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-775756361917.mit-edu.top/post/4139257068

  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-775756361917.mit-edu.top",cType: 'managed',cRay: '90f28ebbce0d1775',cH: 'N.ZKRzdpxdAUb69RJtOE5zZkNsDJW1mjcjtv4xf0iT4-1739090456-1.2.1.1-VR9oFD_RNaj0An1jj1USmV4fg7KlB52Kz3_P4XdLezIl4kOqw6m3Px6PIrsQJaaq',cUPMDTk: "\/post\/4139257068?__cf_chl_tk=TBmwYmNDC72b4NYJxYHtTW0l8CUQbvGA_gXjkZj66jY-1739090456-1.0.1.1-fy8i14hgNwWQHT_vivlCkW5X6kTzJRiQ182Vu85AgAg",cFPWv: 'g',cITimeS: '1739090456',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4139257068?__cf_chl_f_tk=TBmwYmNDC72b4NYJxYHtTW0l8CUQbvGA_gXjkZj66jY-1739090456-1.0.1.1-fy8i14hgNwWQHT_vivlCkW5X6kTzJRiQ182Vu85AgAg",md: "q4jz9YxRhTSN0LKYrTajrByRu0A7794TC.S4N7b6tPs-1739090456-1.2.1.1-.TMd_vvi4Bjfud6S_OXZZXSi9z_MbWKWlVnPifVErFsS22tVowKuN9Xxr43vyF3iIbi0FCc2NBBpCLZrk6dd.xNl5NRAmUvCiNLUlgWhr4Hp7.lMyhlT9MXIPGDtP1ZqoP9hU2Loc8z3ulavfGsKuSG9zmxYeWX8fsx74kUMWgtSIKIUTE9CFz2tZiCKB6FH7iRhl_Vab1AiYyC.6fXzSVbCZALBM4Vt1S93PabLm7ZMZGZHnNDBFQPomz9sbO_eflieAzyz5mDpwx97Tf3wyaSWbVur9So.PtqIiXLw1GnD_mVjdHnl_lh0cxTXt2DPjOtUJ.Pcyix.mwPdHSADBeHHV.cFBZmHPcLCYt5v2Ed9gR0Ajz4G7t.tk4fX9p1yhDS0GG1zrWviim7Gvq93fhWXCQtzLl6p_XMbaiYu28cmvT3miNvhUSWaiqSMNJ6TQ6fn8o0ETsVBAJLNeEW1oUzxTBng4Jl0MjNLfKtL7ssM6h5uEeEnPHXhhMonWg2R64cJ052W1eHiXg39i8d_WT8wm3FoiBzH..5AUWz87VjM5DqamSlLw9I8nqbdo.46s0eEvZdunm7C5TzMbiBrzvnsmNmiNUDsNkx4lOA.Nh0TePzne_h_3lNManx3Vmpzk30OOrQVTYrTYMGK0RKaMn4tA7Cd.rh42f8y_JdSKWH5Jki.xbDYcRmzMLXp.pa8rUJtcGCoIiLSeO9Up87HMXXQjNPt6k4ljl8KkaJKx3Erx8LcuBLUY.TXrSU2PnFvuCdXfM9itxefNA1EcriikbHrAFCm1aGWe17RoQyetRVYRXyv5_odCm4nHM5mogAkGe9.2Nr2kl1_VX2i9pPzfvgKrutcQC.bprio7oZJGMyTns4p24dURmJfM.jPhVO3eYBiIA9x1mp3S.RtxowPv0oD0U10dzqsfzEEFxRD3EBdtQ9wrJS10QXufKtDK.Kq8wBbFc6YT19Twlx0WzNlRV3kloBYsfjqhgeEFRanLuIwrytqoGWGniLPzACEXIDDw5FVGaQrvjqcslwIfMUOMH3BiHmfL8_8e5m9tfQDEkiPmFhdmD7JkyqvwsMmdQL3JxlH5KY1C7cc_L0A17LcJJFomIDBiuahY3Qa4OiZMVGgM03TFcbGkiMdN9hTlRlerL.kN2INnaIQooVVL2nE5F5MACxzoNO2PBrj1b4J5uUmuC7bydYW.QURTWwnKTtl2U9.1kaPLwj1oTDtjitDzFgsv0u2DxKOxfNzOl3dp4hGLQ8SIOgUPjIrcsgkOrHbyvQ0Cgu8O3FHQdWBj.sxkoPlehOWWEDCZQ.5yyNxMND.RlZe1wI5v6cuc.Nw8DpQTH3_.QnxoPCDnkHxnOLrJGd9lXkiLFzSOYafx82eCSzcfDcfg6FX1ZulJbo32esVVmJvY9460wCIQvc61H0DBoDJ1QmUSbA7J5oX5b1zhhCguDT_JTGeLEM7DuQa5EwxmH3vEUl4yaVXev5hLO1XxcyGBnOQc0cgZTgzcXv03c4L3oN.s94o3YGdwOfSNJlwhQ77bSVy.PHmSdz.4BtPR3JxSVrtXpDf8TkPJsQgYDfAavX95SqnReAL4_Xptwfp..qt5HXmtTETtEBS5apXXICunOlKDaTzeeG2y5ZHyEnLCshmVNRqCASpxQKEi1yWRHbTs2Fuu2Y.xNImCGXAbcrERYC0WvzXVMgid.ALwoRKyBbScnx61YHdBHbvA.QFtja_vPdHLeE37PlM_EbFO2AhkYpxhaSCoE1KBi5_Nw_uSukZsjJcN7Y0TMIjJRCkmG5E0DW.5SkDhl.KOaQrk7LtvtxYPdQhZdARjGQHxDmSfX7JHWMbExplBTma7J8cqIJqtvt23o6Yod1Vku6uZqi.oJ7UNZBXxmYLVv2Rtbk220gJ.SMPhW4zrMLWhAuHdY8r8Rh1l.TYQvQZq6_q5JqOxpGG4cUfNKgkH4Mf3EbGBzir.UQnwUGwxb0IUkPtP8hTUmc8MHoRq51kmW6usXosBJGV8Tjfo8zsVGrfrZv2nsNv3jQiI26nCuUo5qN9Tk2K2bG2Sg3ox8JrhhFuYIXENPTJzLI49ok.cQrBRR1_CgnCxqkDIVDZvp6h5crYN91KSi4yrKDQ2v8Le_qUi40mHynIHNTL1TTi2x9ydle2kU90aqRk9KK1YqRTakCci4_CECxleDWDNKlNA4M.qh6nWFVBAVxBqUK6DrKYbE_sNjzjdp.h4QGlDu4GeHyZ",mdrd: "KgTZ_LsM74Wj207FAYugNQ0Z467PPMcVL_PhK5ltpqo-1739090456-1.2.1.1-eOfDsjHM_7FE1glISRmUsTvpCK6G42cs4usSJGeHc9zVQBqBdtJkYYVVal_Tdn7eHM7TMgs9KP3t2dztLKqS.mJ.dZznBn5av7jrtPre0hSiYB5F621JY6..qJvoOc8BpWk.zKvnang1MOHBEw7HugrbduAqUnSRBTtLIY.qQKhfT31kgoIqngKLs4cbbbTAyFa9ApQ7PkNkqDPcv6vbwwKp1W4s48sWIdmvYHinkghEZAQF98g4BPn8JkjPcQLzUpwBQukKq4xYywGGdVb.BlZIgZFwGZVWjqQLf211SAL_7gsMEcG3Is9FMCXhVks4IEis2jOZKFAL.f1ecaeqz65Hw6ioyIQUZkrghnxrV1ctiOYnXEz5A38GKVfVA.MVZMrKpjLFO0292DnfZk5eciexTc1Wp4F6cOwYjrzr7U4TYKQpT59r69PREuWJ8Jsy6iu_Yd9n6ZXukSciqQnvnddezs9GVPSGFFTQBuPt.mdni84BRJsMkhpTMyPYqBfjwQDNBQdzjFqylfA90WdxldbvNBaFsqQn10D3P8Z._PW6BU0DyHA7ULML4Pizv36HVtZw22XHeCtY_QlAngi7Og7psUQqpIfYHjsS84okS1Hl4rkzD4WIahx8BZlYhh.KPSOtgmPDGEqYjMJQYoQM48YzudT12jTd_OVbf0dv_u8xlMZcqrQi.M6xkVMGWqkqX8lytlaWpa4Q3PR8PxZ9Q._xJw5n8Uclhnq9UvNxUwNLIePPpbeYBVEIbkf0fbaCppAXQsVNdD1htBwWVjlLZqZOlGkJqhB0Wmwu3otmqEQZ21P2G6wbBJGYUFU4jlidF0I9VZ4H.s7polsKYEzKQlqjVQ1Hn0Go.yPCFMORBHEdZ81LgPgI1nlTmpwwPiF3If9q5IjE5tq6DE6OvJj5Kweejn7wy4XZEVN7NJK.Xe6PTA_NC24uzbJ3.pcfBnr5veCq4ENmWLmM.OZ00NgsMVaYOQ_rzo8gRTIiZupC0ND660B3gWtPMOexT_5mp65NY8CJEu.9AyQpKE6yQ0lW2w.KCwteE9hlI7gHyYStwtYJ2CMK76KHtSj47YCT1m8HYKZcaRsr1yg8HKS1RuCjoiR0iiw_BOJjrhatxPScM52jAhQ1yMKxZvX4MZVFNUjAAHxTvnvJaViXmax1OLfNfQwpuO_qYMW9ZEjaYV..4DnZtP9L3Lk5VxUHZRmCnyTRo.HCxJKxHDxlxQkO0BUMBZhbqrWf7tM2sVJghKYzcE439akdFN5k3BixXd4rt_xTUzeD9xilhA1vXZhbKVGEKY_dFWFExDHEx0OBWa4KYqkOakUw6YtV7s_KU8BC1cobxlDLpLjSmlqxFlnqddevgHNaYFWxDF_cQjyvT_9vGYe3BrJd8JibWH3RfB3RQb1L4SmIvpsh44k85o1mRKu0uXoE0Yza76V4yEn8u9g1pp5wlXvbb6SyQFhs2Ay6_dIQoRf.k_5yszrP96PsKc46eW2jfWCZaf_Ma5jrvJyRFCrRxAgAEHdgiN8xt_Ad7FsJn.Xwra6p9w6LdZtp.qVUN5TpaNusrvuyFsCRFqUUHM.2Sy1QdiFxANsU8CVVjrQSQKILLfewfounMykDMwnNkaL9.xhq7FTjjVuPzuHoIBf4JfT8jiCuuvQQanV13GI_jFSte4qPF_RV5ebofxsUpfP1meIBWsumqkW2.UN2MfPIYjDW0JgVmExpWVhTgCWhpGftM.ocjASukLXXKD2Vvn3bySRfWGFaEj.pZbzsupwc7SAY.Fdzvzr6Pzk5ge3_KRJYiET5KupcHz8eq_KfBg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f28ebbce0d1775';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\/4139257068?__cf_chl_rt_tk=TBmwYmNDC72b4NYJxYHtTW0l8CUQbvGA_gXjkZj66jY-1739090456-1.0.1.1-fy8i14hgNwWQHT_vivlCkW5X6kTzJRiQ182Vu85AgAg" + 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