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-258766323518.mit-edu.top/post/5613082794

  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-258766323518.mit-edu.top",cType: 'managed',cRay: '90f7e2ebf85d2000',cH: 'wYsiYhByiaJLeCXINDTr6NISgs5ybgnlJuyv8EL3_eU-1739146334-1.2.1.1-X4gESgJT2PxQWSQXvKEEHxf98outYQ9BJghVCFrBdHRc2ExohMxcVp1LQcsMURxe',cUPMDTk: "\/post\/5613082794?__cf_chl_tk=r34fINRJhLpBXevxdgCpQFwPATkwG9IuQiJxt4PRJts-1739146334-1.0.1.1-xhw7d.FAFhyzzVcEREC_RD2XfZBpPbBxBoY.WszNWGQ",cFPWv: 'g',cITimeS: '1739146334',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5613082794?__cf_chl_f_tk=r34fINRJhLpBXevxdgCpQFwPATkwG9IuQiJxt4PRJts-1739146334-1.0.1.1-xhw7d.FAFhyzzVcEREC_RD2XfZBpPbBxBoY.WszNWGQ",md: "68pSQu3zym5uw2YGFz4X2aV9VwhKFNXleKUvHdBvQnY-1739146334-1.2.1.1-ULCRexWOFsMfn9.Bohw0_bR_N4GIyBxoIwjv0TJ8IUwuteKLIbcvaRYvzwvczJazOakJEJ1eg5Ou5RIgbCwQNEB.p3Q1KClpFw2IRSJ_L3DLv6Jvl0mrAduevPylPcU.vYSGXzbP5zIumCtzukCb.nUzyp1pqYZSFypJuWBMQaSWt_xxoOxTiGM2jcYSU0o9ZZSTzAYtqga2vEVcXivACupN3qTN5HLqmPu2AS1Jfwtdhrp7PLejPeWg7ZlwaXoSdphTdlJ74l1UsZKaULVvWKqJNvVQZw.C3UnjQ1MYGAdiBnyhz84kdmp_hDs.TRtV6t7pHzFC7GVaNrPirn7.NokxrtkUB8SRbI0bXJnTB.s0Ct5wxjJ8cN_Gz5YKjaYCvDKfcFYrtcleMLJ_wgdLH5OHUx57y_NOchi3hcTHnO2dSem7V9mHX8FmWczGFjrnu7ntsJjMYGmAMTA0.PNxJMqi4I3.24KoP9KMcasuYqx1s9jY3n8PUD7wLsS6E1wz7G7LHuLak4DNVOQ7ssL3dHwmeCOLPTwOajERLoCBBRdA1p6p2tyHAriOPC2NbF0iJGIzVBwAJuG1DX9iDXy_1jSAhUaww4yEbPQRVoejX9J9nuTzU5Pg3nJHG.CDeDbL.tsRFtaSMSXaaRj6Y2bUzqnQnWmnVpeFWTjmIqQzrm.hK1aYhuOaL71ikK0ob_GqAMRIU.TAZ_I7Dc2Ad0uUCo2WbL_n0KJeRpFgxmJt.XvwPrzpV_XoayI2WETZWTxKZnEy5vD44Wej5BG.oNmmW1g.nLmxnyaw8I.iWWnMmRA6oNleqtXqa0ntlGKNug856o69IufhbbMbeTIUCkgWPljp1eee.NUDFraDMhcRuCfQcZuVBAOd2gRVESubYr_1y9Mtt9HRllx8JJkN4cJaQFXf_BZx0tdK33Aw8MlbpUtUBWJZmyb7rF35Qf.S2HHiVZ2wCSchFUHxzr8BAJNEdpG59YA4LoUMISPCZRL8x9sYml5FiuJa2y.l.I.66evBL0qm0a9sHysSGsU7Oem7nlGqqQAQhw6C5BDO92.TlgtF1KpnfKGvP6kl0I6n1e43df9fNzYueYallNaz7gPLGvj_xbEItCIcv4u8Zy2pBmROfa.mwaDjqeHQorT73zcZY2u8nGgaM4oUm1Z6yuFynGhpLLBAowHKZUiLOCDLRznhEbFuPfTTvOngYxB0xE9RmzLSHT0jWnq6JMMxBrevuJFt2FjqGvcuXKgtJft6SluFNwOUDipGuNQRWES.jN1y8lXnAGvHOiopfTgCkRpN90w0bg5v6ylGb0RZK5Tio9XnDOKragbaUQPdB2BhENw788cWfKTFCOQ08Lcimc5HYX4avd_EHGcSyfQLwrBKBLUxsV62UrWqo9D9aH.y__rt32R6byzCJM3wNorcw_CeISAR6G2VWc5g6.RFk_GToLRe4NkxKa4DOOt_iIKkQ_yG9IT_l62dj4ePR_qo1o0hPdor0P03M5MW1horimEAf3mmVMWOBDauw29zGNy6k4BQl_Km5x_iZCtgXGd9mUzI2R7XQrEHnsuqfJIwjUpGNzFi8rp2i1Z3xMu9GfSPkS4ZWl6rOkbiACWyX30VnZ8Fwti.ssPa3IOAjWNJ.QyXZ4zRFZi4Nd5eQ.dTtlwmEIzlzHUtPGBqf666a.5vcLyDWgYq.efG7QKR_1Dfu8f85rEpirqnTmMr8Vj3Giq_O5xdjFI09WW_JtT97J942Xay4Odh16A8RpZ17yEHLKTl9T4Yo.D_pbA2sRMv4G8ifycrQ0bhb9MBMeMLWp2LE8BOZryVEbEXlTiuFENm1Ps.fkpUE3njqbOQ.