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-393831567769.mit-edu.top/post/3274659810

  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-393831567769.mit-edu.top",cType: 'managed',cRay: '90f19fd32e693af4',cH: 'uFAbSX6QS9hP6H5XJ4MpyEDve8uzFSS0qqero95jNpw-1739080671-1.2.1.1-5jbJPOVL_jcvMseYimi4Um.AiBRHjtaMrwa.eO0XBl9EgbjFhvajCOF_oytiT_Sz',cUPMDTk: "\/post\/3274659810?__cf_chl_tk=tbdmcrfLSSx3nFfAfNF5ZDuL_QhRuTN5IP99H_G.fo8-1739080671-1.0.1.1-IGkShylOqS6ZkpjtOKE_hVMs1TAV3j2NvaJru7.JdFA",cFPWv: 'g',cITimeS: '1739080671',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3274659810?__cf_chl_f_tk=tbdmcrfLSSx3nFfAfNF5ZDuL_QhRuTN5IP99H_G.fo8-1739080671-1.0.1.1-IGkShylOqS6ZkpjtOKE_hVMs1TAV3j2NvaJru7.JdFA",md: "k.rn9WAkWDO.Dm0DXZtXy_t6hD4rMziPsVomWeDJST0-1739080671-1.2.1.1-lVNOhUv4yqX6Lx51iAk9wAZAqp3YNWanIDV6.ZdIV7MEQmelnCV75H6_ZOWZZrZzQHSQmAjTaixiKQn9_jhKkJ0qA1.N8n_wum7u7qI.Il_QAPsZheOBNlpKNQPvEdZ17V5R4njU_V54L.ddZD9I35zm8h.uZVQNQf2NEsJ4QaKyK.dGTrqGGV8qdBzFu9AKSabgsLxrnGUraEvCU6kwIToufFZSG5wawFXmJ.mEvAYj1b21rcTb8Z1.ryEpAddj_eCw0v2xP.6IawuUDeLUwPSvTi8vO4p90EsrHvErz4Shwnjw7SEpwRd0nE5N9GfT2mnOF9h.eMrOOcDiVU7a.SSfj7.Xy0CzGhd9onnWo_USUmxGFgNKxSNJSLXTUsJ1VVsDDEve5c4m08WtNB_t33vltTCZvKWrwO9ENYujykV0pYBZo7VpjRLqZNG.njBYf3nws1yPnjtAMR3ztZRK_QxTNKMEf3UUt4gzM3KhjOeMmAHCrEc9350YR8NjZaBfaK871kgt_ywrLaFSXaFZMlikvPvIPHjmrMEVeyhoeSBYROlUkPUHot5BGBJnj5DBBNJUEKUvpMIA7jKPshAfH8Tsy0q90dZEeavaJi_BzKo3OCX.NAJkx2hRgRLdX9qD8hauKYQgjFlge7oRLmL9v9TdRCzzM7JQuuexQZ6G4iaNsjojjEsvP51qGLp6EfC1WItTyMoPwVt7wPx.DWfma1_nd6kKUoVbMh648JfEdxp_z1rpzIZX425Ad7gs5enp8HpvHIlDjAhLeKJ13p2LzDOHlPT01GF_35_V_0CuzXgwtA93t8eOvfxWTUz3m0FrmaMC8ZXi34fFzCG2W0gv1GaUFg7mTtn6DfDCJVaLFUC8DfJ0miPYoDWWQMrsLME5LKlEG_7O3VRgy8n_UUZYFbjrAR5rBgILS.11lPMOuUHC47hGV_8C3DzdU8As9coa0WYko0tVAsMee73_LYr1s80BpArVAgv5mBg7KlIVOEEd.qBD7ru7RdQbp25.JgtKC6FSCQkA6mk23PS4s59O2LevIaMY6uqgZ6JsqORautkNK.i90wchsvbZnh0hlLDuvNjJm2HIryaFZWu3SYE2IUN4V4i5IcFzyYubVBPop8fmrNO8Foqp9WBdott.glf2Ob3x6E5JIyPSl66.BGqIqFVrtptGmC.7tiozvUUeCOaqL8yjSn3_y_P6aDJBMbxPKBSAR1BzrqR3CRtxFJTkrU2PxC2HVK9ey_tPZH6GwiZYt5jUjtvE1l0_4GsG2q2jJHJC9KxFCD9O4fLD2aeruw8hxoqaM13egTtDMT07TbYb3e4fZW7aNJuTGtpafOowFRrt1fkBTOUwGuF4JUbTeM07.xTZdoms.SgnqE3RHQ7mMNIJ3jDtXOxatoRLcNjqFOPrT_NC57qn8gorhOo0.wKzFu3YKzCS1m2jLGz6tSPmv5.ZVFtAUh3BrsXkZwfdk3.5DzL7kj7_I2otj9TFMzpoMIEEfNPARGYw7jsykwWMbZqV4wvr9x7Sb9IQ5wkkeRJXRRXOFFZDnJJ5lNZjnpxz7_CXN4SDs0XNxTS9eD2w5mVHfz8NgqYUWrKdoqteFoPVjZb_t116Pe3KUJa7eO5N7o8T9Z_77FMLahFM3hoT9nJDTR5Bg4d6c7ZZNRopftGfB5d6J0ypQWun3LlqZP7K.uJFd5xsFRazGo1ZGTw5hjikVoZxe0ZbTg1gwqBIkHaElD0WLBJcxIGlgLtjtaWdyAnqpimaMjqRrm8WeuWvEePicWws9ZToNU3IatItxP0rUXKYxmXc7YIc53I8i0mRJvF8N4rnSp2IurV0YHwYcg8MHGK0HBExRZ25UX9caX9.kes0EAKT4cqx9f4Ohip5phwufOYUTGKbN77tuQ6G2k6UZo1h0lrDmeICy3fl5txsfzC86dg0CR7xUFeadbgoJuHu8ufnlMzHCayjUJY69jUp1EutUiG2SV.lGxwYqivIzlZO1uRjOi.w_X6f1crVnarQbo0t7B9DzP5ebuz5HEqObmBhoCkVRIaRXcsLNR7ZfhxhanDkpdWq2nHwn8XKIHDYCDzdwjIQxx5RJ0rjx5W0Fa.WHlDA4pM69T.86ENEAj9Gjv5tK.msk8fE9SxZympoO5xSPpAyZe2UjvG45cAzSO.ZW8ShlR_Up72Kdgb5iaNLy1PiqNV2M1WOhlz_eRj9ihIfdNFsZ8hgk8sG4TWyA0wSR0wWeV0hvKqM",mdrd: "JeMt1D2TKHF.dKwSkandsEsLhFdIKuBsAiKWgERgrXg-1739080671-1.2.1.1-Bh3afSSlXRghlaUVnOOCC8.qq9bbPmxpu_1BjBbHC5G3C.ncH7fnAkv0ZqkIktvmtpM4t6JzqRWLko_K7f15amgL4ppfI1vNMhpbY2kVDytXn9OrDg9l3dkpTAi18mMQMjo5EyzN88wnRWoXeLyoIOoCNgFJwZM6.YkNLqPgQ0lCuXJPuNpQdiBxhAXFwto0tCqOXXj8GKDr.dQHsW4n_Xbsx14dc6RfxtNl_fI5T00PNh0sAQy.yTBm9UYo2AAhdxI4THYYbconjHp0Dygi6QiJRvHKq.RFuLG5Rk1rayHKqD4_oW9ZTmGr27BQDkEPZVeixyy07a9gY7r1OsXyUKWWfb1uX5bsRCsDvkhxZXUbjyc3NqS3Z4Z6j7yex9GOnsGYDgcuyEFF0fE4etrK65cFPM9HyLLLTnaWTQapPQwR0wVUj8OPqWEAyUbT2tV36MTLa4l84KIs9kIQA6rhQCxQTOTSUsuU3ljtAUy6j6.cKztn5Si3SlKtEbcMXnWhkedF7Y9vjF61FRnXLH5HGgrkdNcOV672vSJUXLeRUl_njy147eLNsza6hvt.2odfbikAOGuIJzeyR2uPFM0jOoq_sZoSnBv9SwEj6iBtMlaTRyandkkeEgYXBT4SsaSM6C9acLDvQlZd0OseIPskvACdHR5NdgquuoNU3viNcpjMDSJpAIIudPN_2DeMZDJbhGFQ_Oa.rpACgKXHYUmV_iUljfdX3g5jkOIQlrFJ0OqjBoif261Db8YGqqpjGGtgHim2Cy57FxfimThFPSofXXkYUut4Rau7ZBgnDmTLJK285rBd4NxLK4KGG.rFR4y1T8qeKS5MENCkLeCnqT140RKhyVrsT9Dqub4Kbp7ZqpEhsfrjat2qgpEz_UuqOwimui.VDU8T1cS8q7MS9BVQ9schQf6x1WLDisZvQVnBwu3pvjdCw6W637GrbjxglJGMlfX5cdGbeDgXRYxEIB4stCgqcPSx_rYocQcxxipsL9kaWk8qBrhj7KJQdyWleL8KpE2b7PEOjvDgtCqEdmO4xXGk8OOO8cVxGRAt2VxOJqMB507bljch_tBkZBnICcjq5vV4XRbyQakS8mMVWom7md1D7CX5cj0GqExyrTuOuZhZKJ7yaoNo6GcgMiMOvJk4ntv5ZX7UuGx6YmJsgDG_0R2_CdzmlCNZ2IONhHyTMsvXV6Wt10Qx8EQdflqx17v29augyVTwYhvkFSNdcRSolqs3vZU.jzFiEsq1FlD.8.uKBTeRt6HA.TZ2I2vgMS_FGBSO9yKiCqmHpvuSD3Rwe0DfipWiQ3OGsLwuP7NczoWCKWXnLglCUXIEZLRO.i4tHz7xal7D83Zr0A48sHfaycneiW9EFDI1IMqa5.4ttfKHel3ztJ3wnnKhXrn0fXEu.hqRqY17B.gdaxjcbfqUYxNcuP8wavqJPqCfL1HCFNWC3oAV2gQ_lhphkDhXgBKGakkjpFbBJkYzQVW4cpHiEwUJ5O0B538sbHOAvo4N6i1dtNTzvFMQGUt1N1br5SamkQeVMM8dDWboTGyetd4KR4DpuZC_1GAoPch5SudNSAOU2Aimjo_G.2rCPuFZ4s.98XLPlqsV_Pmq1X5Iz1rdIHYe1OL8MRuloZXNB5NYm9bGtu6Xb8OlU20Ynm4DmqtW2k7jtP95cLSR6Ai6ME.vOqFPKMjrsRgG45pLKo_u73xUDrBQNgGoEoG5_hN9xC6VuQG5yHCQ4e2q6Q9kPgPTpV0CzS9qg_6rP90qElitKNjnvyv6gugphP8cae0x8FO9i7_xEoWK6iMQv5oVB1seW7pElyIfYqOOiTsHnct7RfI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f19fd32e693af4';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\/3274659810?__cf_chl_rt_tk=tbdmcrfLSSx3nFfAfNF5ZDuL_QhRuTN5IP99H_G.fo8-1739080671-1.0.1.1-IGkShylOqS6ZkpjtOKE_hVMs1TAV3j2NvaJru7.JdFA" + 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