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-000020723428.mit-edu.top/post/5841973620

  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-000020723428.mit-edu.top",cType: 'managed',cRay: '90f238a74fc581c9',cH: '.gTeI3SovxlxSnxkEDa52XT1Unzfu8xaDEgyMWubzGQ-1739086931-1.2.1.1-u0CC2xU2O2S4iPD49B6IU7OOozZRsZ2tfS1XinZW7emSmhUKxPTF5548gu2L5C10',cUPMDTk: "\/post\/5841973620?__cf_chl_tk=vQbPJXH0dOOWQf.OHVX8zs0e0VgngqyikYlUsRfX0dg-1739086931-1.0.1.1-ZhAbTq52jELFxfmy2s9PaDSKLPLWnSUQ3ZBESy7_G0U",cFPWv: 'g',cITimeS: '1739086931',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5841973620?__cf_chl_f_tk=vQbPJXH0dOOWQf.OHVX8zs0e0VgngqyikYlUsRfX0dg-1739086931-1.0.1.1-ZhAbTq52jELFxfmy2s9PaDSKLPLWnSUQ3ZBESy7_G0U",md: "_r4qAtyTCr5iv9d8ixAFdrqqx6s8uEP4ANYLyAOv1O0-1739086931-1.2.1.1-g4sXPcnitf59MvJj_g5VXA5XZyCpZ0pQtptwqGZEG2eZChlG7iBgkIastEmlnE.GqNewb60LL4X5cLTOreunV480PQh3Qn_f_SraidGNGMzBtRbHGrrcM2oihPygLQ8cwdpV2UHjygzpW.w71w2jVFE_VSRcEYPu1d6I7dgun0QLLAdngQQf.gRsZYuz.Ta_nmxAWF8mh.5_09GhXalErBDGU2XIuhaMv_U_JfDwehFqmCzzUBGU.PIcLezxEXc6j6I151hr4U6lG6u8F.v84J0jAZPLIG4v26ESgAdS657cqjWUP7POW5srJwZ3SxDAyvQ6vt_z3IoUlRW.gaTYiZExzrW3bEex01W9.6DmHXDJpAyCmM7xEcMihKA0lI9gdqtrPmhaSuZNx_3Vmfr849KYB3bk5OHY5E_N0wM18ujWlMNOpIvFLyqwibH8N0F5XArZooXveQPWUQMuMgFEEbjlvuY6knJQlTWrYwnWub33myJOwE4X1Jdmb3aX3srB6eKaZGNP93K6Iv2BgfEB9FBJZmCieLyC3uHk9R9vT7omIW6TsNO7Dpfde1__5XWWYHRsyDdvcOtgIkgvfRCiwu_HjbnDCf7.Eiz33PIiJi7f6z10o30Yu2wfO6ZFT21E8sagViyhY_P86g_c3cQa0QLXb8ynk1PqbBjS4s2YFf.4udyMpmU9tMesIUSnL0_ygIVDqQPDzhXdjJmYza2J5buzx9Pypu5lB5nfc2WMbz2j6.pLrVeV7JGGM5fQk6JoY5RarI9jJvp4ZREi3MxeQA9T6OnIBfGPth3Y5JbN.q.rA_6iZ4tXXvgssSVuqMoPRquY3.ZiPNml53gVyu3LwDp6KXzn4.9QLNQhaXHCibgx3BCjiPPHyJMl9kuViiUFd_fTo2NEwmfKyu29C.wXqgdOwyLdJR.zwN.nqZfoZRVmhgaVxZmISLWK6SlvntEA9MZEYivpKJ8bF.fmXUqA.P0HxHblPlRxNInJ2a9EmFXz7i3D3QgwTpIeyXMSIQ69d12Ikak7TbR8zTWM8yKyD6_P4E3T3RNbhol_X_DpyLQRLsWG_LOUEgMCFXiA7SjpRFY7IlCC3XcndyF8QHcKKIczKCzIAMXpJxqdaKYw2XoiWYsVDhRWy5c0omw0gTlt.EXFeySrU04a1.XbjSRFsbrKUp5TrTju6BvbJ_vAvLpYuRWGhkx9.4ejMuCCB7ayMOXq8ZsQ7n_tREPQXdCEXiGHaCkFLHZBsPM2iBLL7TyCpC6Qcrfl8z280y.FU3oD6o09I7deNlkFsewV_wGvWQJI_pPcZaSbMXq1Zbktn.MwJ4CYjDh.HD14IYyvlVz5uM3ZyKzLXf6tqieqZ3BQAKfj_o3JMbp3oJ1LqXmv1UbKzamY5U1PzRBmqpv._n280Js5jHqSgmVsnTkDEuz_qp1q8C2HkuX7Uklbdb3OhA.U8soR.95YAh7I9JwsiUo7Uyhm6Aa_Lr48_1ZuQ.cSLWHp5FABAdpjgr89Uu0xXdwVIGeApC91QACQ83ps69KY6G8pFxR1ZG65ev88zcrm5cuKIlv73orzW4PxVinxgdH_IH3IuzqP92sxChgksxskqiyRvCYPH1d9muLr2Jsppe1tVWHv5i4ifbo1dJGF3Sq4ukUt27Fu6P9dlxvYojmDPYvcVJugAqVEgenOCknT5d8hBm2LT7BkOi8qUY1H_tVnt57897JHYp3zVrxBETbqoUiD7UuT4KqLcz3VqWRvlE8lb8n8eAztdxFKY5KRQvKTvqUJhdF4keCZIt36FHpp0bBkk0IHiDifk089h9mNxUjQzyVUa9JM