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-745754515082.mit-edu.top/post/2187604395

  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-745754515082.mit-edu.top",cType: 'managed',cRay: '90fb297cad23d643',cH: 'K__ua4fxX9xRC86UmL9kZAztV.ZHcxka3gEN4nBniCc-1739180681-1.2.1.1-insV1i_pksWt_F7rT.kwHNBZsHNgLL16Qd29BaI5GAq8c2mFYlfPUoHjs09QitVM',cUPMDTk: "\/post\/2187604395?__cf_chl_tk=i9yj8.vc8rMx8cxG_fE3nqPL7zdUdDpSm_.5bQLLSrw-1739180681-1.0.1.1-RA89IrE3mxqtZ1zyVwvMXJHfBGN9MV5uYZUFZgcVwi4",cFPWv: 'g',cITimeS: '1739180681',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2187604395?__cf_chl_f_tk=i9yj8.vc8rMx8cxG_fE3nqPL7zdUdDpSm_.5bQLLSrw-1739180681-1.0.1.1-RA89IrE3mxqtZ1zyVwvMXJHfBGN9MV5uYZUFZgcVwi4",md: "XFdHiDcTdzxeS7NT6w7ktP65UNuiOb005AwUJjgT7SE-1739180681-1.2.1.1-kb4cOnUk7S5XtUuvR9cfpLeEEeJqFu50INUyjqPUB8Ox.UAa5u7qbCnivpCm7JZEOqRTyFQ_XMb_K0XdOV.2KdqsIL5Xl7Yn8bpRXN.GGMi8naVSIBjbAuvbkVTarMaerQWiuv5djnmf3bG6Oitq7g7H2EnwBR8IfZcb3g_Fp9pAb7CrTS_ta6x7sZ9FeXnP87xO2AAp41dWi.rkJm7HViHcfTgwAhG7uD.5.7cAJV9NBQG_y0DmLLEvlT3GndHjVtHH6.g3S2rV79Ld1WIC4PETaSQycXdQxaBJaVu2VB0oLwQgnL8Wz8iglVp1vAaKQsVpZUQgrUZS.1W.d.GGzU0nrHqyF_jxHSSQKbolZyAkknmAoqQnw.c.0MdZysSYT1mRY8MpPcc51sCFDrpyiN2_anqI81sS.U4cpTQdlaLuQgBYf14Mr2bCVS6NfUhKKHDL88rMdu2pAY_BH1xKbK8ATqiD4AxhuUxpqTlv_wDMG90vWJX47C7DKUHgyAja95TRtwo3_M_eoi3RzvR3JRrziYrEfmy3xUMBqzKgz_trrQ3H3Fc2L6vfvRGzhWGKiV2sfcU3.3EfePhjGYtlCm6pyVmx6NYHvbWMe4If2848YxQ2qu2HOqDJNhxaSpMjefSGCC1CXlqeZn0iEd.0tGdZ.jQ3HeW9ECP7z0c9uLorFkfMLq4HGKcqGOaSmZx254pCNI_HP2qZP2scKo7HbMlfTR4FVB.X_2VbgN4nfpyJL6uo9PtcI5V9bFdBuGiQJfqXVGjmBKCjUVQiIQIbOtxjVVEuOCsodQW.Cie4xmLJALuwSlIfZl6ISeXqqfFh2v5tShsMsi_sBb9Zer1QyUbYWVTW1H38JCb3BLhjcGADda5CmZMJTaniJOHQhr6VAONj5_VBlwnj3hMeQ.Djs1wE9B4r9I_UY7StHdNd2z5aFSeFKR3yrdH9_zPNxQ8ZNlc8RWD59lA0vuk3hIdg4usL9cIusf1OVY1Eudqc6RLwcds2bS0vZEJlgS72iZI4lCFDPuGDMGumoP9e05bBBAFcWvDezevJRHl1VtL6MxLtANOqBHYlGHnHIHkCSKD6Q72lpto3TlMuYwdztz6XXF1IzB0UEqM6EBBMcI0OOUyk.y8MdQuUK50xo9MFzNs0qjWfQU.zXFooc03Yw4T65_7xu_bKVBjqO4GOPsyNoTinP47eHZza.1tY6e7FDx194SCctBHrGFw6jhR.ELMOwbLiDv1XMMCuyOGUj2Qylpw_64rnisAfPq6PDCxA1l4PCeab01kEYOxr1oKL9aG5tozDjOoqHEsNKd7G6L8m.jugNlHOhL_yqEchLcmGP5iDwnkkIH7X1NXfP.Vc0Owv89zgLdH5DC8qBH9_ighgxvs7P1gnIvCHPf5I75H5DjHDWe7x7qVCc84Y3Sg26fOSkQf.tCOR6Z32qskN2sYd.GzDDi1m3pObMMGfF8Vj4KrUAtygBrnfTFF6wK8efxgHulN6ddmq3s6G81kHp4232Ld1it47Q8A3rkD0fsxcbSy1CRkjrEpALqr6XOF8CBIbzk8oiDkSId8TphuNC1XonIN9LtZILZPlqdo3VngJu6zZnbfMDFznq1MvZbW.2xnaA2eMc0Nb8TKA1nLNscToeiJJKqWGgu_N0FM0aXiG4MG_Sl5WHpLccs7L.qM_HFybFAyZM0KXNBptaJjWb321tH7r5Y2IGoOcxj9695BeQhtTjzT5vPnINmvLHGRz90qluwstwcBuQ5tATaR6xgMA9xKIz5FAbbrPVs0yH_JBK0eItlSHOeecb6kMR5sxC6ofMJSNooevZDRq6fpCu6yRdalFwFs3Nnf30xmEKKhlvLwLXKLBUw9FUmEikZmNmM4qSs4vTO4V2s33Z3Cm4aS3B511B1Z.muysEtfArb2JJmMm_D2S6SmVnh_17PfGyK6Huv3OKNunT_XxqUVD8JoOTiro7a5Vtgn.NBTNeEVtEl9O3NJTQAEWYgUzV1uts9NcMKSVA133ZGeJBYMgUarszi2lWBnExXtF1isHNKzLhEV1GgXesKuK4A09TYEZgB3.X.v9LHoMyEpWaQJqpQYba5EBsSJ.MrqaPZjIHqrOV9SKg..dJkS66_N_yfg_7gsbMUYI_arAg0NH1DaSN_aqlvFRxj2aBR9YIl6g..0rTAltvnx1V0Bs2DZ.OdUMkH6sX8O7nPfucqx4XSB2_qkTZ3TpCsXzvaE__A2USXiSNIxf",mdrd: "XoGNh.aiBZ.MM.HvYcwns_jST3WwFftdHxIi6z5imls-1739180681-1.2.1.1-fyXBbf1aDnGQrATzCssYBxyOMH1EAig2JK4R9BFF_NIXBoaWK_woTX9FepOJoYgINnGGqJHVKqSZwaRdBVxhj.7gviiImeQb3TS8Guzu1TJjwzeX0ORXbcQXVpDnjxn8vYi5mS5oE8kzxGgtRAqYUITp2NjQeMIOOMaqc_A2hkiBz6D8OmUxPIkvhfVUZN3btS4Efg6oJzevqSf9vF6qgDjx7O3zvta5dyyF0QJG7tuYE.Wd_DdMV8YMVuwfdTZc7xBX.00_eu9DKx9E8RrFm.fnV_mxWoRlXJDLpeXetpHg_qWSPMbibzO7L1hKRZfvxM4OtUJAFDHwOM4zo0tLyA89PX.KANz9_Kfd4i4lAUUQVGoKIyb2_Bnm4vsGLmiP7PFVncHjZtJHx7xrOM6muE2XIIpgoIhvVWJTbItrxCj1xta0dqpS7AFoX67tsRO2Vt_39YMsU6pW2nKPgbIf5WFdRzfDhbe6_y.37Ebdm1mPF23dOYPu7G_xTBWkMpJdRKwzaHFs7UnQPhc7t3bzMdf9EMTJmBgrtnp2utJPBLKxkPlusBQ728cfUwZYI33SHHUGMrBMb7IMRyVVyTPrG9RqeQOeJ3n5sJ_MdPwBNuCLfEyEr9Ci1Lvo3TGePeKVIotMPV_cZxPSkqwDKMOmoEvdDhdBQpgpwkOfLQxfeEJSk9Qgzx9LU2rlwkUJrlnK2rGm7KZXEWC9QowYnNrvcyL3LwcNHdORO3uMMlRhXsFWR8E9GdygkiKQt_37VZ32H2bv6JQT1BGTWxEwz7VsrevYUtU9SKZ2uvQ7dcei2EqaBrSTinV3Ab0sX5ulOdRE7k7FFAZIl5bewKV1lLJQf50R8F14wEhh2kn71L850yaMCxdFv61niJHNY3sfaydf1LQsRCjpXKVG5Lhv2x_jKejEF2PrfgpwmGIUIE13xS4h9.rD5AbkEdx8hxbkvFCGt11XTgE9BalHQ1zrvSAGtiuddO62NZjOM5Xu4Po4WLXskZBhv.5p2zTYTv71SsCoedBK3j1lzoMHUVwjCUz5igyfYOXcr3XWKA0R6CGGn.JwVihXwJpJhxO4ue0z3SCIHcldImJpQ_xnfiEmjZE_HCk_WUwCm_0uatomH2uCuIe1whQjtqBxH194PEuY3MPHtmGGXFYNFme4OJBWHZAD9Hd.CcYVFw1ARm_NbLZXWRaK.2NbkKV6ypCsDui_U9QtRlYi91mdpJGoG6PsoEykmkkq9TfINbPI9.BBlYHkgdnYuSiBHEs0KfTzF0Qob4637NwfMjm97TpQWwFpmYA37VNAMw2uoQqbaNqlniXLsXaZ4uymY0v5stYNQ7znEXERDxG4SBvyaC5GRjXAadvg_fjzwpNlD.9.2p03pf8LgaZ7_0TJ30iVwBDG0bzK6eNvCmD3HNTiaSkrneZA_CgwQGUkzyjSrscx3V.fcuVST9iQokB9_9WzBaxPtysYuFmcoIWBEnVQtiYILbRKJTnJuZBG6cvpdTqEDMu98EI_zoaypnXGqU1Yz.IF608ih7P7SKZ40O7AVNJ1Q.1mkOwpeUYY3U5QLAdwDdaaX8000GFHIw3X1W6aZVKYUI.vTpKwaTAFfB6zo3keF2h4n7irmPM3uV45RfzGi2ijBm49JK_3weEaViQOnfE5O2O65E_ywIQ7IuEAMXJiqTEKq6zX5pZExZPDzT_A2gFo.HYEbVvSRQpGQn2qKwZlsoxKOqTW_K9t0a0PyKP4aDPD52LVqn3Ho6Lc4dhML1zSCIMR4aBfB2AWjX_zSgi_mRr57Ttvq6dVfZNIj0s7Yhz9ETV3rj.u8vSC6wcCb02_m2VlEwk"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb297cad23d643';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\/2187604395?__cf_chl_rt_tk=i9yj8.vc8rMx8cxG_fE3nqPL7zdUdDpSm_.5bQLLSrw-1739180681-1.0.1.1-RA89IrE3mxqtZ1zyVwvMXJHfBGN9MV5uYZUFZgcVwi4" + 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