cjs7DFAqjbvgs509f03Wk8Mc1QzsTqaVNkdb670389ZEftyiJDLg_EWUZefi3L9WSVtTwEr7lVSiePRuyguKIX0YbmZqMeQ1ko8MYuCXAMb1nuWnjSNmLrT_CrALInqyAHWZS3O7AfSbUfH4Dq5CNAShURV_QtQLondPwo.jV05VvmClPsyXY9ZOYY1c4Thhm8z1uFO6umkrpCCc4eb.pU5qz9vGd8qgfdaSI_4Sn8IQbvem.Adq5mm8KzKk3Z7rnf4EJLoxju7SBkifVrzQCTUw82tx7z9WKmCvENXmNbov3DaeehDNmZ7wX1vOoeCuW2XQ12g9QCazHgGDp1PvkN8CVEIJKJUUnRAmcoMfl3RSO_7t0d_6zCKTeKaWfgPTHYUkhu9jcUt95uF1rMVRzDm5fzDR3gvq0L1.V07cbZUkV83zfJVRJsFrl95D0.EJxwHsfvhfZ0UWKKJdezlMKzSya1gECTLgwvOLv5owNzl2lkjypFJ6hxveHh87YRi2v1OVDzm4_aS7dK7sxWwDoMNrL249DBOZsB_BqBZFBgqRQAZSNi_Xsqq5RDbG2d_SBfI08lzhXSV8XMr0cpnvgJgH73Psu.yh.xSX.year9CSz.58Tse9nl2o4tGuN9m.RDS2tnYehfgBdbZqpAlrwcn7fkHu2QgNvUXB_Q3f4nMIk_l0Ts7.gpXUYVWePvVQ4LIr2.aKZrsFiNL1HGWknpg1THLivfLnI8XxqWeq5JJ8._5st6cQTNdpxBvnBfxtUaGhREh7xJ2627xhqTiVHONOhjoYgZDwZj_sA128njj_f1oflrag7xwybUs59oyiDXNk41T7f8aTsq.B_SY46ivcPlEmiNbRt1smUKHt0jGJYnzmVOlKhDYJxvBsU.tuBPSGSld17B6CU2wpHHEXKZEqA7BeDBL2.Ry8IPQ4ppsLrN6Fz.r0_BCLYGvbNltTlDEw5FUtMc_nbqTqcaOpmutkuPYrKnnkTlQ6HLSXGGxk_PstGMEOnQSwCeGjU3D3dXSn5kQRoWH1k8o7B5jl2TzU.w04gY9BscCldA66ehGOR3IMRDo_GFAtJTm858CczeD.fGaUEZGk1ju6pqkL8p1f6zczF4rfRYPYGMm.mUsKmPlye5auFhAwtby6eykT99bn_KMC8cBihp3BEhASGpv4iV5rQvIuhw6l9t4NYkOiRQVCnTBnfmDKUJPdXAJKbR56p3q3UtuYaioVmDwi_D4_IJdLh35ZdM2uWyQ22Z6yGC9jqndQKaPrKdLaqahBwxTLS0Fzcl65Up.uOgF9TlVJhhLCKa9XoG3dAAFJm.64CKjZHGpEV0KHQCHTbSLFLVymw68wZjfvc0mlqB26mbQ_Tw3BlcQuiwLPOCM32m2SfWLUUTsoGViuIp2rG42JBx8WbY6aByumfeV2lWgIraBInu0Lgv602cNR9MyadpO0PAOQPpdYrKVcjnIgbC_FDKCnaNW.zedYl.naWQTB12h1Fri23k.PBt2ZVBUT9xwoTWcTWYczrs_3CrSEQQmZ_uUvbbFfsfd5G_yQj1rsl09XFOLQU7aq0m62V8rDbVOcudiHXrlcf5HfPVP923EZrBQ4faetYP2aXE7kqa2HLhJqbX8z33B8bbU6Am58V5AKxUVHaUtKbgfVZCazfYcEkPjbyFb8zhugecTAztvynzPEgYX6Rf6aM453HoqD8lPiS7RVdNtOqD_tDaY.X7_WcwPWSuIYDLzN5ovuJ4VbFoZlOhygKOe8hathwR3UmBAMv5qHf",mdrd: "KFesnQA6ji.GpGoXDjjdw0FhpcxBV1qmp7dZ3MTIMWc-1739401885-1.2.1.1-0mC4yYfCzEzHpWOiFBgZp8dsF1LdOeT6T_a6_FaAAjkbxyH1QSjmGpYsWMz2qM0gXMPNaHX7FeKIv4RoRALSgba1RMaTUg9_Wm0XPr6joczCBGop_5MZ1G9nNAdIAffLUe.qiugL6lY8sEJeQxhgux09_JQnNYkb1GaotmctJJYjM2IES_saFHsrs..Fz0sbApA_Ek.ZubDDUGt0OB3t5IRdocqBXN.pnzFdMUhV6_ZiE9Ul2r9eQAL3dP8URbxBVImFf80qFzWVAYF7NiBJriYDD6UOS5pP5qPF.7wTgGAQ7s_2KXb76NBnXSvQxITkHzaviBbvVV6cb8zNtTt_pmUU3aEe6TP66mcQj0QB2uSV84drxPMraL9J7XkFcEfvwhdli9NLXf7krd8qLgXbd6I4KY1gh2hPue6m59neVDnXgJhqmLGcaKBw09QmU.S9pmR2p5kgfnsLhrW2hZc4_aGcxmsT_1nRq93nlqYS0wY9fOJ40Q.ycyeZtM.F0wXH55xentcnZSIMkORN.2LUqPVzVzXSsic11okpOC2NU9XKBE.VYEH1xa6IwGNyjr7r9V8FMtcr65o9vXWmdzYkXSVRAqZbCtT_fGXVeebF.B3GiMeFDxjCKA5vhQo.uxFliyNw1F.Jh4bk1dpKzJZ3ZkI2kYbwP6WBfNu3gTzm6erZJPc57YvJVEmhAtCXMEJnlxy17FZQFSIAL60KqH6Dl9FYLTjFMcr.x9b4bldo5tJl1kXZHF3MKosmRb_rE4N31q9UdJ66BWu28SEdEDO5C26zJkUVu.TgpbgwxFXI_TDgyTK1yb68FSGaZRwgScJVPR4LSnhQTigtPTQrbkW9eLxXGSjIWQmCbv1LcPHH_KOipwYLnLGs2XxMITJ44P3WCWbWJh5VhSH4lhdi6F4qec4qt6sPxuo81TOPL6WzGHWnE_nHLbym4wEL4zP6dee3XzrYc4cMKcWJTHsW3dOcQCEKpCMScsVyHii_NeVxCFmePo5nQa4nXd_D.OgZ3Lb7bcJBdvkltjzbTiP6L85p4veFfqyJZDMgLLOPG.e6Ry7RM0a8QgFxUOTL4nKAEl_bqeo8VJcRRC802UaAeQalj5Vlkczp82eTrZBu0XY5Ju6w86B.B9KaZh5M7kxQFMCTE2jqhfN8YlkUTXMKgzmqQjGVxtVvbncKCo6iQkGSWZKRDhVf4O56UyUnKnPk_aEay5sEGiMZZj7Oe4KPCa8BKgDEfEIrTMgWsmsxTeDx6ErgiXXE_ft8pQ6dD4xqS5ySWSXOVi5ezf5eiGzedVDct4s8WaJI95gGrHuD4_U4BdvOHk4SykBHrxtKTsusq0JeCo.xGNtL6OEp.835GawBakN1gXSwT8R.wqYqSzMracUtEbIdXsOGuW4F.7zTZCodMqb.4NNIhQ4uJXw2HRqKvel9O7gNwctKJXuXbGqCv67Dwfq9G2AkD9XC2sMwTN2jK6XDG8kaFK6jbeGxva_yW8N8cLRU4z4iKfwmq9tit9XEpcI2ma.mtLqklnDE7tkHpDYQz3m4BeGRRShuiXRVLYlJSMVCGVHL.MkfvAS7xamxbF2fvJxGguUdNsqgL7fg.GcIOjRyFdVmEpati08V3MRHSs7DuX7AKq5K6VZveD_RMq9L6ue2PgqKyCPE9_ezUmQ5RbHr0hYX4vjvPEURianDT3tAWik1yYCO1k8eBxpGHFVzWdbPMSFzhE26XmICYhVChOErnGPhCP13jOCG5SQELO3w.O_VQdLzexOg6PWn45ZnBb7cWCkoSFIr5hEOIfDL30dJX0QocUF3jdZJsiB.ioOJshz4sXyF6gumeHI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911041f9689c6fa3';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\/1498267350?__cf_chl_rt_tk=lNqLp_D5DxOP8mp.GfdhU0mspqT33N4Z_nl0Ki3sQls-1739401885-1.0.1.1-YjmC.AsIKap7S.cwF_zMAWryQjzBRWIzLv8OGuzHWqU" + 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