85LhwMAPVcLKI1dP_jY2IEZYvMId7ipooYPCiuQ88GNEVPwLboknCKE0utRQ6i7XGulv2e.qrPOUN.Snfy0VcvBUuZetEfu5eCpy71vbNRttunIWtZcrFJrjQFsNWnbO81mvIfoh3WXE1voPBsc.CxUjUOQ7JGsNEsRXji7lWNmMS6tBGOR2QtgcF12CVs78wtshKX3JGzxwQXvWcuvURJoxWlSq094n5A1cteyZr_DIDxh9LzEdi7Trz1LimQFI74doETIWq9IkHuvcQQKYwKKrELszmhZ6LoPkqOvcPZ.SP8VNtPnXFIG9YiuPVCQZvWeFp3mbfHCSRgiOinBOkw0wIpT1h2o0x6CeiD2AdUYXsIffg_4Zj8SuiCYIrk93WAX30OYp21joYX7_Otc6kPSJOqcnDAXz",mdrd: "g.f79jHF9V2LrUnkTWIijLP6ImJYhdvFSSZEEgXEC_A-1739086931-1.2.1.1-A8mrOxa2ROW9OCitIfiAvI8s92rzTuuY68n5oTqohGj68718MhknH.nzsHBsVOgHGgihwG_zWvWl5j6MFi5Yt6HyZumeh6gudszrsoq_tAgwfW2YeeKnwW_0p9Ei9aBUx2pkTsv1pNZjc5lCxoa0d67A6TWFq9IhtBm_3ooxD0ZSorGQ4TBJq9OKBcEeJNyezbT2XfPYyQb3xXXe9drCpjLvvYfl6yZL14wR3zvvG677OmCULUydLA_6nwW__9m9goiumCkvpOMqMm3KxaOa4n9r8kf4KZsV.PIz8nkID15y.0QzxEMi635Kl5NQhN6bujjJiqb8nGqPLx6c4evqZ5xAznY6JogKBX8nptRJbkNg5FonF0lbHTkl.NSdXy14XjKJV7K6HZED3zVk8YWlnI6Zp1vtMSo_3Cb1a4pSKbrRl_XE6.0kVivQDMv2DgwbpTZVmFpENYE7C0HC01xAB1N9qFn7jhsYP7dkdABCaUG4LpotTFo6ca9dKMHQ5MytVS3WttIw_upO6WYznmQ5ANuCwb7pAVNLwA5cq6iUtXYfkTjwqHCCSGFz7O3qL8dT0N0PbVUkN93aHdlZZJLoExxgJP1uHaPyCzmh0n2I3IgkHSaay_N4OLf4Dm2loxEaionuu0DtojsvAwnsHqzUacf0YpQDI1xGtBzk4ilfyptrXetpXBPUlqb4C3LPeJS8fddZb93yO9eeujv6PiAWy5X3Actbc8xLqfSn0CB7tvfs2pVLsxBoOe3EkoWHnV5yItr3zXRks1CgnttdaEbw2GUPbfow_J.1_p9PWgECMdq7iJnFdK7NMBsJjjnzCNJnXjUzwvhZlI24J1C3hZrDODyv_zGhntx2k94D3Rpi5wVxqsR_71ATWJU6nx6CK3MxTMGKngfc3IimGaPgszQetC3Ztuj.wv4h8JETRXkXGgEcuRAoIc9BKP_RM0lhj_i..ZDDATdCVi6._rT52Si0JRdOJCgtcIZ_1csEnHGhSxjWRTZD2MnnC.A6R9PaJlx8DwfoePECbSANQcz.teywJiWgb7XnAKhzprLuasJjF_0b4YVdDRImBMO7lJcslfQ5WiFZ1Mn2mY4SLklaLsbs5vgp7Z5zXko1frAu0ZHh0VoMkIMkwCD09ZGcytO8.xTuSItSPBpQ7MPIDDcefnT3UZf9ZJ4.Y1YJlbHVXXsQ6SE7pthBLi0zkbqYiemVT0c8b7sH4Cfp929W7612iKT_xq2fxmSsHlyh4TT8Se3PZJIWNUjYvE0LgnXZ3MZyBO22Rj2ges.28dF0SUm0ex4ZzlPglURjVY8ViQPcyS4j4bI6173OQ_hoM1dIjeQkGdmy9wDrpiWmq4Ils0LclLhEf8Zv4LKzE8z4Z1qsno.NHZpzmRQbCYhaqQIURlfgsxQov84jvNNtA.Nj1njjhCs3iQZ5l2E8UWUvX0KCKOSisOyQobgSmvZaaJORBNxnKIHpUXhiDo8CLQ.j32WQhplJBF3iBT.vIVR3KhoN0GDYWTmNhimUWRD1TbpTvZ4Wicd7nFeFOHFok0u7dvwNa8_YWu3yw233EKHmeFvuXyZvmSyczgRYL7i1eMc2F_SOXEi6iXGw1ZJ.UDd6hNuxQmzGEMNpKVeqUuKxu2y7cwn5SLHqGVRf6JfeIyBfrzmS6VnBB8COxLAV63dDp0Sc.7Relv5_cWWpnM4gTArWH6i5mEhTxfZ9alw09zaSUvCOls00ipf3TO0DeOf3ZVeXEIDVScsejpC8ZZMsrKuusEcI_YaQhxD5OL4i5OHtyY7Yba6cyKC3P18r_vD_5dEIgIJPhw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f238a74fc581c9';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\/5841973620?__cf_chl_rt_tk=vQbPJXH0dOOWQf.OHVX8zs0e0VgngqyikYlUsRfX0dg-1739086931-1.0.1.1-ZhAbTq52jELFxfmy2s9PaDSKLPLWnSUQ3ZBESy7_G0U" + 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