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-331604758428.mit-edu.top/post/1259683704

  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-331604758428.mit-edu.top",cType: 'managed',cRay: '90f7cfaeff352087',cH: 'opFkbwUoV5AeekLI9xd.dEdH2Ah7jMhq2Q0xff.Ft_U-1739145546-1.2.1.1-2.GPFgmqZKlwd5hYmlVLXInvBDNNlneTNXKYD5_0HTRhpRWcKLtCFDZUd1nV95.1',cUPMDTk: "\/post\/1259683704?__cf_chl_tk=AtKeOeaiy_H.yFPQ1unNh90wQhLkoOw6HWMQnPJCk9c-1739145546-1.0.1.1-xhc0sp0ABLL5i76z9bkqJaRufGDPvWnvxEDpevpBuoM",cFPWv: 'g',cITimeS: '1739145546',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1259683704?__cf_chl_f_tk=AtKeOeaiy_H.yFPQ1unNh90wQhLkoOw6HWMQnPJCk9c-1739145546-1.0.1.1-xhc0sp0ABLL5i76z9bkqJaRufGDPvWnvxEDpevpBuoM",md: "C.lyPCnjgX11ZMMvcihec47sE.kD7SWOT6uBRRGKWtA-1739145546-1.2.1.1-j_mT3XUZSxXaA_sYuv9IoE5u9r8CrFK0zcF1abUw7kcduHccbbj8sBWqRm_qXF1hCMGTnKTkyhQDB_rtw3k8nFwCWMbknkZVt14_cZLi6QjYYW2cQwgasZXYVAR7AMXx6tY0SoFeEQ.aNreUdqkJ92u5.mPtkBzNNBKjvoH1BG3mxvXvKzJmbMViRlQmaEcrXNxSKPPDw0UA6zoEi_vFa_nJ5we5vihyDLyvLPZNgJIqvVjeYqA0c4malSYJ.xTk_68_odlP.r1l37dXucYU.IoySQmvt73W5IMbiu8yIFW_6mX7z8nLpQlZYmicaF8UcxMHhvC3WodLnKTMRqPzI34asYwnvGO7Aeq4s59NHk96BGHuhHjA9dfi05YW.omfPUP4G0bYTtdk_obhOG2t2OIhNk4LhdTDLFJTBBFssLFaewDk2l7DFISW4zASynuCfhpanJBaps6n4lJI1UTfCGm6GF07vAWCi6yyHRRL3OhIsJFbX39Qydc4jHni5NL0F.lqRsntgMSntezaWEDxWn21Ys.tBYbSI6ghCezcjnJOWzMw9IffIX67w1bvbOI9NunmokhBkF1ECaNr1Cl7EyL6rlzYVt9KNdXCQFg.bAJGbtWnw0MMjMQzpWA3e.sHsW1unwNJGEGIpNhDaz13yIq9NPTSZzk6AA3NBuUThlAV.17y6.ltWqQdVOTn4Oy.jdssAeMB14dj.PptHn8CY_27L7HPYrp3ieJCy48ndfzQI403vap_t_oVAXiXkALSAiBEl7LozvWlIBBM_cYGZ9evId9qTQhvCj56qJnRQexv85iF8DGPDfJisUrn2jMTGgXZ8xu5R7v9lY9XvG04PhfBOzXKp4QNJ3kyTey693coagSGolakyYhRKrkCCbsgB3ISCGVWV_QVgP5C5AJCn9AYVSWra5yU5hq1ze2.v4kXvOHNk75g8wFtYDTeZ_Z7x4RNaVhVCyRKh6b_IcZjsAMXxovzOJAQsNGVcbliYl8w8v7eJKdRwUAt8Of2BksNOAp.QkbMzf4SuM39918CX.RA2Ot5ezvYf0nz4vctuHLZFU5_lDJ9kWFbPqbTkEjlVaUBe_5AoEJdu13BIwsV5hJNPEIcForhXNJBWm7jTnAlRdAo3zQgvituLyw.JS.dlvnd_k3YWa8l9JlwsNOzCU8HqvuDU5VrDlk37oSK27VaLksgob9n.xWs3yI4Os5pFm86z2l5B_U7zggLqhnjalpXGXCsYpptd5UU3e9D9xXA0jgWT3Tp6AIPD.ZzO28CJSDmm0Hp8qfLtiwFaF0LBQ18CaJfEEUf0jlTg5d.6UbEFIF7hyuumoVQtHEYXZFxPbAoio2PUN4uipUM88skIDjH1LuON12j0pv4KeQpP0MngeKmb4R7Yb0E_mEwMyB4BwcX8FD6eIPBzzCnwuGEyH48LWpLqSTKXDwASdH5Wy8.r_Dlo7Gv5Gv2Rf0lqP_tMPT2tsSeosL4NmNgoQbFX3Jq_VAAGz0RW8IuA0TsAHY0wmw5sTAkolQP5RkSP8O3l6ePoJZh2IFMLRPuiV9HlAgacsTxVlzjM_CRxv1iFm_ImbnL7e55EfjYOdoRu66V2KYq9wL6c1WHzPFJewV9YgFizMzSQM3R8F6pJ7RVZ79jSIBcGUODCqU884O_MV39Z.VHBdPOJc.7dMEHLKrvMme55rswCInshSb5qlYeK9paHkRGyIT7l5rJjT1BTYECO.EhSCRsc3Qgq2XpCBsFJX1GlrJGqXgNQa71fPsUUfU8_KMRINTyc4vmpmW6VBxyvzvwIqc11fHCzX60VQ31wJmxis3y1mQvlrnoR5kww2