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-002769093280.mit-edu.top/post/4706829513

  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-002769093280.mit-edu.top",cType: 'managed',cRay: '9110c685caa03afa',cH: 'q.hy2ymBI5SDNloExQ7u.oxBVi77ltPg42YwyhiFK2o-1739407314-1.2.1.1-vRTMTWHVUpGq0nhufYTtHCAvlxELzNdx.DhT09kfvJZKhN1M17xtXD1JQSHpXIL0',cUPMDTk: "\/post\/4706829513?__cf_chl_tk=XieRE_ROsk1.w5n8_0_DB8rvEyM2M8bJXC8zPMH137A-1739407314-1.0.1.1-xZLnWQGckfOaj49qTOluKWHxpY8DAf.j8yS6nhK0.Cg",cFPWv: 'b',cITimeS: '1739407314',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4706829513?__cf_chl_f_tk=XieRE_ROsk1.w5n8_0_DB8rvEyM2M8bJXC8zPMH137A-1739407314-1.0.1.1-xZLnWQGckfOaj49qTOluKWHxpY8DAf.j8yS6nhK0.Cg",md: "CLMAzt3hBKcCqFghwKKLFF2yq8UcYgt991S87uwytXE-1739407314-1.2.1.1-kVFA_hPBjbj7dfZHYVfrOUbvWm4VaHNT1wGO3CGfyjWgtts_JkYwdfJFh2Rn6l5ZBuy4TSQq41wLeJCxbTR8jWMpAL63IRovNBVFaXoc2P3gbFEuotF4crUCU4nn5ALXHzZs9KVxjkHVkEG5tNrIus8FiIpOa5T88CZyy815K.vq7C8EoZM1GGclAqTz8wP3d_1Egvj2ni395qAhu7urGAT96KLLqAEssVXnMbRZghKd9yCRwQhnaxTkpLIT254HSZMQ4.NrnZzuleEMagHib3mD9v.jEHIK5b_EyFWi0RmFlVxGB0D6ApOJHJ3RK9gQN74AWyDHYH2uWFM9m1ZrDpLg1ikkDble4PPRjAIBL_l74h2S_cQDxNfq29J4PJUPHTdy1hxjpN.znwkdctwO4vhur0EOdZTGCTnjyu_DmpSC.ca.c3cPhEOdCbXuSGKPqIkOQ2H82DNUE6IssIw1XwW9JDS0CJmW73fKQpZYaOw0jek3aBJo0OOnU4AuKF6GRmlDOq2mAOW6FdLtpVZAQRGcdk2lbQATKliqfNKqYpwxIMhWJMYocrOYkXwVpYwlSG2jVM.HQ1yRYXWGqeiv2eallgLNi0p6.XmzUxQGfpQAolZqazC9cCMJdfQjRzHDvRWbfClhEa0LeFoPEbW5RC5X3F_zeGEyT8Di4ShrGnI_ZZtxj9AH5Y.SkRylYZqn640ZG4_MJcpBWWbQOGvqClrQLFLCC5v.Sg16EZ8GAo_7a54uCh6BEhFCywjHhb0N4raS47OZhIoJme7kbbETXxuFr6W9aAQAPPlA4hyhrKJ4GURi0Ix616K7MzIkTEq6WsBaeg.fYw5tCdjFDhOWfxkwFPFnxg7TdVNUptysZ6XGQ0avMYW.hKwPLhRvUrneO3tJ1I4z.S0Hc_a9XXsSMfntrLURQy1_kgP27fIeiXo2UEu1Wkvk5INvwAu81oqN3Bdfp6D7Ivaic7QJFRT.neB9VXj.ccWpa_Ci5_vsh3NW5XCsHf9uOMnG5BP1yhaKePLWUmZb2HUpA5IQDvU.epjrYw93B75wpQ9NX8QuCzf.4dkHLPkuk9b5HOh2blEiLYdHbmuxk8oKHnEfnYVv.QI5BjcU4ELFPSTITYo8DWiKjeCgSzdOsoV4OkRR6YEPNmIQxsexmZwAUTwXcoUoPA1ehM5xgmdTz5u3CV4sD717Y_GUqMj2tuCmNPQtdg3z_KpXYC2Hr7zzB.85okUpqtkql3rm2aN9Fgtz4WuGsJJ10nEdcuOeXHTaUH5ESiGxKfLxmrST5IXC9jtDguoVdjgwLc9fGkgrZt.GNc0YMCjpAe2mRMGBYyXT1GCZNipG1ukJ1iC0aYpKvUUIL5et0Gv42keaCwnYYmzwxZpb22yzPaiglAgHYgDxBkg7z5fqVgiUy6Ha7zW89MOwYI0YmHD8cLtBxZOv5RYAN_qIPv8jXI2xaozrYePHaFKuEtVoSHUJAbbPGR1TvV27ffMkGW814BC_h7Ho2i4PoMMLl0255nQuUZrQfLDon_fnB72bk3Cxn0QnjN4hWTBwNhiYTDFw_QnL_MQfugEhRIgXF6Lf8NLf8HDEo9O74DveMFYv92SCUvzxzY4DfVg1h0dBQORK1yqBzpHWQOk2nIvtng1A83he2pNaRyUulizRJU8U6vRWyIORXRG4sd5p19XL4VqHDGySRQBxIImVkWHo7AkAmjgR6qINVkmBqqN1EGOu3a9N.gOAeyUoETIeJlcMHv3SHy4_vL5NvJjmX3M07DHklAiMADTGi0OzEgRzxzt3bAMgUyXvxkivJIGLpQR3W7ct7nE6HNWyR9DG3iRepRNaPdTsmqgOW3cfuNVhleYDFR6oikn7vZq7qwz0EsJ.7pY1GRCJYJ0Rb1kzKEauEN9Dy3W3uKiAn8Zna_cxSibS_S6.ftr4kHNOPyl_VtO3LzrjXqfChqRERPHqWDhtDLEokAhsdSa2wOKSIRJrmWqeyeZ8b4fhUkHjSjFy8yEsIYbgWlpjNEXmNSQL9nPdmu4EHD1xmwXT40an_INKhSkBAAxasWsf5IQdmqlFJUBAoFJxNU_KJATBFa9G34Oe9.hm.Mnwh9oHvnNN_HOm68dRztFO.sofT77hmtH92iNbBKHVFO5ltvcV7A4XFg1E5sdEZ7qpn6f18hWgkXAlrihEvu5sC7jOG_l6tqT3WiThYeijhCSpCwEBDLcWcyWGumffPxxbdOgMzGB3oWkprWnJ",mdrd: "aEoAySm1D6yYtKsK.PhUN7tl0RjAPEqifFnvBweLYlk-1739407314-1.2.1.1-UWJbDLaLWVS8sTw3G..pi7UhIxMIh_USa4z5.w4h5MyPMIAv97inpzXdFZZhronlHQIVA5ZICAknKIFVvVNbfw0mW278y1eUohkb9os1TMxM75MKQ1AF3SakV_1RuluiYgUdK3eyrS9htycA8cfIx1aL3OpESaIQdbZa7Ef0thjd.TxHk36wwvMHd4OS0EJNd_h7f7wc.bwabGMgPy4vR7ZUa7HWDizygwTSLJSwA5BT8pxyzSXMIGR_iU8u.pZb7w.an3hnVhF0Z6CL4.Fr8NkgcBYL.dzUAyAqTT1_SUvt5Hv_sbUuwvasHT12_L7jf1zCJsbrF7Xe.hn02S1IocwwDekMi5I8x5vKxBHPmNh7qfYdAiGwSdIBFY70zoVtwovSKXskBOzlO0KKjSyCY0iVbjx7vG.sq7enwdVDk52_S74F64Fc4tM9sG7BhvpODOZzr9jIx_L8jVFrSc9KEHwr2O677DpXE5efQ61r.69LZuwAQnY1MZQJ9hoU9ySewVwJFEN1ootSPaaPg.R67CouURyxsbqpy_SVs1HcsWSKBK1g1Fr_G5hAR.t3YBpYSL_4teU.QZCfgjIYugJurdT74TFstnG_zvH0h9EKugSzxXLcc7Rc.cQ7H9Qznwuz6eq4thKg57tpAT2uwkaFAz9omaXwQu0XpDrP9FHr6.PTnWOImKe4splahZ6Nwnd7ZkvTRO._7.76JcWZ2Y3ywB5lL9heqWADSGXoHn4Ul5iEZm87Umw3fIB3_7e3_s5bUkgyVIOBgsgthH4OmNUX8MqN2O8cI1KRsJPTEvlXRIkbQKdaBAuB2OkihL1g8.Jzvf0mlYkQEd7jHH6tNPMn5tS7YilfLir8swia4bmGqRRcqgCd0EfHkY92KQ1m_HaFBktkquI_kaS36ezrPjbFLFlVQkPWtKq3KZh0L1N7oYFl9.SezhibfzUZtGmJAzR36XYrnUj.zCqMdplpISIXGtqv26KIbuyxWCOUmzbXWIgjGGhgJJDu5dxKG55XzqAVzHagOnnzd7QT_vb3qlZTjTyyPPQ62.dblueieatGC_vIvDvYjj_zocJ7AXpxfwHJlo4FXr70y.icpz3R7g4J1nQTy8mrlq3JFnkEiGa38ZRWTidVRzzAyunPdEqJ9yxw.SdJKdc42sgFJJCI_O30BHFeF80HhNdnOh_Z1W2JreCdPuNm5Mas2M7gkhO2JEh6y3K.AS_Z2RV_NZAx6Pnrd4vZMZ27Ewh4pC1aeL_8oY7ivOFH7Gof0facSYacaDZ15xL65ElaxE7yOQOOFWTIT55MpIICHsk_49ykwwLXguTu7BhlvBfmJyklCertm5gQyA.EuEDLrKvrRBfhL7Xm4la0KbQ644zHNPzRVoRoaVO6P2PWyR_2dxR1PBxyAPBsLO2F_bgZRa7T6N87veYMjqG46_.Yf3ilTbU6yXTVqkPcY.y4_8VlpauzB5Oe4XSckuS9InzF0YGhoVOXFr3O8upFT_4yRfcBY.uXsZTaxUQSdloj8WGP.c6vYY0qDSEzDxFaM_ivGqsu0rO7JIKf8L9m1Uvh8wYTiWar15HKYizI.9_2aG8QBrx_UI6pIFM9_ZgyzSHN.uxgBZWLay9JIDAYi7lcDrIzXAmbkSpV7zW_TWmg0yZYaqCwVe8p7RSIbUsQ4uKKs_p4GSXpcXY8E6GIRqEnHAmMvVSiVyZacL4EOPnABPtV.bQ505vY1TbdO0bh1J3q.EtVFaBQkxIPiVSDDj24WYO_wMgheT5dLzIEiT9qk3yNO7ZGSfIFmnihFgq0h9emB3u5SDqzlNOZKQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c685caa03afa';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\/4706829513?__cf_chl_rt_tk=XieRE_ROsk1.w5n8_0_DB8rvEyM2M8bJXC8zPMH137A-1739407314-1.0.1.1-xZLnWQGckfOaj49qTOluKWHxpY8DAf.j8yS6nhK0.Cg" + 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