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-860419334008.mit-edu.top/post/0538627149

  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-860419334008.mit-edu.top",cType: 'managed',cRay: '90f803e04c4ad6a8',cH: 'JEuUnHIW56GktmJxP5fEjNzKSUozp.MskrOFAgRCkP4-1739147683-1.2.1.1-viDtZ6qk7_rOki6tnfetpsbgud6.MW6mJMmc1G_vg1HPjMAweTEv1Jtwk8EOhVhu',cUPMDTk: "\/post\/0538627149?__cf_chl_tk=zlNKc4pvAgfKoNevC5Eq4zFohpdusSfcWOvP4VP91Z4-1739147683-1.0.1.1-2sy3gdwGo1gmbaigeQ.N9TLVBQUDbHKgM2Y6_spU2mY",cFPWv: 'g',cITimeS: '1739147683',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0538627149?__cf_chl_f_tk=zlNKc4pvAgfKoNevC5Eq4zFohpdusSfcWOvP4VP91Z4-1739147683-1.0.1.1-2sy3gdwGo1gmbaigeQ.N9TLVBQUDbHKgM2Y6_spU2mY",md: "c7uDZdL2x0HYobWSSUk07FYReQTvpyXi6hbPRU3OH9c-1739147683-1.2.1.1-_xtPWPWGx2chbFOGl0tTqZOIJziKrgqakBFRMeLVsDkbBloVWavrdmdKXoXo1aBBuUO1z27b7bex.bq7xbRbQjSDA5GpnbbTFGuIydM.V_da2XsWLaFWkFAzIQBgJ6Wb39G37qoHxNketyNP6lutjN4Jvigcpu9QEdtd7d7LuKqsxAFK4AIenLUog24mCWJM0jHcu9TPioGg56.4zMUJ9lo3mHIswjW3plD6Y8JvhWeP34MHRB.lEmu7xQLBSrtvu6mUfL48zpIYC6EKBX_x2KotvagUK7YcEyy8EXSNwKXF4y9iiJa7dNL2nWaoW4HAJq4ZpPS3b2NYdeM.KwyR981PvjcCnZ966G2V4ZsHoVpf6dRznY7vYBmgmg5b4fdp_GiUoraPHkHDVF6eyQ4fqmAE_7dJlKmi2mh_nF3R5zV6E4Mt3KTRcZFyBV166wrByG7dpc2DVVItxi_qMhqHVMp60B0xVmoJ5mLgxaL5pWz15El6aw857JIXG4WtDmvz30y9aSriOeCEdd9MDrKd6Ek8XVqh4S3MIK2Acx_gtKo20ZiRFE9VGB9_rVlKGp1l_GL9lFzHl1gP.V2Wb7J2gnsqOeTRXRphhUaEnH4Cwks6NL38v1ip3huKkSR.lja.LjklWclvU2njg19c5wAfc1dypQoHrAZRig4gqf7Tnnqn.Y6A6vr1IN4Xu9GZa.QMaaFGB0Kj5oNcU_ouBivmmj8qOavTmmFHSmH5XrchMbazsVm25wr4_u_eguuhKrW6ARxTqN6.D1UdcsGgqLkfFEfH6JK7UUNFd.cOCrbAFxHQ9Nv04p1K3tSJJViazNO1ey3UnZ7MkNGRuwa.I41eMQlOj3BD5UGCk7tadR.rf.Ff_edKH2LMax0IkpgXW5oSZ03OLInV2LpH.5578ZS1qyPRQq9TwBRY4C0oIBSKeMG2TtQsPIGS16nasMzPC7KPYpA6kDrKgpHKfNXMDa5miN0zV0qwe8YbFIkkvHlo5gS1_RWz_suaVGdT.KJBs_mkJg2VdxN81zbWO3e.92rmKAN03WWO4BJQ0igBebeEHPdEeuvi_u5t4b2OzdJxqouzjL2YyEfAsNd4Lyx9y.jMuFSJxtPXpBXuzdNK1NdopIaMgYq8S088YmMEdhWaOktlaaKMmKOQqSapqNRAzmY7iqUAlxqAR8CAR_dzhOigFXmBLYsbFkr4UBS2z8y_7vtip.a3rbvxh7ZskU0ZD0XmqIzjWjc34oKkjVRt2KCKdfVYTKRUDiQsFagndYFTFXhc6.pY.u2L8IWqKerV7dLR6o2YKiFVcPQQDheGAboDk3r0Ne97QWZxNxlfak_SEyy3xUwHxycrIanXOSboPbvejtDiVt.CTQ8W.P18PuyM8Rldku7pKiZLZfi18a29xFlzafH6_EpdZYKbTsvUcM5563oLbQFqFksWZ87Ipd.OGnCqZ3WVs6dTEIxqK5PxSYrCfdGsiWBe.1tdLSbfasUJlA51Zf.ylnqZ8WHjd39q56Ab0VVOjB3uovS7I7LcJ2isn0RzVu2WMtVXkSL544YSMIhxDPrhLxVqBQnMoehq2i7aaTgAXv71qNwY6uEIvQHYsqXRlElwVDGgLL2Im254wUUirKurA2egIBzRTYXAN1Pq_CZ_0.62SDV8YBW.eD0SNO26wCTLjhTpWYw8R7u98HzDUMkPVOmEPfjkj0N0x3kfie6RWOKh6n4INa9npYdh9XKZmwyylvr4MypaNJNQ_tpjmwcKSStxmiISHzRzQX9BYu6hlggBk1Y_oMIdnU.UXRPbg_.KYOIzzKAteRjf2pysJSarkBiXp5YsQTEdoW8YB0uCNPpeNlKk9XXtfMLl8OYmauvmAH1YaR9IWjJhvZc12uGqWdopxRMhMXRxzQgHQwlilpEocJ5ZQy3i7pyyBLiQjbMarRNoGKjIUfCy9OqQtuOlvQyDKFPI6xfjsMSku2Dv1z0U4TElJYBqKnK.sCfF8ukU.Yxqbdhi0furGsFiAVdnmq8j109nQvnly78k.TtJmwRADipCrZ0IdJUjwhtg0uUmHAhWLI8xfYU9dMQmWRP5vV_mpsy68dorWbZ82TdCY3rsWRcgaft5LPP7tEAGHGfsofpftb.GskMyP7bRfYtXaTJKif6YMz.wIz3DG5h0jalLSb.oSPr8PY5PWP9vCuDn59Ql1WtKgeyyzSNA.ifLuvjC.bN0ixZHsMUuGzQsOjGd3IOYSpHgclt1",mdrd: "RWjzpxZVCrruKesSTGPsG_t_GuXwvz0_DvO66kP2aa0-1739147683-1.2.1.1-Jx94EYEMeUHDexrTsIFw_OahA_0RK5d3tImT6Msng6APzf0NQ2UB5RQcox6lGf4kiT.PJcDcXnAL582Sjg8Baz5u2K4IgEulntzwKECE1cFq3O9lZDLxVb_R4P6hha8GJvm1NsbeS8JjAKNqDuNrNrxCkfhl9AIgzBMntmW1tO4R7QFgaih.2YBeZ.9gaGnDNPTBZSkilPwr8Psh1uodxCC4161klKnkku8dNY9Q3d1h_hPdbncn7c48VHlyWoFBGXTVSzBDGID9Omwh6L6iyNODKcZXK4ijf7nQbJ3HvFe7rPF4I3MSjYuHNN7UEMNNDSIq9xNUQc_hDnZ7Skxkg.Zuxpijgz2xkCYsqMDesv.R2L7Idf44P1kW8V2ay6uBAaDQvhTydrhVaweTjC0SAsZyYHZG0neTAX7hijMFYFKeE7neAQIj9qihaEJlE.PcqjNsDVnTmaHz_0glorzBpCHAiPh7uWo9rEs69c_rxGGhg7Kpf2VFs4vLgz_MUYHxaGofKdkMY5gkwTFQELFBiOdrg_CfouJgXgXtEKT0Qgc4eb8vKJdy5cRrwKNC8yQ4dgBd4cDmk4heCIJRuW3GJ8iEKXCRzN8axdgKxAeP3Yzc4CdvQpxehVHOJnZ6lvvfgcL4SVKJe78Xhr18S0hyMB2oMZMxoSBP2a5uKUeEGrkY0Ia8jMLGqSyYr1_6B8ILxZdTJwYoUHUXgv0Tk_J7r5zhh9mnh25rX2Czuv3dgB_Ovc4d51U482vvX.PLkdWMO3gCTgfCh46xrcCfHdnvQYHzyyrdceZQLTesBDePJbL0t0RDb463YTq7SCgHNoSg3yMJNQoNBVnCf5yAyb6W0uBgTW4_B8XTpO6FlcVmF2LMc4UnhajdwRcnibYP_I9ZXqEITGT0K3FukQqrvWUVOq62alkFM0rMqJLZjVpBth.dcf0sFNRwnLR55GEmGBaXGvLxY8WIR0GS5sZODgBkc8ns9DjXhkh2dpydo3LG9kaZkYJUZxMRwU2kiwSv9IP36WSZTBUlZsQ4nSvzbeN2sFMiAASWFxjQZ1P0dHvQxJR_FxmBtqiqhZWu6NpMU7Vn2r8IyJItKinXzcp71sED5eyspUSmVKZoxLhqWBods5CR5wmEj213vjUH5iABXkd4V7ObWfdzpj0VnnRADBEO0mzX2d03G7C5hrYiNv6e0n0CzReR2zQPtfLp7Ghfu06ubsFbJu0yhNXRO4iC.cHQ3Sml3_0fHUYlYRK6eZGRz5F9BINakuTlWxli99DIjvTYLltGx3whG7_KropkzETLWARuqD1YbjFxWYHZi.izsEmpJc2JbBaqZg3uG0v.mPOeoklckEwa_DbRYoEJhlqyTHJJkFj_AU8gw..CpxNEtu_P4H49oF5HgdhHtcRgawIVu8kHVrCE5CFv9LQ6w.TcahKeaBBxuTONePtH_cSddK2VVzzYz8mAsYchYrLNNOBizMijz7rLtD_pOv0A.OCVepknvxVOkcGTTJ8t7o2TK6_WJerXAnHRLJDBrNXzx.kKfApc5YwKAxrrIyXbbe2MD5_k2DlAy5jhAMEZLOn8uWq27rYm_jpm7WemZBceRQmYai_CdZ4Sv8OegUWz4bsyug3GxhTRynC_ujmmP6UqYapbFB3Cf0J1nd3rFWyDyCi8j98pHzrgreZx09Yz6tEO_wA6MEFMCqmBBrgWloEHVYx6s.jNpcdccQmS4b9FKqwASEQ93_ejifq_cYSwAQaNkbdoZmaR7gCLjMkLI3dAQ2Zfi0t9dez7eNg3.YWs3v07BYdoh2az_PG611uUAOLIWQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f803e04c4ad6a8';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\/0538627149?__cf_chl_rt_tk=zlNKc4pvAgfKoNevC5Eq4zFohpdusSfcWOvP4VP91Z4-1739147683-1.0.1.1-2sy3gdwGo1gmbaigeQ.N9TLVBQUDbHKgM2Y6_spU2mY" + 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