uiufxWUrj6PboVZr91OsBavFrbtsSyaasQTVJb67mOX72RyBnAxzUXZM2e9bNbcd0jejb3AXmSJgMF7YLBdAd.U72Mxe2122KM.JoPPyjKL1EW_r96Nr1NBxqe1Xo85CBZjmjIjV4SpDGe3VOk3.VOD1YKf_rEAQFshY0EbAxk.2_MUCW_pM4Y7Ic9wLZbIvPHxXCqFhtUnNga8J7.4DgeAhRWyPtUyKgI1euWCwyb.7MXIoTKTEAYaG0JLdsGjRpFrqJa3hGH7_PE78MgD0MpjhMKVnOOLn5XJw2K8C4pbAvTD9BztUovUnLt_DMe84lGgfgmf0G45ukArKtUKEhLQAxNyeSPIeInUWdS3DANSJnTR0kBkr20JXbGsKVDVUO5_fiGUz8qGn_YJGUInvKf",mdrd: "GHLebIwuUKNynaTXXdtElS.HD5Y6O9lJIi5.Wnb3NDc-1739145546-1.2.1.1-FtQthMZmTxjZxoBOpG4dXaDb7pK0GRj6U4V5TBB71M8JBdi8UiPzqDuSkdTa6ByR_g4AIP7baQvb5nBpeH6Fzd0W4Ra6Dg_ZrEQZc43mTF7YV_.5YYZgCInPnS_tQJDuDIz6quK5m8iWUCiEJMLc.6MOAqj2yS1kPZVQNowbR6a41veGSVNXgx_6nzAx2oL8zYkRGcmn6FMNjU2lgOfYaIdykTOQHOLjvWgTW1uf7MoAh3RiDWWrTEt50QFPDs0zKRFyBwT43t.CWVfVHIId66kiB65XS7KMOxm7Rz4u5bZzXqZXTLovVfJyRYdhjv_WEVo3.7siFR3R1znGxz4kgBRplwkSEIjajgR_YG6VFNtJevGoB3NoWZp.tQkmPsivcztij5t1FUTQBYuIpw7WtaR22NJtSWFYOeLPzIG8jbEu0cIM9U0.Ew.9C2btqWnP_OE4.BPMDsHvpv5VHXOwRPii9CXLPoUEftHW1F8JcIdJULK3.6HyTtMsF5k6_b4WCOuCgN86i5E8kWMG7oqAodAybLYyzUh2kHZoonFGMwBjvKkQ9BkWYWekf7ioLcH_tuIUinLvdxesUiErSOf1__EHzi0ydQp8JRvBdqYN3t9s_vrPR8N2KRR6K6CN4RPHs52ygZqGc5gueltesdwN6D3N7JXeVp_1VN9OVrez.e4Rq8Jj3lkfsvUp3XtVoxdIfK7yiS_X6EOsjoAjLP7l9YjNvfXeg4wt2DrSpPEraeEeRx.Ry07EV4I8SZQVOOWL3hx8qv4B2KsquyPtMVtVpujKx2.8jLJzuPcgqzQV3cFrDpVX73fQ28NQ0UzbS3wlNASaO.DRozkgHI1j2XSXc9umCsab4nhneSKsArSogNC.Nvy67DhYhiIU9w9aFQJQoHqhOD0FykiL_Zv53lvA5xr2hTYDcnqSy0gqOQezEG8GvHIm.9aPztEtBJDvtvEnE0olEa3AU6PAA3lWM8Q30mCdxn60SeKUBddyNUoI8mUoIMHjLXpJc7idVcGAheoeZi2Vv7bZ2IL4lj313aLhX6mGbobeCYaNN1kVqHdk5BYSGIbygWNIehNiYzF3xsWVBTDcF7.lIvhPK93finvyPJ2wDRjNplICeUrFJdtDWQwD5Va3Iojbb1MaOh4AmSgnT5vs09S4Y3ppixZn5GKiwnGsAXd8G5AmCppD1DMQaCxVgHA5QFe8Xc3xGgsbvmzLcyl8dptu7JBs1bF.FAsBKN14Yrtp3F9zhOKGM0SQ_JUXbpf7IpwDhfU5NlHYSOEqUkZtp6WWoMxNXhaR1gWLErcYlzdeshCAzmv1_LYAuOwB37ENOTHyfNRH7qjjhumiK8MfdvYs4Msr01Q8gDzVXMwwM0zI5ejv9HGTntPGLKtC2ATPnPut679sdUR40_XCdkGsjz7imooT4f8GhB1V.PusZ.C1wJqWvkVx.0sCxSN09EDffgQMfGzA19woEd_ObVFerw4s.wuGRAOTWnzwpOxNhDHLcsRhoF5_LCqUlNg4PhrkrMHQAMvwZmShhb4W7Dkks9oqNo6Ui2Zpm2saQnsx81ieL.xHuy.Z6FvLvvqt5ID2.wTqKq95txlLMMjGNWrV28I4NUoz4osxJM2.PRoG6EpotMcwvQ8oawiz_DCkNASOp5g.8exormEAdw0db_0xpqjDrX1KMINJiU4eVTiGMU96d3uvDnWtk.q9w6wLzlIbfjWCR5EF_qnbRY8WPkbCVANdAhDxbhjWKVuKS5rBlEPafgVtS4rQLB3Xk9K.GMEZkZZWsmhtG23he7DuIl.o8rLT2VIcW1MEO.QWpL96a8QXM5lnrPxoT3bvTqM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7cfaeff352087';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\/1259683704?__cf_chl_rt_tk=AtKeOeaiy_H.yFPQ1unNh90wQhLkoOw6HWMQnPJCk9c-1739145546-1.0.1.1-xhc0sp0ABLL5i76z9bkqJaRufGDPvWnvxEDpevpBuoM" + 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