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-485652512137.mit-edu.top/post/4381952670

  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-485652512137.mit-edu.top",cType: 'managed',cRay: '90f35dcf7d1ed6f9',cH: 'ZSLlDjjBGv8_bqWys7lHrVVW0GScS1qsKFjgU3ZC7a0-1739098938-1.2.1.1-_pKtsjNDqxeU.hAGyglVUIEl_gsda2dvvSd33pB3bK8LiEAxsQ2dlXZpMm4YXo5D',cUPMDTk: "\/post\/4381952670?__cf_chl_tk=YHahZHKHHqnyDvztRPwzO.ZCnKJ9FV7.4RRNn.cvxO4-1739098938-1.0.1.1-srvWT033pdbl.CShv4QepL3czCbCNRdRuIMdoCgcVpk",cFPWv: 'g',cITimeS: '1739098938',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4381952670?__cf_chl_f_tk=YHahZHKHHqnyDvztRPwzO.ZCnKJ9FV7.4RRNn.cvxO4-1739098938-1.0.1.1-srvWT033pdbl.CShv4QepL3czCbCNRdRuIMdoCgcVpk",md: "dUhCSwyFHygzVXucanUUbIQGA5Pfhz7iPwPSkLKmbU0-1739098938-1.2.1.1-axT3v.e1YOuEwM.poJ7A0U0IDTk7UY.ExNk3foBK5loExwwIRX6Xp1QN0i9MmFWXJzLf2sp3M30fgxxEGU5od_fXaFPmNi1llJMug.RmOH5A.e0ts26XACcHKWLFJ1u1JEj1M5QfDAxZty4j8O8rZXKFup3eVpzYafk7C.giMI5YE6ws4u_4vyPETqjoRbOOly1ANEPWEUZ6d.BX1GjQmR2SwGyiX.c8p3LriE71AOBY1CGcHuqqQuyxBxw41JZgT6VIUOHpaQylSreULB_erBchr9wupSAzvjXTsVilaIjBduXemqdD2Nxa.UjWPiViZVPqPKA1251HVkF9dazm809J_NobuNPK.b3oLpdVLxcbKiYm9lXh4kWwLte6t_qJmD7zgfyau7qnSe2.F8HeNKjJQ.00ixtYt4SX5kZio1VrjqAGvjkPhMJq71uL3crWEUSkoRuK9BHSud0kK6ZEuWD_f37z7aB479S0prQU3a3RZxNIOM6gTu5zXbmuQlFXt7BZMeLWKnfhIEMSSAQo97MCIa7_K3whvZIsO.8ID_9kauLDgVDv6ofmCqyJKKhZFY142h5ztUz9l_o43aH0b3N9YDrfwgiG4wibYHsSA_TR2vtWU227.RmUXoboxCt03jNmjBbEBu57VHdV1HfaqjgTTo.TwVJvmH9McAKot7yA.N7BfIOVfnItQw5RhTa8tZS_XAS7lTwWdK5SFm7AcdTSOAyWPL3SHPcY4X_GgY2Rs5Td8kofeJGnuU3DKAYb3R9CiLlf6dfh6jFt_XOnR9MCpQ8.eCLE7AcWbzRNxWxYQ2eVErzdkIPByW9fWgElTue.M2GVmQgBDKmxdktS7YU5MCikhxvArWJH.vY7tXC9xSz2e6jeYBluNfi93Rpp1nxy4J.2AILcYUYzjKTSGGZb3KTXRnVv4JY8cAAJJpBJcpvSskZc.4tXzY0HlYfrstDiZKhQZVkmfzdepfx1wBvS9r40G4DJ55jwna93CDGpe5N_X_bF25W0WhqzK8FfllyZNhf2BpvEsrL3W7sm1VLklA_7FL0ar97Z2NzYGGaaAHpOvREY16aWMfAYiZZ2tqvzCh7Qg0PPcqGMf090C8GHxXkdu7EssUBaPwp7S6beeUqRtqrHvijCv1RwGc1Owym6sf66AgfzqxomjaVA.XI7scDMRIPs2QY4UOVbK5wOkk2.6Ify5Yyt.4IR5imrtydJqdaO_1a.k.vlnqjF2e.ShfYFucRsJabySmNj.wJn1l7eQV4hHQYtMFubpZAviV8FrdDLPN29tw0aVTR9sI2UhImx4oeNdjeoxKO0EDMlfOQNgYC_N_Ozpd9V7Bn7o0crr4Xje7X9VP9wGifENKL2s7OTg.BHSrq5lzi9m.zqqjkdTxSRB51IzwQld5zcbeg6AZqPqLCPewwoW3V3bSIeBFgLxv3BzTwO2I6V1RZyo1TLnK.kLg9NbaHrIn8_3BoDjHpzusdRR5DUNH2x4qN40UehYFXzYxe5UBG77rSQyG9kZgHvu0Uxz5suQjYAwiUkHqGo5efe8QdnWuOHsgcrB54Y0s0zqNHxbteKZK1TWYGWrNRFpKEHoKbl7StVI8KBP2h3dFH3j7RlC7J0lENzSGfxbX7_KJ8cMK2iT3WFd6qV5DB30KCu0TS85ChjPserC5V8gq6e1lsvWg_hntx5Kay7MNQyljoYROuwsb7Yl39XHwSUC7u5ErdAx.ESVxB1qZWYNz8GZWaRX7Wq41QYvV7UIK_9NRmmTgSali0SMRP10g4XVZKjfh9kZcQNB2mIenUZcjYC8DUwmYaYikuoKhpsIvEQk9GUg07d75.B0.GyNnxKafN6XFSDoxCzFcVE6eIKgaG6fmJoBNr7M9hnhrT1ns7aAQWmPV55AmplT3.Lm3iN52gR1.ibofrf1..3tR03AjGvsx72gIvoFPJoi02DQCTKZXW3aMRvK_hNv_9YJdeHNzJ8P5DEtvyfLLhNhUHtn5t2ietDzoeNx_H3BwVovbKrTjZbNnp6b0SLprbYEJ50lzyRnBeEZT_hctWvEOJIzf0F_7J7dhXCTJKS_5YSlqU97OpRov94B0BQkyYnyJKoUiOQ0gebUOwNgclhnnwzQxuFKj2afxuVBC7f7b4inLNhck5tM_JOn77GgyGHey31EtpioKTdlxcZGZEgB2MwK3mnaplhMI40tDY5KpdOSjonR.qu4fdFPoahAbxlZHbZmwxB6iTvtN71",mdrd: "lbkoVML6GggDQlHOH0iDegYrz_RTbwDaGohkA2XUfQU-1739098938-1.2.1.1-US3KgXsfN9.l7jMDz1w1qwz1pPE2yv_K.eAYazN2jtgDnW_MmnhECujtB82kaORAqWtt6mTx3r9TSh8lmW4.egb7WMqdW2co6CCpa0QOrsmCWAjAsf.qzhR_9sJo.2Mxk4LVg8mQpuAZLKVsFnCcy2wgyxW3axQ5Wu7eCItlJ.CJF5nW73dxBB0CHAcbhMjb6fEbgIxJj.FtIRIWscXoEywvi9v0.r9J_aNqWH_WhnQUfbVP3z3c6y9Yaknjn9Fn.7Rn3FcIDwGkW9G9TR54vAG5duxTeSrXcfP_0BxbsAsLzUxbJPgdrAZS0cpS7lo2EPjcheAkY6yWMgGwUSM6Jr5B0Lg08Ccrk8zEHGIi7mkM6Gz7RDSenVHK.rQWMDpo0joXRBkSjwxSiEFVnlR5qBCgpRxBvKsOBzFGUMAmxNTB4OLhSvGfqfgFTn.u.qso4ZYkJ_9_EiItIkQqWbJNcitWFhz_FFwU69SF.0oFy5QmxnXHt3Yjx1yhKjAaz2JeBaboJLcWJozhNFu4S0j0ER2p573a_XrnCCpVyZs3V71QJtZL6h8MOycMGvlREAikZkUcXtEJufTJrEYgzIucqWQhvUNXF3K.K_Ho3CdKcPZgZlpGHQGlBsIABlf7kMBmaEQbRS_PxCI4KsOu9gTxkmMBrxapu36_fwyAm2uxFZV5W3UCIp1LssN.Y5PTdwfB1Dc4QOE79nErnF1j1I3saYHlMqvHFYOpK9_C6hYjZ7Wp.nJgrUoKAq7T3lwiGb0zBpQ8u13QKLyUg3DohRZPY7_8reSIisGW0E_l4_CWOPTm_QMPHy4.tHsSYlm_QrjGtNJ_nJI6qzptL50uZx1ysu3.O1a8BKPZn1VUaYp6e0V1FsHIy6mqH7OfkdPPzLhGIoMXe0qQhQ2AG_yv6z5vGxbltcSxS2WkMCa.IDsEp_uvEkE6CDa7Gii8QDLf3s.YXDQzQ2P1NNeopvA5p57jaxVxsndTp6SZjODsf5NgC_tol3B4LOz.Fa3TOe3RX8We.zVKGtvSP4qH2jgRnqbSpKWuEET4v1oOIqh36PTQuNZZLjvavhG2BwTjiVo7nfzLUdazSOpIGvp.k20yiOlbA4LvvASF56ukCOXb57rALKedvqZXRl6KkW_2etW7IxlIYIyM4hUSeP97VKTuaRamuOYX4yLOuRau0Jg6EfJljZt81XFLHy9UWFiXap2UOswsNeYIc_qEAeK1VMk720tkpexrj7dCN8Ud.pjDVDBVZZLYL74Y0o.Z1Bpr33Y7oC5f1S_V.UUFsdPf4hZaNaPHD_6G5bi4_PaxZljPv7lFUoPnumJaXznUH5dxziGAFWPFcu5sg_fy672a0oe9MmiV0kh3KZwptu0ddUSMN8UbvmGsYPCNEYey5KKG7oTxmOrwqvWGxhZ_J4M8jhkbtU2sYijCrBdBnZlu5Wfq8oYh_SHxu63TRT80LwHark6Y1XSQfF90hdTufMHT.1iNOJYyoY2z_ZExvXZ7HzOpdY1cPVPWATNoB7XKMEFjtK952sjbtwZLNCUb8jxK0DeP3HTk1c1R6.xnS6cmQIFThJBN90TYxTqObVQBsYLJ8r4czBDzHpkDAuHK9_xwLmyG9c38sxtKKaJBP.B9WcdiwVgzaKrFM14CrXPfU4t9ntMxQe_8wz.ve7A9K2XzrHvBTv08sV1PRDY40dBh6eiOsuH1SmxBW94Hfa1vTpU3S3uY5hiCL2UBqkYEt5qUmGH0t0zLGEhQZ_FtOgARBpNuydcNcnkAi4cQM7SOxxDPlQtFIABNkX_g_PnpiuJ7rGeJ_814nLd74fN8IPis73sEmiyQ9AZkkuI0VdgCfpOYC7wF_mW9"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f35dcf7d1ed6f9';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\/4381952670?__cf_chl_rt_tk=YHahZHKHHqnyDvztRPwzO.ZCnKJ9FV7.4RRNn.cvxO4-1739098938-1.0.1.1-srvWT033pdbl.CShv4QepL3czCbCNRdRuIMdoCgcVpk" + 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