mxwu5zVRip3LN2gowZyfNTM3sVNuvijje4HLHh7RS9TzOmSE4bagH3ZENTsomhklXmtRpR3DskfRjAkAk7vFYW8eLEyX_tonfkmtA70CuCDC7yKrO2k08wQe9.rmqvGbWdS8EKaDRQuldjYDztSDh8wFBWPUI_J4nR_7w_ONDAe2JIFm3Xp05K7ygOvAzftfy5DrBCfjvYitj0b2kBd6L6ETAIN2lWBQkT8pnNu7oHFYPVJ6N2DOJkDU50OD2tP5XH09QExtcPWco0VRKFWHKLaPWshtLvIHN6ZwUHSTX61Gn31FHTJdgYCczjjkFjHzNSbJlrDbjJRG2kva_3PWZmHaUgC34s3pxE9wQLkkdwZr3wcFjWpIZbCNFzulUa04.wT8xFUNpCC",mdrd: "b9PjOEyCdiMTforDw581CtW3j.SDwmYsLn9EbbIFtyU-1739146334-1.2.1.1-StYl2pGeGsuaKxZxam4WECPj1w4rVwFjnH2gRhgCFHDLx3WwmGyG5xkvGoFclrNtZkxZ4SNE3Cs5Em9I3xUYp0z7U2U9kg9Ca1bq2Uy46XXsT4JTP9E5zQGswm1jJhAMpgL9sDFxFfhQD9X8gYVsyNHgWkZa5tAp7cuAx3T7WhA1DHDVtdk.BUmZCRmWCMN_VsCnOA7Hks6IR4zsX8feOwRrRD1Gj_oSyp0JidO.xX9Js7YOG_VCUba_5vJEekhDELrCqQ94kZPZatErpLZo5.07U2rkMnK__FkZsTM12m4aefg3Fpi6o4IGCntvTNjO7.m3hlMiugTEor7FxyLO6SxUa0pmMnEbmmxwY9YNgGFrEm.4E5fC86YLpKoyIMk2kv0wAw2PMxnSwTlYdrAFH7Sry.h.JNAoUWSvo3si3TqZNLsjew3yo_UoXn0qITgr02.cI8sYHhqCslb.7zrTsUkZf00Q_L1kSnXj0vSfTsFvDlvA1Ze4bfh80lvJQnor8XasLphAS2vZTuTpP.5k52e8GnU7Hxtyet8w7D8f_jXtZ7zI_H4d3dXSvDCzO177KV4z0xy2NSSFZja3uP5cEcQVIIhYWjgOYreWONwRMnJzIqJ5EKlmj.U52NWJZSXEJEzsTXxsZqraGu80Av0tfm7FuXEsJqrgtwyYe3iW3E8LqBSt59mFEfd_ysdcWFakBkYc.LGMnGnSkLkd4WD6OzdU321xdv4PU5eD89V5TIxbe11nS0DtdM99YmqUh_kjxcuFgnfcZ0I4m6JNFmPx80edZXqbpAn4MhLLKxVls1kDl7bkaZcxVptyduwIKQlnHpY.rrWkab8c3rjRh5OxcyI2HNKsXq2Sk_RQ3BcgGGWDBRB3SQS68JZi6D29HkzpHvmNnxaXg.jVEvPtJSYFXcviKvZmkqBmxeAOJEZKYIP4OSy9rQ7O9rQaSM0fGoUH7pthCTomqp6CQQjhvML7klVkp.JZZ4zt8npWvTPpfjLM8nljBYypyIcxvPY1AAj7jNSFxouyndJZs4C_sQUaoPLmYlrb5x7nVWd9.__hanTxP5ihZz50u5WADTPnaBoqq2u7FHz.87nOkq1rCyCms8Su5xJ2fNKQr6taF106Uj0mxKH8lNF_8zrhltpa9Sb7b.rRwd7cvgfxJOoijqDwSJIJ_fSu4NvPHA_PBEZ7fzDdVZl2huXHDPR19Umsl6xFjNS0.u2.rIkuszDOHg8sTCk2trfv3bFn23a84ooTvagIdc2GQSrM_YJrl2pmZhGrdpo00xtC_snjkZpT.6uejvJOXiVZXbCPejHqP0u_2jH9vz8h.wWxVGKKFFqWYoQUxt8cV9Ir4zMmUx_.3QHtxizt.OyDSdwWwDPxugBPm5Lx.A7VCDMwsKbFuWD02DJzI6Bzc5rmG8lLKE3RyGmxRmLqCybYQtmwjIWkMAQ5xh_hA1Gb6vVqOjrIfc.X1VIz2ljtPwaUGwBZ50_CpSOs.3pjnBbssiXzssKM5epzBwMsPPizpuOEdBsBlWH1ra2opzEYAiOnGLbWrPbBMLkBKCQHz_YctDbOYpno8XQrP1kH.N3i3W6af2LiUs1cSYrOvCE0ofYbnU9ThYbHrl6SOE0xlNJVNEAqkXQjOZuGzWmsPyBQ4R9V6GfpMRF3ig3JMbbTL5bsEz7NRlox.2j_Fqt_UTi7IzjBt7duol9pxxCJ68bF_Jxqslwcye8B_j9rnbn5hNtlt7hChsPYeFjexoKRsR6Ql0chh8kSict3cLupkvvhDEIEhTTpZrHVHIfHxDsS12K0K8wrCsqG4GF2n_hLzfmJzCN7ZgWqEOpTH1BXJzUMmXePk5Rhl7sAonUY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7e2ebf85d2000';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\/5613082794?__cf_chl_rt_tk=r34fINRJhLpBXevxdgCpQFwPATkwG9IuQiJxt4PRJts-1739146334-1.0.1.1-xhw7d.FAFhyzzVcEREC_RD2XfZBpPbBxBoY.WszNWGQ" + 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