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-524180008843.mit-edu.top/post/7946085123

  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-524180008843.mit-edu.top",cType: 'managed',cRay: '90f63561e8668274',cH: 'jS.VKcu4dde.UGdj0RLHZ2VbSDrRGkSSJMXvuej8OYk-1739128740-1.2.1.1-fSsqChoURlOa_5G0Cv8eMo9BIAVTTk9LsWFINSB1TGITydwSVxPclRXiffemiLio',cUPMDTk: "\/post\/7946085123?__cf_chl_tk=vJ_DlXRrGRvmwOSAAKfZlL.RrzfQZPBJ_I_9ik3mbBg-1739128740-1.0.1.1-KyhTllRTZmdBqcsV5YvEFrjE6RP2Y4Q1KywGjpS8F8E",cFPWv: 'g',cITimeS: '1739128740',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7946085123?__cf_chl_f_tk=vJ_DlXRrGRvmwOSAAKfZlL.RrzfQZPBJ_I_9ik3mbBg-1739128740-1.0.1.1-KyhTllRTZmdBqcsV5YvEFrjE6RP2Y4Q1KywGjpS8F8E",md: "ogxD9R_LDx63MQMOcB4yu5pzKpV9Se0JS2aPmjy5G5c-1739128740-1.2.1.1-k3eUOjtDIioHly.UwdJrYm7ZhTGQLTAohkQjyXXTN5QH9adWT5zhmcCd5_eImojPSVr4TR_.m8F8iMbHGCF2Ss4vy1H08aJU6kbdcEDPArBuU6sDGC1zYEDaW.EhhNz7DH3v.jnJbQNSRhvxfBEqDbBQOtmPuXbwegpYKWcOOEduJr1kgXxNZviBNU4DXhWzmh8xHogCcANZ.12pWrbwqJVhbsLdpP7eXjoxoMpbTRDZf272UlUDZcz_6D5qpJ9WnCI8qdt18W7N42VTVa4MyJJvuzqJ9LQViyO4aGnLkXsU7s.wGgvuTZ4lY1.GHfNlgmCFdGtt.y40F2GgcnmxnqWuxH41UMmMW4E0eHdTfiF9HLDZ6yQ2cbdVcSYZRAMJgAPsvPGfc2.8KzuvhUQPB9o4WMPUlc0Wuu7eamcJFPV191bGkbjYFicrpo2HBK6ml9ji9aaBwmaIaUuYYRiBpNNP.tiNCVFIG9x5JF2Gp6zJ.iaWUjWVxtdmHKHkdOViyu4zuOXyX8VgpXQfdGWYJ_MVtSBYe8B.fToFhD.MXr_7OF.XZxp0EVkm03jUJ3VI.xlBpMTUzBmEXrCsjW2fWd12d6dzBAeCfUcsXxbU.tStoNzJhkA8Ba3WTXTjGB5my5EA4K9B5vy.B2LfEMseDvx_CUSbrqU5Xnw8qaPFdfAVydrlK538g._b_YmzXNGGh6vfkLmmDeXYnQ37rCXjW3MyEfA.FydKgFg0QusRfw.VZducoyZKlG26dVzBovbmE.oldwtTRM03XNxVV7Iv.iQ.vrG.PSea1KSl8ROPMqQmCgQEVJvgyziab65veilmns_KM2gUmeUFFsuDyXHJgTEx4RgA81Hgt1S3HGtHFlFGtK68DoxVlzlNztDy9TXTxXOu0bD2tzRmHLvtJafw8do.2xJz2QkbLW3BoYKT_d9D7LxryjdE3pt.QOZuNdJxIP9OE6Hp_KjLGvvukP__zmuFCubOF8lel4HTh.IkFB56q7K61qD8jbLxs_IxK9o8GbWgC7l0ldsYRFhKYWBOwCik2gBRe1CO0khzfnErx.FdXY7LNxBQN2zxgU4ML12hVzqJ.petnFlRsAL3fvRDOcNLvEHCKe8M.b4i9dZGTzohxNR.llZxUvK4mX1AiU7wLAQo3eaMHsR8ARg3wkrdb9YSNerODdKZRy4M1GpOWv.fVAZHJqHSOwUS6pa6WGEtVfYQmP1QmHLxjOF.SgIU9RTZvTFRl6Z9oT.vEkwJGnAkxX4Hf3t.uno9S3bxOibcUNsFDfftOHrqpW_UiMRCp1ulH3_ShmswDsKUMzmk.6XtcQn2mQmUcIRlEKWH2RvXc9JneTrQs8L7yRawbsRLGsDY.vxtkn6IsBPJXeghL2VH7bdfUyNoYfRwnPCDnZmicmBv3yLQjREXx6M7LcjEgg2o1Eq467YQR06RkPFUnyim.2atdww2MQPkAVQ1wdowF4B5oP7FkwgvxJHI9l6G06AxmgH6bi2DMFUoCw7jzQv34.2DdNSxXWd.UUZ7ib78zkE.AG9lNvwjJGT1GLanMXkMMyAaPj0PoS_xPaKFMte7jHOSda3IZL3R.K1XB_PqVhPWZywWQVL6xRzbaJc4aGpbEaB6L3ixQa8PpRyldzmXz45QrZd0JzUzBvWV46HWSOIWgZATHR3rC3hvX87O77_VYl3wkFAgt5uqVKf2kKTR2UBAiaj6cpynSTfI8d_ZxUexJCgT3Wf0ygWjJQFOmMoLkW_0TvKCyzTRyBLF6hl3bAO1dDpnfoZWfAroM_rudBsdW77x4_FRbiAzLF20AphMT0_lp6ZJ5Y4dcLwmkLSXs2GNefeOBdSIMhGZv1IQ.wI_NKpfdLJes.DeaDGj9uCV3VU6ZRh6dP6c_fEhOkIV_RqmGz9x.uLjNYGNToP93.5WMdL02jbHx3mHZIL8XVAgUe9Vbai9O4f5WIe47_OsRMz7IJlVxYYZE_ZYxvhT_uuP4KV0Salfw30cfW4DLI5ULgg14t6ha8oCHplugR9bqRp09n7g1i8KcKejeNxXGQNGjJbPKlxE9QfcHiX5JxsgGtws.T3VMPOZGeNPUzyGIVIm.ufKA2WfsCBH1RTiCZ6PKQmi1CZ5075RmcwbWxloLzf8aJPL0eXNDD1K_eaTp0wL3MncBJLdy.wKSk_9xY2aZYfhvtvC3NE_c9RmAGyxY6xrE_q71rKLLPItl08i0SkCw7sKgJqVhKJgIPmK",mdrd: "r6e7uSMwhVPgnfa5lgUCKKLyAicmMoTIoLfzojrp47g-1739128740-1.2.1.1-a3t4aGKU6_7achQ4GtO3TXaVlQI7InycMTguINhlywqXvjgxItDSiFIcQ5pUTt1TcDF6a0RnIrntDgcEaR6Zd67RLwoTM845J_wLBGZa1fyL2C7H5RMe5TY7__ta3BOwugxXPGXqRaEA2iTnNyhQuN3pLP6GxrSoPft7p1_TnuL.lCAv89_toih0bmiaBHYD7yvyuUxBCfJadVY1VmRFPH3E0rzikZxLvpt5w3ecjwqeRgF9rc.GnMBVxzOo5SgurZM9i_Wk8OEtyyvXAKW8_YaRj37x_j8ukwlRo4leCp71K0ud75H4DFvliQHclU4gh5a2r3d8DPQ7CfnD.uBYe5UDIe1qLKQow4g0hZEV8bTnY5RLUbVM0ki4WnNsrImOEGRmupBl.8NHNE9KSGEMoMbGIkHxV_pRJEkwA0QBXWmWPZGka6xESSyGBy_KeBO1BMIPPaFmFeox9k2vvasALNfY.XVbgn3rzXsrtuURL4uT5UO2IwNFqHroxyMOFy4xwd8wFCkbk2maRECq7sX3AcBB7t4ziNcPv.f1X_FrPnpNjrQhrVHgqiEwKffxD.vRvLoxbXZDCllGhltLNa29OhJCOgThGoTurDT.DNjKFtg61yscBKvIJZsR0KNmlpouXT275VSb11H5O0QkxVHMzMl7hrfYYTc0wLyOMausNoXajIqXApgrSqhJE.Yr9WoU8C7zG4rDWH9spDZZy1ghgY.QidvDjI0I1PJm1ZQ0TUIV22OKPvddB9BMGRZrailaL5G57fBz1NKk4AcpAIBSFZj1YlN1OCagP.K4qo.8_o5ztDLTNRGpaLJcaccwLezBQzw6Sz7sWhjBkXABIK0sddrJKK5Uzp.zUuaLSz037iSocibDvEetANGFkbCOAOgbLXy4NconrY7ld9paWIhPUKDdoLLwRM0lLC383QfQByZ6nsz1ZjlHHjG31N4n9kGpoc5.cLjLVWUGhgv4PMOM8je2Hv6x_6P.4reZtJgyfhoCkPLmeqNWlqaWYdAEXxI2SekyF3znZjUHQUIyqzyxiGdm1B7casIU_mNTQHhbm0T1SoNdzUltAwIZJZC9ol4L0FkXzsjS8R2S65O2g4H3yx6LiCYggbDnjzJOWG.8vgDsXSz67sb5O2TLu5wUReLSJgqN4.pim4BgQQUnSDOV9BQQbz_YWwCVIop.RLfw3_uY06LrRMok1tK9EHSVaUI.O8prGsmhkZVbOgctp1QWDQ5Jv1IljlHtrFzKU8TTdOXYgI4Kk9czimKfBFmt.UIVklkUdHhs0l8sqt6NEjE_Rfh0Gvn7GE2A5yJ1BnF4G0mzkrIe42BP0VjJWqxNxnbWlgD_M0gayTDOVansJ.CyWDoy3hmCe7heK9OcZXBwRAZHCp8yOjKsfyRNpF0SJKJIAT6c3DPVxM7pFjQCqp.RVGpp56xYIBmvcxgXJRdYoQOD7twUYq1VPVm8YY_q16HsYr6tOC6BTvp0qFXuUv2_64hmoQhB0vAM_Rg6gm8tQX5I2MUwAMlyHRNqcDkLJLLzXekcONoHAADutMxjLC9Ct3m0SXwBwtxV.bRkWOjR_Bvc7BosvSxvyJRLElOqTTlya8oEK6XKvOlRCNDggdsut3UHiUICtSeK_msVxMwB3jv4Cj2Aoj4qcVb67W5jHWkjnXQlf9s7pc2g1pYye2Hn7xGJ04cYyQlq52trft74h80P.V7wOAwTgIAP1SE0nmh41F1At7hOh7eqG8XEoFJo4XhN8RaWAjRskBbX1OsTEhp1GWbrFFlnvQgtecAC7m5VQl9OmWGmQFDvqJEu6j30jw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f63561e8668274';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\/7946085123?__cf_chl_rt_tk=vJ_DlXRrGRvmwOSAAKfZlL.RrzfQZPBJ_I_9ik3mbBg-1739128740-1.0.1.1-KyhTllRTZmdBqcsV5YvEFrjE6RP2Y4Q1KywGjpS8F8E" + 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