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-affd7zswo.mit-edu.top/post/3761524098

  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-affd7zswo.mit-edu.top",cType: 'managed',cRay: '90fce067a8861fdf',cH: '5odXhwg2VeAkoJLynj8rbilBCe9NQW8qtapsBatgRzI-1739198659-1.2.1.1-5Dg.xnsvCMrhi8h05i3tAunOe8DC5_HN.5QhSjZjOXRup_bFmlRgd15k_.XWJeeo',cUPMDTk: "\/post\/3761524098?__cf_chl_tk=dcyzr1YJvU0i65oPLdiSYdHqPjQsMC_WUiXSEOnkeao-1739198659-1.0.1.1-uYaWsW7PkbXZp3A6nk7j8d8TrvZggbye69blHAs6uMg",cFPWv: 'g',cITimeS: '1739198659',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3761524098?__cf_chl_f_tk=dcyzr1YJvU0i65oPLdiSYdHqPjQsMC_WUiXSEOnkeao-1739198659-1.0.1.1-uYaWsW7PkbXZp3A6nk7j8d8TrvZggbye69blHAs6uMg",md: "LNeyUYhXPCSWAahhcFN3k9ldUATZuHr.7Z4i..Fxpy4-1739198659-1.2.1.1-CBTz68rJ46cmeC8amk3MxD98805clnGphbNKoWufBAz5hiEDumTvJOAEHTOPapSdtF5ytDk8nFoGLCuhc0Ne6X2TpkW0F6Yn5hoDR4i2LlM_8eLsZGFpdMeQ6Zv9zCoLgYlYHJEQUIp4Y4I3cB_RlBF81vMWzD1w71151BLZEpL22licDMIhSjeOEZMVNcDp9qa1r8M0tTQtxgKBjYpTKlxp69LtYOjWvjs.MVKwUFFYe7hgr.sFdH6LqEUTeuY.vTvrkygcE4AIZjd2rv6W.8kpZlHPBxVlYyUCjnrCc7TAdeQAFeWpYrogyIBE.80.cEKvIsfzeAO9yYznxB9ph84L1DZp06JCmRrbfrY_HIMyk2wWi3UX5.P48JeDB0Vvlv3ETM9XLruPlOWozu06YYXVkjQByFjNyGJkTLb37UuRzr408ShFDvxFcP1tsOHGtAmbjF.fao_b8qRwhCZf2lw1HbuzqoFV1LGN8rQ2TKQvx.vEiD2wN4yL7jUfPrhV.MBfDESfa3RBctjNQ6ge0YV1g2tINiGKg2Ez_ZafHGkSAhgaIaUyvSTUf7SVYZPq76cdejjmSlODy5PJMBWnCSSwUkEUCd8WCgYUiFTVb37vd09upuFkuPsOPIFqyfnJkp54TM7AvSS46GSE8Ai4Pe0sQXsnwf9atfK_v_Pr74_mC9UipnBgnOL9nOWo2lB.eWnkZZluYSrEbJog3FPgNgJxfBsM2RHp17JmVvauIkAGKDJJ3CekmJnro2bEZVWTMkq9MZVcp8oZm6jU4Ltc3wPay5p_dXNXEpNfkQM_HQbXBGnBJp4i2IMwLOBjM13_lJ8tQI8EXGTjPykq6yhCdYSt3Fuh1RAxS9yaW2HwXpd2Bu8HJi5hJONChx_gilbbx1snkd9QGlPLd2F7OZiAXaSiC.NxGKm9bXId8rf3YwSIqM_XoUYnS9FFCZQwDffDCJJyq9AK7VeYnaXH2yQOXB4FFKkQ6i2WxlzrikdGacB3_4Bn08dmf8ZaCfbf1l.IVdRRB6VWgE8LOZnvn3SCoSqYCbgUCkRPj03rA0_wIARnUf_lSPvKeT8kF_UogWaejbi3Nyrq8lw98aAa2hkD2M5GC9.rUagHIBUEt1uZpEy.VFH0R.I7QZ7DHyxw.pH2R9h6hjlhzy22XRDVkMJBL.gqJ5i4QYzi2E4K1eopEjKDdT.Q2atRCep7BDL0EaHU0rGY.JIrAbG8LtX965vQgjYbG1UadZWRn1Z5nfz_jtv3I7yZIjkZvbzUmk8IXuIVoeAfeDbu3YV1bdUYBewIjeN0o1o5HVrDnxM9EdFbtZqjynU9LjPOAARRx.AYFc1JHorQxRDDWaV2bq7WieyS8QumQl2nz1pXxHfyFrxMgNrh10pk6FBaPPuNQCv0wTXUuNjdbmJ7GkG.rmcIZxRumFE__n9VZcZK4IOx1voqf01db4m_Wa.7eKKuTOx8.wLl1rCCCn8L5P1AxCuUc2uo15tUNm6aSdRDB.e87ZmEbed0Cl_4oZFxvk_J4rjG_gRkWzvXcVMHYsvRP7PW_pvVJPOtvILJmcKR40hs5tjd5JZBMVTnLhPv79m4BP6kydKuD_tjWs5l795pZXBltE4hLJBJrcuREgnHsNX6eqc5fUAGacjgvJ63yaT.L3CNTvIWxKtPYFzw19E.ximaZ7mRe4PPCU1YrJo92g9xkO87xTEdGYdKpbVjUnHPOk5.u1egCQMnXJ26iD8e.OjzVTwDXPRzWPsh0LStc3izbI0WqJdWhJlPz_i31CD_pw9epZltugFXA7pdbPYfiSWx4_dWvw3h1BqaePmQRKUvw1_eT.LQEsoZS4FhZ6Njw9MrIh02z38vHwnRzFgWP7jfhbq4WIg1.yCqgilPiA566KDJ37oBH.w7DI8d2VUT2PXaNptrxTJqJ8VngT88aJKdKT1HQV9T06yQ1AHJHPTciERZhOZGSTM4BLNGGyMJhgvVOl8L76C3zvPQsyldFbIYGT2qS_B.ikiHlLNj9psxKkP5QSvTU4hr6sA7rWi7qU_Dsti6b.IbZhRWbYNrPu.yS3rlnVP3rzCAataLUeXVSHezAt90vqJsu5SNqB1mYK5AWTtOwMQsHSngnfjT.WVGPIv.RmwnC34_Gf0ahbfBfxVxY96FFOK0JKG.JCEZT83r3U6eLUdRbULxRb2B2Q1C_aYCuoqUOn1gSdrqciKobGJbjOH7eHLgx72xAH51gOJH1uqU",mdrd: "CiDymL6TQMXkywcfCL8JlsU289IQRS7yMyhaNDE57kc-1739198659-1.2.1.1-l3P.jpMxj0Yb.GUizGzUszG223H7k7lM9uWMxgUUg0JyHls0K4GAOj6Iyq4lGYrJKpkHg53aqaJgzTgqU_mDKdzHs8Ia659958WmSB5H4H.rBwNZB2AOpFIcp.zhhcAhGhpAWr2_HmAQjDuNYdUkffIl.1gfWQ2fXdYOBYRXgZgjso8V_9J57Lj51KQHQTytbG6_hc4tiwQ7V8o_vDtSKaT796VwgcxMVnGytcvZQ2599u9JFBrucudKb.2kTqSIsyotL94djG29sK782BcmArNAvL.fkWQxxPEhMhJxKvTFsvcuN0yP4FLS0ebeFjqd0s32swlXmAsXo_GdRpZFimdIqL48WidLNh7dNxjVCQD6t.d0LMLzKzP9j9cRvwKeVGMZrPBzHgfU4d9qcaj8LdSSffkvjfXtB4lXKqCUWh1Cz1vPsGWAvoJd2__lqjd2ltBMjotLlra0g4xFQwOQvyflY2B5XSeZZRsVjfPbjcwDuQ7T_QLrF0ypfyNNEtkxKEB0apHDjUGpsQjWFd40fwy6vydF1D7GQrk1HBrcrNjQJNRmnu404D7u6E6X4M5LlGTEBnTGpkS_nyNHZa3naflkZOM0KC4rUx75EhREYXj_UxwBQl_5PePVKPixEu.YPuNcIrXJIn6y92ZutbbP4WNUKa5oIwQ3IKY4MAX7czArJW9._NKk_I778dOZmpgygx7x01oPsQGgtGABohLFk2EZBkc7t3TkO1vk9YQM3hDKmzCxCCiONgxsgntAog4Yt7fxrq9RgsWRhWylZ9KqeCMzaL_kcp8_V1EtM8GVily.sJgSa41Wo4JkDYdRqWTVQWbfKrcKTwTxFCvhUkFmqFcxNMR6WJdlxb_Bu3QiBOO.uxsQBwCd2r0J9Fo27vwVWCeZ45JoGMbFpP002onCyNct3ZvQacT_exTPZxyxvApSdq4RB9wnxZ_XajXGO7KwyAdnyfeHlY8Q4Cg278jgU7kbgphYjNbTRMCs6gLEgpReJgr.5J20MOy3yI5TKDKxnVRX1TrhHm9HfIGb8mDtpaENYEAyqHmfyj0mGJW9gYGQibn8VRyDVk6uppsaBfyKk8yWjDPGU5NPTaAjm2038_uJpvJGo.aUAuuqDBWU7LkcFxqzthkiKT4ZxCZ87ie2mI3P3zpSRjlaJlWW3C7Ga999dJAgAdQEYjNGwS_pLuB.5jdXlBUwspdoEwzBVTUzdb5dkXEmyfZR9yMc5NPKzgrW5wAO6eCyH1sFaUtcfmEWMd5Qj06GGWOjLW9Ed_SHBAdhvzFcfafFqLGQzZ2shEI729gNsNXhJrhhMAEX7f0xHy_BZDYZU5r.W5JpCHvwremLbCfd3MS5OO0byfT2QuMdSAxpCWsMuYhhEEBWAJrB4u7ilBOrEMhXWYPZ4u4UlOSn_JMWNV1G3DHiK4s5ns2fN1_fIDiqSsB7ARkyA7rj7rHqikqSf5rMaMnxSx4dcfdWvb_LY0ig7aOXbSziVIG9bSoC1CZrFKE7486nb3dM29jkQFpSH_CwwZFn9Dw6YaG3X_IHhmXd1hAlkbeyOqMg2Okx08UZV3QdFKpZcs1TNtkJf.6KaO6mTr6z2RJmpZBuCqrZu_Qz.EV2hDpICWT5Va64Yngew38zxoK44SI3ysiNfUBgHUkh60FmtT7AkrhYi04QZQqi7LMoBOJlMY9TJBdL35osZdsSRwYJk.DfgBePlBOHFzsJHGO2DgS2IKvH4VsKsQo8YKmNMW0z7p59Qp7NHJsOxj0dlm.g3E9kqfkQTXxH8IafKDNMrIhmB8vkhca7fKKLlDFT93ve3T.nvXKtrsWIvMTpDFhDSB4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fce067a8861fdf';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\/3761524098?__cf_chl_rt_tk=dcyzr1YJvU0i65oPLdiSYdHqPjQsMC_WUiXSEOnkeao-1739198659-1.0.1.1-uYaWsW7PkbXZp3A6nk7j8d8TrvZggbye69blHAs6uMg" + 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