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-661598333963.mit-edu.top/post/6980571423

  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-661598333963.mit-edu.top",cType: 'managed',cRay: '9110c7140937081a',cH: 'EymUcC8O.go.NsWjyOkyz5dYVTXSYH.ECDqoAyK2krI-1739407337-1.2.1.1-az6wUzGgOlqVgszWUt1f2GgkeAYw9vzOphfzQi1HDt2FfPuLknmtsbt7vrD1NXAw',cUPMDTk: "\/post\/6980571423?__cf_chl_tk=cb95XVvJqkrKu9tkAxMurhpqbR0uZ3AHf3Cs8e.5AR4-1739407337-1.0.1.1-yxY3xwhbUzN7017sDSwiFH8ONhzeFP6Ntm3LBgrmTn4",cFPWv: 'b',cITimeS: '1739407337',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6980571423?__cf_chl_f_tk=cb95XVvJqkrKu9tkAxMurhpqbR0uZ3AHf3Cs8e.5AR4-1739407337-1.0.1.1-yxY3xwhbUzN7017sDSwiFH8ONhzeFP6Ntm3LBgrmTn4",md: "ofKlB7Y77oZeGZs2qsxSVyPRbg4Ok1DK2YV5sIoVTuk-1739407337-1.2.1.1-7yRMbUB5q6SQ5aPmtDiV6icDJ_RURISNdc555N5NA5d5jtyqBN3eQkcb_Y9Fp27UB2uxoDagOuZ912clI42ooRagLrzFHhloHYZpJLDp44DkZfQGFAUR6qWYFetzZbczLCcRwnxZ1YSWojXHvyUt4X9z8RWPfPFj0Y6imd9f6yVS8vphoFmdXAAgsa5_G2_NxPuCMYlcQ0heK1EdRdzoKY5Cig.WpVvWLAUE3V3jvyxFCgf9gn4Mce9PuWZFfz92jXaA7i1BnGoNa.Wcucon0AYrdSmB3IKoXH_BLqfZDE6QEouHYBOCHu7G8EgpEzSaBtWAO4l0lMUM6CmigYcNhPXNFLCraElYvtXRB5ibqLfhk7GBqYV9DqCNZJUZh80qyo.Fo1y62mGtCwPopNhqGWYdntbzVIimLQaXVlnUP5iyEaVhxIUJ8fHxuX_xnL.lpRU0EAqSKKJ7iQAdKLTe.L2Um1_cVgk9RxQGhhdD62OiHRVpJmvKHA2ZKDuki1Dm63CpgXEZ6XTxBMKjC1Bo.2jUDrqWyg1pOmUOhYPt4b.dBSbBsl6wSJG8pXED1Qt8WdDK0DnRXGhAAvYNX0ew9bI4Rwq8A63ZqQ9KKrwQ9OQuYy3_amTjed0_0eMnNPod4x9hqfxV1IPukLCap4.6JKrJz5Zo60KJm5rOeO3FQef2wat1bqFAqwQzRUFV8kK1SN8Hat0_zCTQOt3DiGz16CIKOeiWx8CK.TNYK9dfytxJa9SetECRN_CnrdiuHV36udbQK5B.edThPbWOdfv6Eq_6jxMCah1UXUWxNoE.t6HNZf5oQua7pp76ipl5ZeUZT6dzqhvFCEfGz6.25ctNAvx6v5cDqRJBOZ6Gf6R4jOpYVw0lqgwVMpLkpIqYKszU5PP4GN.5p3SSrxl2aT2Fry5Uw7hFHTFSwQqguYhFLfGl4sjcLf52S_FU7xHYiRtoVUfr6wTVIiUPnw5yHAIm5Odhme7t22NU_80e.xEN0VzArlGRVDXd8G9t8V8NaGaxzEppDJH0A.1meJlebqjf.dYtueZg6x2OJWcChbLzAF_GhMupSFhkrmYNOGKkiw4HAhG.enUiVcvTUDrTQsRDLX4nNSAkEwGsGayIJSZKv8OkYLCuHDz7Vkhw8Y2vyeXLBY928sG8HiuDfEoWnCnJOvO0ugK8IKFv_lpj0G._LeT8IIeCeKu9b2uKWsBYelJLezorPXgH4GgYLM4zW7STRUKKu_HoIDWaS7qgMqC2ux6rcl2GErP.c_SxYMkpxPwxrH4RS1houpyRmVpOlIQyebe9JuSKvsTrxvq64IhCNiq3ruHqpm8itoA5Q9G9pI.IDbvOGzzm9wkWOmlWKBvbW08NYf3LYccN5Dt0gGl.6lfNu53E6_GezPOllorgNXpj0B6e2s1xIAAukXgiyty5IOuKKzKh0RjqFhWnP3DYVFOvgEGNsqr027GZV4T24bVONaWggjN77qDuRFWgkwuXTQ4JuZ9pWUtocKZCSOjdC.flCLqohw2WrptVzV._Nb4m77dcsFiSII0EgCZto6gj5CD2Y0BahR3Tg2gNb3BgXYcrlBDgfvGtds0lJbke0lR7tDPXsBypTA13yKM7R92BTofLA.uDGCgS46DOmru5lMjS0Jkkkhwaro.mmDARcItqVmJntGh_34TFfOtZPlCtMNh_pltMfj4NLT5uSfdlAUqdAu7EtAJLUucsYOS9ja.gO4DL_IuV99Ha1N1vRJ3Bn0CBmcqLpgg9SBvQZdm_b_mSc27JJEo13GcJj.TXyNKsyiaokQs3maKIi6bN4SuXkkhQOP6C0KxDreqQ_qxAFUvOQhwVIQYNBxa5FzuZc.6j.EmFuqKXXPobhaChN4_LNtczMOvMvs8gBAHp1VhlW1mebo_BDO6kCeotbFVcGl3GaDKrUz11MgWR8zpxEkSNxEPX3NifPp4YN9hEb2HrpDBoG8UHIWRzNasgw4ZOIfjDXruD8kUBBBvT1jW.lGUyty35DJP22cIWBLPx3qu9mXAZnosQp27TLcjyImT1K__eyuf24rRUUMqNBbCz_vAKZGOmGBqKoOfC40WspwTzqc5ihWbfy_z3ygfyFyhPSQwwB_TT0baLtQ4XSiOaEa_tyZRMUIZqXw7epl9EwDGoq3g.3Q0diaZpNo194HwrlPnr_LSe61zJqQ.9xsl_nd4nM00m7uEzvu5JaS7DvPhCZxcWjnA9mwgYqi7TJ_EXTDzD",mdrd: "LxTrAW5piSDPgKGs4wUjIBuaG681TZnw.8ZjyMmKpmo-1739407337-1.2.1.1-_ZVmbL1zDKAd0jdsICMGQKlkvSLmo1tb2tfMMq9_xE0xFaQcg2JV9Z8yejhOWOeWJKGzprVidk5IWfF61SdnMS64tj0dtwUgAiU2ZZAeDImNkeZIdWm7_nXZLPJcI5bjvwaZFP.6gj5hpzH57y56Ps3xuykIgCXtCadDJy5rRcbrIrfzkSd.nvI4ZDI_PXa3t.WQ_._jpc5QoDJ35BrCS.ohYZScTdNmibgUCCNZt409rMNPt9X4qWOB9x928gdpuTIW6.BSPcahBZcrEUaKbvoDrIBKuM0lcNxStdJLDZQoIAO.jIhFCGdbkyQokBFNmq151HILoo0wXxkBBv3qMppTEZaeHHk6ZazA2NryWj9._CMt_G0i9lrYWTakBVM1P4iKkT1v.0tFCgZ1_KentDAAFEz9ikLikffizxJBGboWnaPpBkqAcJgqw0RdARIgjguw..MYWAY19t_zQ.0JzYtigHA5yv6UVMplMvp5bJWGQeXadUv5JTytcwEFyROL9EDynB.3h5kWbT5npIvW6j5eRrKJzBRPC5usoRBnS7T1z4mnpJtfPrGrVoFhcSU3J5Veinn.taLItnc38B.kvwG8fwKY4lVcWL93OccIvXNo4gaJIzUKOeSSEu2qo_BFRIpiU9yox3nocGWcfGTBmYNcJ5TMUXRHRDd0SwFRw3S0vJKvZViiLxLJOajhkoqz0YYcDfBCn3qLFVK6xWDTCqLkVA_dRYYeUnZO8lZJG6uf6kEEuOkzneS3a_BY7.n_HW.HWEJylCokchI5JiEuWZrHZh9h0dNWggiXDqtVuJ.KBid0JS3UmTYhMKW8.vQJHnaRyo.RItckNXwYHManrTXO1O5_PuhoLB3gTSVLVbLblN9Q9VcAxiEOQfgVTIlUOLvxfusIqZBA7NSwAqbb.cFLfihZ8jZ2GVPFs5xATG5Sc_JK5gCq5uU5w3i1xIDOpyhAB2B3rP7GNj83UKeAafHvZMIvoDCyXu7GEh44WcU3t85NntByr.TFkv9NF_69wp5SASxX4Pw3ulJJ0lLGD6mRxk5gmEFuW.Tlt0aWLAwV.fnAfwL_WHCESB55Se3zvNoWX93LQGJwUDWsOgg6fG8Sqxnv5xGr3bnaxwqTh4kJYS4teW2LW3h_AfgGg1ANz7zeckGes4bLbecv_ozV7DrFaxzIyWNYobG3GB1t3YuXofQhn1wcmf6bY77gzloutIgX0UjnNGIfTBaZrtSglSH0HjXYyf9GFvysBaBTrIzL2FpG5Ko2zJJHZ1_HLVHwprXA_Mut7n7dQBGQ3X23JBY1x0rNGcYZYckfYOnGpgdAggNyjc8s5W.VVbSEGgVWaOsV5nvsbAtyGhwx67_5pmwb2cXnFNDg19RwN0ztrAKaq6PECR_OEhcxG6gAqDy3e6SIKyYpSJ5sj593P8Rxeoz_JGIoqmRJeMzButQueJJ6enhYLHCSO0hHcP9ZtMdK7KhzCavuaa0oxEwy5IUQELrt0I1PooBlD752WA6km6ZYDk52ygW.9ENtvzg0k67G.UBNADa4OnQ1NN_HQesfX2RjVRHjnNge6KyGciue3mFjigaFUdBtKU2JvV0PUiGBO61RG9CpqU193tOPs1QdcFbZJFrfplG4r8ytmzz24z8wHcR853aVgl7NWYsXF_6tnA4vawPrZPG78baMDqHMSGiN98TpGujyO1trLBwsmLXEUBtKpanC5If2VarojULt4Nwqwbcj8cezq_CvdOyxKPQ49LHLdtympw2ea1rL.GoPsnZZZv82vdPQg6XrrBnZSRkn_GvO6YbZ1jWfvpPKW15_MLda7HF8jzeAbHK._9E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110c7140937081a';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\/6980571423?__cf_chl_rt_tk=cb95XVvJqkrKu9tkAxMurhpqbR0uZ3AHf3Cs8e.5AR4-1739407337-1.0.1.1-yxY3xwhbUzN7017sDSwiFH8ONhzeFP6Ntm3LBgrmTn4" + 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