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-213880575651.mit-edu.top/post/7106829543

  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-213880575651.mit-edu.top",cType: 'managed',cRay: '91079b3c18f03ae2',cH: 'lilMAkwjhNHXQBacI1_lFcKyetMuw.XUrY3KRyXNQWM-1739311169-1.2.1.1-MIP1oMvH7daOQLedXmtZTw3kMX7kUo6khsrpFdKaRJs46w_b.OG2YnR7Ly3sR8SD',cUPMDTk: "\/post\/7106829543?__cf_chl_tk=JD5dPGdXA09m.wmEwq.Dq65j_H7xjDA6lsQWbwQjc30-1739311169-1.0.1.1-eGponSU6XXgOt7W96PSHd5pTFyOg0NvG43p53GHD_7s",cFPWv: 'g',cITimeS: '1739311169',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7106829543?__cf_chl_f_tk=JD5dPGdXA09m.wmEwq.Dq65j_H7xjDA6lsQWbwQjc30-1739311169-1.0.1.1-eGponSU6XXgOt7W96PSHd5pTFyOg0NvG43p53GHD_7s",md: "5Iwj5JmjWcwSHpxWdXvj73xRMyGV3fgF36iczWyiLFM-1739311169-1.2.1.1-vJpoyS2CmFLGbnt9OzBtVrrgRQE_1QT_zrQUjZ88U20cmIRRF_h24Yy1i8fGP_wSi5eAfUQRRpdm7jN7OxHchNUGTyUbkwzGapEcil5vNev08BMunZkZgdD4kbWHMi1rT3UxngRBQvOY2lvsVIp7im1xPMalk.YUNtWfEvCMMqTZ9R4tI38oUaHdGiri50PoVTTKH8iQ8JLcPYOMHjwcvqraY9A758lDhhIntstp7ZUfI.DN3JTxku9ZkRQF0mW009_ylZhek5WHex59x0NXJEw8UdTXx7V.VnypizolJq19IS4hMgOkCN2GPuqOnKzjM4lO2cPKL39g_R7WedVI1XAq_jv7i02cqA6TeBLu5lPbMx2oQ4rxMsXzKc7phJFDZNzHmQ1roIm_UFNkvhpKLyQpeNbR1f8jAfqrl7_0GgAtHTFM6EAGopoVWaspk87tDVqWmhskxf0RLd0bqj1YZp2j73XaCzRqcf6E2LlQ1uJoje481MzQqKYbse_OSMHg0F7cZDagWBkOlHZ7x0QSsNtxypGvh23ZNankkDccazsy1kxNfrsr3ZXCCFBLCngZL.SdKDHOBkKIFAe3NWI3cpQr40MrcQAjd9jrMedMfB54Is6M5f4zjtgsbPpDmqBF_tTzm66vv5JOCPfFsaX2RhE9b27Wfh1oTPM40FGqqGcNcp5M8bGWUum0_pzC2nKZsX4hueEO252cTEkegCEdAY85d2ClpyrFRArx6Q1Ogf8LLC_36EYU21ea3PRPSgllzIFEzVyJEiyuvk2jmobwo2Zlyl4COBtvk7R1pp3IceVaM66cu6rw_XzdPlvOqnuJN.kp1c42tQ7Sz70zp.CpEvGsbNDYGZqXi76_pyhcEzremdM3GFvVDtljm2f8LTiVXkGH1dkHLM0NsbQjQF77jJhW43kp5Oxr1MzBn24yGGBSwWCly4R.EFbQSm3owNNX5VuQxQPOrXc7K.leYye.5.H2ub8VI1gmin_IiQRALh9x4S_swVhOU00zv4hJSYY3A18V7iH6p2XV3KlG0wBUPSFK.eJkEBiFNU1z7DCssXRL.xSHBPLZ34VuUpGc3P8VBg0aETdQt380rjhhuj4YwbTYeQKjYXorpZbj7Gqprb0UBtHGdZAaVUZ6plV9YWnWvY9dAGOFVKjcsGYrj6I0FteEAFgGOEqw8E0HfklhG3AKkk1SjsN76QIzWZ.zoM7X5vesLrQGHORXMmx.EwdNk5vHrjOd_5UeGMQBvgE8_5SpoPcHZOa08Qee_iAKKfT5.SY_WPzPLtMj7GQr6S6Oyox8_7G2CiK2a94fMj7NUNcfopfqO_NK1PkOyY4AF7Q4d8SuZWGD.AcRno9WU._o1O6nZ6rUuvVZFZ3LZbFlBKxNZhYWLGXKxgy4o7AMstDhvlGJF0p_2CgaGFgAcQJh7Sbwfw8kvmPiKqMhe4vlJAm4ya1tN76lp96U4P1lzkzdlWiNPrwwYsk1oGitdsWrxN3amrCuhJO6rxfAifC62QdkXl9TaE1MLPFy_eFSfMyyHIY2GrUQRjHOsJI6RAk5.0jnpEDYTEYukcTm.5qg4vDoPsLVfLYQK6ixnrOB_NFSTpNcsXaiuNL9oEaUBr1Nf46qqVth1JHmOY2MPoxvmL11_ACmvaJq9wJ2a9oyN_7fNbHgubD3I_gnBPhjXDhOVaQTM2.zr906jY_7MsjJZ0Inx2tEtiRCduhAKZomzV33ay3BG9M2jNOIosZswnTWlCyhclnzMmLIWx36TALtZxfI5Egy4quK7tXbP_ybD11WDRrK_OeGbbj6iUscIjBEVUjqKMdEG9YtF1fY0a_4mb8NVEcktiyBFtSqTZMREOSlARehOzsDgVVh1icuvCPDqDNkzT_t7DKHTzlROitE_QJHN3RR79T_b4KV5Zk3f.VokVPoY2p51_9kzX0WGExgByWEhiJFTOZCaPtyGxvRgmLy_gdKwh4hotT9ttXYTYnKUFSfQ55uVPJu_BD4JpYuX9N1rEdIqL7ipJuUHjPbqjbMrIJn7H8x2kbF.gqwnC7OScwz7sae_VdDiE3mXyXYCqDEparFN9QkOsJtTXbRupeTjZC3QMM4VNdi7QOqr3aNPFCtN9OKuGXJMCaHXZvWMgkXUo6t5qvs8GQEHhEArVAoxfClxIRN0sJSHZSHD_puSQvJ5d6uThJGNfHtbw1OIgN0NdCOf0TcZizgOSoHtXHfvcR4EXGn0SmtQU2Nm76t",mdrd: "lDhvrLvxJ79j.ZgXvZ3x0cKORg3fwSv19GYTB5g2.pQ-1739311169-1.2.1.1-zKYmbsWhaluYZh8_Em4PEi.7CIfTQUV62G2J_GleEpIjma3egqQWPakvHK6n78i4S4DrqRx5GNkfpB5UfnzgWy1YzNK.gDzbes5AtBZz79jpCwb_YHeiWjhZKyv5LTfaaUoJi1L.XQEugu1.CSi.rANJ_FH9EAn3WqTOpvxc7ivdPEU4z3jswq1NmyC.8tgJEbjJ3VAKvfmfYP4VkD4e54tkYUpg07PTgXHAqbNMpgtzDaNMhCY2xSj5arYO.mbGxsPQ2WTPpDMrY666g2AjvygUgdZJqW7mnPsohPr0T5j2ZfV.gajvAWh5LIHMILacH_69EjJFxNR8tAUF5vBovO9QHoaasozpsL_275ak4V6Ks5Q3yL6hycG1DNO3ND18M6zwQRAhsKgR7_2JXj1UXtKPhOvd_lpjT7Jvn9K3GTGIW8op9Qvmt7vJJ3NFF6eVq7qZhDxbqWfnRCOZrTAWVB9M6gSAYiWroEX8EOvMzIIVMrqCsUyoxS6i5MmlCSTndCK8JX0fyQ40LzaW5zn60A7WDqQQ2XNI1WGHz__HKfcl.YzQ2FsxBSyqGTOZENCdVYBVzzo7KaMIsYoDLnCh3Cq6xCE2EdIcpje9manhKv.V1X2SCY2KRReif33LP2KoqALs.q_MuiRA6jIGSv0LJx31IhLnHdV8H_UgalIy5w8sMV65I6gp59n4XTbKzxvV2xPAkM0wXIDxeE8wsaabuqdA2sGb7XyvP5ZUVVIkSv07hOBdoqsaS7CdZ.VvB3ORpRcBf6dCNBbuYdxXZOMGWOWMpWJX9oMrViPetuTYIwY3MEQsPqTryteC9Yh4pM3LLfHaFXbau4HHcuY6b3zzVTidAySe8DRizD6RXTFJwIbf2WFOpbvrEMqerPg.tZDcYEEpUv7c3uXtUsY8DiPw2jlHyuWWti90bMixO6vjwlqztymn58BMVJ0akA9nmvLY2liNJkqSH3iqGq2VjCHxA7o.kdIMpk5PYxRucnts4gZcTE2ungXdTrh36bBefota0AhD7_.W7pkZACz8xJG9pL06Rfbh8eX._OBlxFnfNk_EAdsW08BsAuMb1BKYUSyRMbsS03o6fFfwaIj5ZXwjgsgxotKshnYAIRwHStsKnHSGK1YcUMls8oskkyUi3uW2nVviFIvZNXfbb2ngB1uGXNuEeY8UFohPFV3J7bJjWETXi59twyYZjRYX8qakBM8sSozG7PDmcD5d.FYZH4.zMII0eltWo7CxfjtSn5wjLMOIHO6vr2YCIgMct7hlJsETE60fLd0fW3G.T0gjxu.9birUskLtfZDEbQqaJzyx76jblGYTB12b51vRxMhNH_spKXIBcBJRwe5uSwbs7wIg0ZTs1hCCUab0QudaXvnV2jVtnyi91SlmkRdjW.kaj1hxC65aGepdzZDodBJ1zIAuBLhzEWT9FYIvUbFQGaK0W1jpi6vUaJkKb.mIQU7bTriIUbalF7WGENEog0xFbxWEYlv2vTFh68Cp_vv3pXp2N93nds2kkLzBNKd4hBx4yNy98hesrHJSUTPJQ_PrT.1psAYfq0EGhcCbLFXYlARGjn6SzeFZbrB8DqHrzSY097_ZcXiLODOwyFdt_UVJuiLp4sVaXj5IxUPl5g_fa_zuqJxRoWXB70Qii_6RQtkkY_2y.FYHhGbSv3lGtA9s5kiUoZLxjIZnMAGMsnQ59civC_WkjJ8PsckHCbG_mppfgYGrH2dwO7Vk6g32szDE.w1M8ukJdE1aanu5P2RfrRbTGwYNeXTv_c6hWx1.dbXKmhSeqCujOyvHIWMgR3bufsr4vrNn4fg4wt5iwL0jxpKOH7Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91079b3c18f03ae2';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\/7106829543?__cf_chl_rt_tk=JD5dPGdXA09m.wmEwq.Dq65j_H7xjDA6lsQWbwQjc30-1739311169-1.0.1.1-eGponSU6XXgOt7W96PSHd5pTFyOg0NvG43p53GHD_7s" + 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