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-aff3l5u5h.mit-edu.top/post/6140732985

  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-aff3l5u5h.mit-edu.top",cType: 'managed',cRay: '90fd04d3b8efd64c',cH: 'HdZB5jYKSZKGSNUFmkQhYSbl7Kk3gvm.Cmak1x6lJGo-1739200151-1.2.1.1-2kCzuQUCO3wSzsWUT8fHyOGPxL4JpgGYsf_DmOYFCSmll6k7n5FA6PRwJCKCq0jk',cUPMDTk: "\/post\/6140732985?__cf_chl_tk=nNz0bcj.cmaSWN4EeV5x.LObWWumV4EwjUKw9.jQqu0-1739200151-1.0.1.1-Q1abxzTnnweTv3GZuRp1P4y54L1YPG4WxwGLTyaF.5Y",cFPWv: 'g',cITimeS: '1739200151',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6140732985?__cf_chl_f_tk=nNz0bcj.cmaSWN4EeV5x.LObWWumV4EwjUKw9.jQqu0-1739200151-1.0.1.1-Q1abxzTnnweTv3GZuRp1P4y54L1YPG4WxwGLTyaF.5Y",md: "HsUGj9.SkDvYmgRtV7Kl9KozCfd.83cOIqb_MtNirNo-1739200151-1.2.1.1-JRnvZzh.54FFf_vozZqCK.FXcYV0fign6vOXJHUP_93KwtWArPpydJbwPmoCkBw7ttKALXKEFQ3t5cuDqSqxYCNjh1WWBT6PWn5A_ctMLJ22qSbHzONxAPxQ4WvXxk6CMPc7j7B1vvw1Vyi4oK3LDUhm0qcL2jxJJKN7OZXMTxz6Rv1r5XxWX7miK85poqlYyyn9KkFbJTtbJyVKJMvusi2oSj2yfSvV71McaReE1OQFBkKIiVEmo3LZ0j4hkBmy.CHxe0txJKysGh3F2Ci01_CjJZp4iY3JzB6o9goWQvUtwhJApFt2l7PLJpSojDN7Ft53d3TbQnd3GPCUotMvEUwxxlcLdmINnNzBAqGa0ZuO05dSkRb2xf1e9rHGUSatCZ939C1mWTsQ7EDIOfzNkGXzyFsg5XxLa79jKboN0Z5BuuBv.zAZr6LUcNWW8o7.WE4uL9ueqnHgF8S5.69X850tq_InGItKEO0LmEQ7RM5.GafJ1_jPaxQgJetPLOB4ey0V4qM8VljbA46d_ycYC4wo6FeIgzRmtpcyzqku1Tlpu_mKLjqFrYSAd3VRmBoOhpSaAIIfP8CiQydSs5mpyCPQD2idk_vRBmAQ8gQYA0wYem29s.U2xLcpoR_OJ.pTXM154EC67d6j_Rdxy7W1VmsuKi6FGG1UjNU2Be_nH_qg7pyOzRpf.AtRDi8jRXWAGELjcfnkY9S_zX4v1hnrW_QYYKJs4WFaR9OG.Ab1vx3aLQDu2xFbAgEwZ3QKGNDc.salcKn0hv7JXSy8WyzneCcziXQcvonxPal.nK4Jt1XNkZ5un3XDGC6Z7JH.CfU3a_VenuxQ0kwCBjyPZ57pk6zHKHIKzagfFcccVHUFT33JOAu388n.4F2LoUa1awavgUs8AASSvZe2JQD9As3khqvQMceqF3YfB7syTTOrWNU3_EMONNR.TvkhZzvVZ3HaD6KxZnnjyV9eNPrkOvqYnom734fCQMJ2qs_pYulQBhWrXEl.8Azlq0s3E8h8fyAHflBzXkzK6qZRM6F12Ql9z3SkWkcGZ7aCiS2fV9bFDfe8zTflXv5_IGKNqG9lLpPcAoX9_5zS6eQ0YhBN3_EF2UZiyG5uosF.qF2da5I6bQkReIu7BRN9iLQCjynZRu6bbl1.3FZRPI0N.wo2XXsVmQIFkKbXhduCKHtyeMZTkaNQQVncipK041b6DfEGVDVk.AKF8eeGb1FhbkKqnfoVd1GxBrn.HcYYuhapYmIhEXCvt4qi2A64bbiOE1HlXcyiSx6aTcyl4SqylDz1haQnicdsEo.WrPP2ptkzqAs0rYicB54A3OTiMgtp4AVQmahntwoHrvlvw4lUW4KppLCmicfA1Nubaa3r7QelMAn8MBbLwHq1Mj3_riD9pU6HFpBoAcmHLifTzlvSmcxWq8rBT9epA5dINXUOHx7jMvZDgsCwpAnKRBCNx98FcT6zRBFuLldJzh7GEt.EZ9qCX5D1Gp0WRZrjpCQuQKcsdjsEPdN2SbJUfS0Iu_VFSBhb53WnDIVrDO6JYBtjDq309Zq7IFcxZK0c08isPC.WfwEwOEG95EopbI6M9hcRDRllf1kk_lVzZrqhAONEfbI4IAJ1XZyM9aCwQbpn71EkL7ZW3kbWBhGerNoPA_No.fJabaMoqzSXU0qVyNrDbACtEZ0rkTubJWH8fk.FkyYsWE.8hOiEAYPCuscU7zL7ummQnWuYA8Ow9DxSH8xalf.c06.BCk166pBaL9rteNLtIJuGFMy6fm5aPeafLg0Fp9v0gq5uugEY.dW7X2E7Zxj69FU0l9n1pv.EMEEKfgsJWj6zqkZvPCL0NH0iBRwYoXhV6VCNGv.WKnddg.CctpRim7YjXv4bgIcza_30qRbI71wTu8tbi1u5vXoVECCqQfxIMLeEx8hGhmCQ5ZthABNQuHZDazC0ZOywyErpALmRJf3_KpQDgumfc1.UGKqlp405KvAxi3s5iSFZZ6SE5aVOli7gzYyie2RHbOBVSmEl0kxsIAQfX6FsQ33Jq1g8o5VPaV62WhCVQqaDrfkv3BpMgBZoh_jLlQIRl20aqfWk.GuHnVLfGayAavFNbJjlQgpQ0no0jX2DlJ9c09XIiaXqxj3tT6yPYhD7RLqdHgC6WcYPzt6C6HgU.aQP0rGEM4hrvmvjmCxaMQPQrsBpufqeuHQXsaogke9uRxeq9GFokeH6F.eIGvEdskMUZhyNreXczwF_",mdrd: ".M8v9BLCAT8xtuSqiCUVk9FWKfxoifFBXrDSonyFx6Q-1739200151-1.2.1.1-w0NBsuAB0p_B3mWAygxvnIVRxm_loxwihBQXQRcVczqRgbkQBy1AKJKvZ9cfQygr5dhxGQOC7OjXhySwrNL7rT6dZPvVkc8bSKrirhWP1IjGaZYtIOQaemVuZxWXCKTr02wStR.fa0FDbY7F6xdOOg8leh48tbWl2HJRBXOeEA0Y.uTP_9.YfbSfOeguWhyvlJzsWt7I.jGZtq.YRqAzNHUCX729IvpC23J.YzvLfGc34kwv.QOczf.A9NITvY7445OriFKFSV74FpJQk0Ojjodr.gFqe1fU56sTliq.t2I9DHzTo1mWl8XeXg5xjeosCxsxPeXMZ3CDRYuiu3MJ72EEpDBhyayHsyyZ_J7Dqi8RQc8GcL26Snad6dS_Z9zPBIFVtxNf98IE7RwKecxETWzNJrSM82uUJ8.YVvVh4zWt4gWKTJKK0ubkNxHs9QpxgpH0iQMfqsyjUGbsg6WFOGGy6DWsqfpHw.DeMLRm9s9oiG.D_OggIIBfTAv2n8yClG7o5Q.AIMJaXpStNMavJadszBcAg8fd33w6ewgY8Wqr0mzdBa7KvEm0DAnvojRBayDUslQ5zzuRBZYGJ8w1miW0U.aqIu6uWhqZsZF1GfZyCsvUQbghRqXnC7XkgsPcSEJLmz._I0JKvh8eHPKnndIGUbt2Kqa2Fdzf2qQDoL.IBHxT_2QZlkF0vJ.gtZC5d2pUxZJ1hilHF_5pfLv7pJTkDeqjyTaoQJ5BAkgEJ8zlSRBBS.05js9MVlYscsvT0cSglDjxWgv0DuenY.AnFXPL6Hd9mF9weH2aBXsDfym2jUQq7WC42YeInEvxtAjYwI_wwUBhN_nx5_C_LFq2pKAyCwa2B2pYcj5BEFilt1_kCQQAizPYbBh1htEv89sdzqjIsum548qhfMOY1tcB5dHbtlNuP3nNkwSGuFkFpBHxAPw3_gvsbj.cUUFR6qU6qaBtnElsOD2nQd__Wwr9YtdAPWfyUil37iWsaQ2IK7DNC6iyyNuDt539PtZf_cdRI0711Y6B9m9CVuSoa5N1VsVujpF2GjtGPfJpExDlYg7G.sJa72UQdJ_BnEFdnIRDqdTbNcnTHUPS281v9lMJUaIl4_MT8hVltRD2BeGx6xFQGpwvUv.jV1c5ztvE6JSqfkkWtnGGRlbQEh42t.VE2tvYiTehXfWh.rOrKfLQ1aECzAe3SGrRL9HVwkvPQjK3dGopnUYyf_IcmWCTfKc.x9SC6pWZDoviu2TGAJuSfk_uEDA7p.JXYmFy3Je6BxTNyR8.oSISt.Sj8M4lVTJo50KR5mniuCKBkOAdAPgdJ3BbuwPwRpUjMYM4B6UKhtI0xG_d3_vO9eY57.WYR2UlDD_2YmGZe1qrQgmj4p2S4_7jmv9FL.zjMzXyktSqTmx0VBC.fJJ1RMSSz5Q4NJt3LVmb33scllRVP_zO0G_QONUiOk0Bz84jMZyBn6wb726fZUv3ZstmdBtJ5fdN3jie3hv131p.ljOyTfSoB84fNBXOPiaROlZowI1fpYPeTUjJ7A4it9watRz5AeJMZUBb8bUgz8YZ.dU1nmxw_G6cwR65NnoJXBnF3asNLzgsX3KWsJqRlrsRJYV7Z_ZszuMCJLW6yfrk2Yxu6MamJCoDplJSG55mC0RnLTGeSE3_Vrneh7JOtyP5FOWMXGev3k1uSwNQdz3I1Jo2SRnz97pgr2Me3NlBmqEGLsMMBtDwn5IQ0SU2hBH0CAP.VOB3DPZn55IeOKKkQyoKdTXRzcHG92996pGGa3fUesQI54K9kcYF6_OGp.l2Ms8Y6FJVLWK7ag"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fd04d3b8efd64c';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\/6140732985?__cf_chl_rt_tk=nNz0bcj.cmaSWN4EeV5x.LObWWumV4EwjUKw9.jQqu0-1739200151-1.0.1.1-Q1abxzTnnweTv3GZuRp1P4y54L1YPG4WxwGLTyaF.5Y" + 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