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-407951739404.mit-edu.top/post/6238957041

  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-407951739404.mit-edu.top",cType: 'managed',cRay: '9110cf03196d0604',cH: 'Ooy.XKAFzvNCeLe_rk1FGw6zlsEpOMIRkrC.xDTn6rI-1739407662-1.2.1.1-4EXDc4PbBnoZNi0_eurLfyg_3KfLg.tX7sqxlDqU8dg0Fx0TOd8mky2r8Ly4hakF',cUPMDTk: "\/post\/6238957041?__cf_chl_tk=3vTVQARvME1lP2.krDPL3fKv4UZIWOFSeALopZ1IZYY-1739407662-1.0.1.1-89wnUKbz0LhYUZ7JOmQNvkll9fL1VojCcbeWRStJGhs",cFPWv: 'b',cITimeS: '1739407662',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6238957041?__cf_chl_f_tk=3vTVQARvME1lP2.krDPL3fKv4UZIWOFSeALopZ1IZYY-1739407662-1.0.1.1-89wnUKbz0LhYUZ7JOmQNvkll9fL1VojCcbeWRStJGhs",md: "DrV7Fy4fD0ZR6c1arfESGphFkogjL5hfhdKqWJfYp3M-1739407662-1.2.1.1-R4LBGh31EqA_4cM_MEZbJjNFnZVj4jddsR_7zqjxcWVxQVtFEpehRQqztpOYVyQ4KNqxSgp9TIHAYSZ0JMTyvd6nBcNQiOjm3ykyn1u_dmL9ss.Riz1J0QKQCBLZMV8VRTrp6npZhFnbRLLlIW.FFt5snzQU7joKln52lNp4ghfbhZAg34ma9VXmBpjDCGFcN9F8qDo2VL_yDhnuFD3NA4dsfHGs.AfXvDyNMruKzjfoi1EyckpaVJEHk2sB3f9AX0m9TQHS_El2xMWcLP7_UlUGmmDXt_qHJPo0q5Kug5WKIHGnSqjWVSetQjFO.M.dZ9ijo1W4XS7tnCmTNna6X7go6io_vzxw82LPfdq8paz.aYLzx63ZUWNL2YDjjgbzgSylvPmFRYuqQ4NtmzokPcpitwXplJhcb_4639uZJ9zsKMRvbLscP_9rX4s4cRLGP.WeYvHjBSFW0izaCU2jEwp74FPGs5U9E0eTY2aqJK1VUeGUjywyneuVvoIDWVQuOLJNGqqZMpcL.qNsGKh7jpNBx9YNWU66SElwzeDirKWYT.C6LFdjb37Z13TRKpDSwgnENoPEQqHFR84RRRp8.UO7xaiHXDh00kLku3rvb4jmuyZpogjs5s_awidbIJO.TfFxr2wysRQqWivqbb5595AFbY2yIzx8sEUSh.CjeIys8ZdpmY6fdeIRENmf.Hp7b4uKw.rtQyxHLOEQneOwByYhwSm7nNuzIz.GcHyPqMpTkw24Hw07uC68eX9FZx.C7NDesMCcBdOkBtGaLMTS4VXpwuaYnJCcoccv.TphppWPDQMIbmqfU_h1sRYOcviNy1ePtbrhpuohCwAiza77pUHi14hV3I7DDhvf_u3tJVLe2qbktzo5NQRoS5.5LoSJdTEz_PhZcrumi22m3_qEpDoO2yfMDIlqW5kaeOzr4BPY9x49jrNv0ZrZbXd7hXrDp4OG841ddIy.tGEB1.ukUq3KzSQ3N3wE_2RvoikVFubaqqeKSzmIu_2PDwdQJHUFvEQjEg8hZMKGTlV1mwlMnsooVXbm4QblEhl7N0VeztSu1c79UfGPXazj5zchv9MzNjok4rG6JMAqqRP0cTNigu2FFkoFy0SSc45.Eeo6pnT_PoTXnyTsYjSa.hkOcC8t1Q1euuHX3bfMqYhcV_k4WXkAbXZsK4.O8K9NsNZokIlmZfR44MZx_Hz4ytyyqtXTEr5_1s9pWloTx1lcEjoA3ZN.cUpI7enb1JnGTZ1cZ8sM95sVzqngMX6f8A6J7Az1drp3QQCbiXLyIF7DmrbcTD3e0s8Stp2wv6DhsyMH3014woiEuiUwyEdCNxLdBi2rcfxAr1T6AC_AQlpVxbMn76CupfDl802emribDdGcLF7JnjQd18L7KvyQrH5bhxPLKaROnF1q_fAv0cpVsFwvZ60xvOFBA9y6OnPlQZ5jtEOs5u5QvN._RLT3gvlD7r2v5H1IEMMsjuDFTnW34Iw.kawxyA884idr3c46Ed4xkiJqHjpph24bsg_3ZJtGv7lvoyjzqTk_3o0qecl5eFMTKor.LbYH1vc3GNTxENcCQ8_IMf1oHhW63ps.Zu60TkNx3Da22NAoPcvHrZrGcnDwk3gWuHvRd.5nAiaoeFOm.sqQxv.UYsskuU82Rjslzd.pWMc.L9W12G0Gx0O1UJtYzvFX8DzCY7Swb8gO5suKclD8xpaa3igoUaHaD5iklSrBgVQdsf_Gf3i6K649uzoi2H57MrdFAwKSLPhmoGEb79guh80WLtMZJwds8G6HYGQlxlf7AB3XMAzK7aO4jwmGRwyIZUJkY7i0bgtSlZ79i5QCS.gH4MFavphu5xnH2lb3k2IAXZk29NTh7zFAiJOCggWVm5yy3mjtvLaJXhku.jxak2yJVSPI_J3ve7b8oIeu_Gpz7TZLIsU_tInshs5.tm4w5Xd_lNopG3Og73ESS7.VdUom..PrTvpVYqjwcvbY5NIX1DEMueDobGwV8pmDpmipmPJkDsVTWHMzoSD5PtnqA9MRFki1maf5UAlz0vw30udg2Jsiv46Nfoka0srQ.Tc8TUVCJjtA80kFr61P8gUSHtVi45Kb3PMakwnLiEMKOz9AdZRiuEmkwyZhYRJjTDR4xsAg7aH_m4_MyBZybfeO7GjZYpwatTyzVbJv8jk.26vhDGrGKEsGHaW_lrqdI_hb7pBWAFgKl2FMmERZnSCTV7m7RxUKEJs4b0VPvUrQ",mdrd: ".hpKCX7XNX97bGs2vbmc0NUIbE2.6SmaX6iues0wq5M-1739407662-1.2.1.1-FG68cZSsZqNoS2g9Omrq3CUJ9aZPoQJ0RA.TmYd3kTC.9ZuMDsZaxfsCGS5YUmODzAxhT6jzWn8ryQZQr2qiz_xrU.Yy27khN8L0oYgepdw8tfNSrBFKvpYDLY0HhJTGSF.CE0Yl3T0kF7UvtdKj8JDXL0vnQP2mgPf.ykCc7kWL00VFq.lJ22N0m5zsLwdbbBZTOJn.PgEUkU.gflPsEN56RI6yi1VakFiVPgNzGhvP47UVJPYwokPgICucDLGr5Q_g7Pqe6ccmljyv_llp.SsLw4y3XOrDh3p8cxg4rQMXnBryBoHEwm7UumX2TdkjMbQE76ySQRfDgPYr3eOYlnG8dgXdDikEpP_2fLYp9nkWi123xWg9M7DdlIohVJtFNN3g09c99VKnOPUxw.Bp22UPsGJDqTYatf44dX2.VKpM4OYg3zutgZZd9vt8C7NQd3AmZILPXe0ShbHugRmheZTxlYCUZxD7V3z.ml0F6KAWFJaDU78vAnWSeUwJayA3l4wFjAd9nZ7hIt9InL4.ZrGEksolNdStSA1OILfX6bGQDdH4jc6VnxrUg5JY7HIT8flpli2_QU7lW3DvdHWs1HlueeotIqPqYJhVhgzYVBZ_drC.zETAdzJ005oPJCj_0lw0dFc0oyaVXNUJi2Gf0NN6RSIZRvq4Xgjh61clQTqhjcPbfwSIaDDoENTUZExbSylFn2OYM6SqDY2lKNkDFUdBp6O4H.d8WxLKBC1cqZ_ulhp5ggu0KKQWPNfUs0pU_SDwL6r_E50zl4fM9sJJSyiHr723mEkOKg.Icy70HLIX_nriz0BiiskKa9HxweeQruKK9hsyBxGQskwiiUyNSU8K4NYOouMnzXtHGSqs2HWWzJdKDj6gMu4FzGT0uBWIMZf7GoSxL2oanG1lzESHKRE9aNcMZbboXfzUiR9JQ3D.zZ_sZ2BrL4Cc4eJggr8IXpeHSwzebnXoxFXDcBYQGNsj1kqtZyOiYnihbF6I14p_NlYjBorYoguc4i2vqv9FUjwNtoBo9VvA4JJd7ZMPcL3DxRhSBbd8tx7R39eVrWAynga1yuKCNWl8KtiqW0pGBBjlAqMOc9Z97mCLcJJw6qXa4TUHG53D6Hjj4X9E_m3W5Zu8VjfRZJtyzhurzF4YmCc6lN5bYa78QzpKzwSac9hco_nHSftDnyBbi4PDwXzaLUMsn22rQI6bSmuuaHb2ruelcfXOGAkPLoXFZ2KiuRmZObCPoBwN2I1etKtTYPI7sLShD5pO3nAlJi.CqDSDWZsGn5pLMvnjiE9wAKSyWoBj3DXzSokohJlbSR6fm1Sh.UEGEMRNjjAYFEaYf3RBOkkcGIs5csmCST1Aj6bedJkjSxNYQT_qeLFYG5XxfcM40A92XALlNSAKoETpZjYvxve5qPmvf3aRGoSOSGPScJmiZfeniFncE80f7h06Dky4hmdGnCrH0iMGu0yjYot_on9gBZ0nNeH1zOzen1GCJ2xspTcmOpm9.Fl.YtHbCrSv5VJYzQfV.QmtxF3ksAznb9hygIeGlf8x3D9PZS82Ng1MUIVuaAs2kLOon8PNsgnWWUIk6XubEW4iYY.0jLBTaP2SoaJd3TaVcuCAELXIngLgPU2iyICPaSD3Y2yyJdWAkk.NH8WJEmGFurLhEPCsMCF4bH50NC48wYQCvHZif4bwK0guIfyuUa9TLNHrF8LrElRFK6.oFEi3eCE26OIk_hxC.GXAN4ebrhFS6j_V6DFsN2I0qXnKIwjMToExDq0j_miXIFBkGz9Ob7YbdpRiPUFrqyUXjn9Mwt6krwPWq_NYqnnf2fbxz7K2ph7DAoY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110cf03196d0604';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\/6238957041?__cf_chl_rt_tk=3vTVQARvME1lP2.krDPL3fKv4UZIWOFSeALopZ1IZYY-1739407662-1.0.1.1-89wnUKbz0LhYUZ7JOmQNvkll9fL1VojCcbeWRStJGhs" + 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