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-affhch849.mit-edu.top/post/0478263915

  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-affhch849.mit-edu.top",cType: 'managed',cRay: '9107b2cd6f52f26e',cH: '1wGo.YFc3rBSJoRIbesmujw4sQlnfaxsTUxhUCAPsfw-1739312135-1.2.1.1-wTDZql58lBr_uzkyYMLdXHxqihiiY0IDo9lG1baddtEwPA9YMMAfPMnB0Eaog2dy',cUPMDTk: "\/post\/0478263915?__cf_chl_tk=3tjtokScFmS2iwkcM.TFqAUr3DeSkAgMKzja25WQIK8-1739312135-1.0.1.1-QNnhpWJ5hQDrLANY3cRUFjTt37mN.CRPMlZWQFPih6s",cFPWv: 'g',cITimeS: '1739312135',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0478263915?__cf_chl_f_tk=3tjtokScFmS2iwkcM.TFqAUr3DeSkAgMKzja25WQIK8-1739312135-1.0.1.1-QNnhpWJ5hQDrLANY3cRUFjTt37mN.CRPMlZWQFPih6s",md: "4ODCu5sfOuitWQNc76LFOfjkE_6w8ixvnDpZac.GBEo-1739312135-1.2.1.1-dh7K_Sj.GjMDiIbslI4TYMyW8zJTCYgEjNZxuROol3nTsAvoMyRprKLb9FB6ffK4Z4GkXMjRwb8Zr58t9MiZnjcghLnmX9mECViRHd8NUiD6dqTrmzQJhOaqbXRSNGJmnaH9X7tQTB2qF8J0CwiQ.uqbrsKA.CpLy4dzKPCCwYws265NR6cQks7DYFEQ0TUrX7VWN8ufq3YfxTciaSAi6Zh7SVIS4lhWgdNwyfrN21Go0AN3df5D4t.8in4Q25YrF_WL6OWOnzUHBq4g.CMJkYus5jOpi8W.xEGU2QwR1jxyYWcZXgcYvkEXITIWGMZsTKvCoYKm_EBpCJIOkLrqh47GIMrAd_sq88DwesM5UxNy2benS4dh2puZ.LTR1ATGtmWjNT2H2_6W.tw4ROhk_WToRXRufcIi2c5GxEGX6yanR_axWdGFs2Zy8tNa.RitJWG7qmWqKAmvznKf0WmaMclPlxzSuKAeBzNtGFzSoxVt6_SxS0n5F.tHMxmpvlYff_Yn5YRz4cSuAWjEaKjtXNuA9XeVY17J3vhARvuirPIxjf9aes_N2dl0hGD7gKo2i1GcZqYh3xxTEtzdU3wPlECvYm3HHARRrIPrgW63r7FSGKZooBJjKAwNangsPHPFTSvVd582AiK895Oa47bIAerPE4ATdLxZHGdBgZLbWZKQUCZi4vpUmx116TFpf1EZUUzlGrJ9E3FlghLlDXBbybqbSkc8c_LzrKBzc5Q8qzlX138eewAKOIScgtiEz5N8EuoYhkRbs5FWvWsz3d3oAlsCppyLSplQU_ThkiziTstEcFyTJ2q2jcFpWmXRRqwilbqBJlIpIrHg_wsF3vGKqxVIYfheXnuRQR8xnOTxm5m8MHQb8_73CR8GirkJKhMimRRg7.xuXxr14I271vARwB4UOclXQPlj9.GsZ1Jelb_bCXdQHWzvx7fV9joV3Q8yMyqNcnvnXsDkXvgCr6aMpPI727629Id5OBKYrn9uj4pAPFi8.vQoj3NdXXR4N7dK2QExn6CxcH0SEkGHoFP5YJFIXVxGhmx9N_IiRSgzryC5u4s_WIBpphiek0URV.9BTGqkxpDNfLkqJUcC6mZD_jEuXIhEc_0j7kwZMinNIXr_cQYsO_XAbl6OwjgEh5tlLM5GBJ2ktlKFj6.cp2pH3OtB2BgTY8ZHa235ka56WpqCEYRow4SIyo4NPnat7thedigJuOuRl9pCJMTcDZHP6PXvsp0fHXAPGZ3HuBklN8V4bSSNJAP67N63SykKSleEdR6HTXwraJug2a4zf8STl0OjaZR6V2bK6cuqdthMUsEMHLX64ObR2Q771f.ptEDJvREe_iw2LgBOlBwti5MZo.3uoV67jIs7nQimc.VcCG70JY0pKr9WnFJWvGlY8.DyhZSYkO3UATdNwpXSYGPseVcYXjKR18e04gg4VXran3jWryah6Q5ybITijyDOhehuvH5nxlQsRSUmEfwIu5GeO7FW8XQbygLItFvhMKreeQGjCme9sGkwUeRzDSyhvP_SYuZ6wkpkyBLwEEQmwofSgr7lqjf6yOBOIXqcj7lryKEqOQzecBQPa_y6RZ8PBKv89w3fq68iApxWI2gwFi9lSKmMG7bW4s3hBC3cbO9eB5OnFN17e_lfIOKSKpzhwBcjHM4opXTjwV3XA2Qy2OLvMIJoWs6pnLBGyqa0z7S8yE11P46Zc91kiohHKoikEFOmgC0XUTEcOXUzYDyqwggkJoUkq0BImWVBVLc4YKMmIdqslYevxRwiX7yrQlmR4XcSz.KgKlWt_Byb3JZCs3oVR.1Sxbyv5Jn18pW.rAyjRYgDcX_sZ.CuBzKctTy3V14dJmsIu92DRxkHNYHB_s94CpqaTy83PtiOPF72zrHvczKxkAg1LV9xbSFEH9yaD2PUyUOa8PwyjhBmvT.JaOmGf0DdnFca0KrfwZE4XO4JAlr6DZg0DCPMRDPsv97B0ZEJqnefzj3exyFa3FKHH3FrX6tpR3hjNRYYZPmrxMbqTFVxcDk343eRmNimLgMcnJOoB5xL2B2F7JIYZupUSVy4EXVbfPfdYfDDvFrE8wQUJjAUBc4.ghQ2nvNcEMdpz8AaSkoAeZOpOxIduhiz5PSDEK7__3IXEUT94ymZg.ErKHUOeqR7GhuXlx_aaZ4gAKaF.Viz4Gv1aq2s_8wmL6A.TW5i.2pIz60FYbTrQHYUifXMxCXAC3Pl6aIO5vUltRe1",mdrd: "9AnD6Vfy.B7zDhxzpmJPRk4IPARn7WH259PIwH4BMUQ-1739312135-1.2.1.1-7M9T5_ZvzswLcfKKiIa.b9nAQ1hNxzuI.cMdIXs2dixSex5NYWcJ0QGBsLNR9bh12CTxTH.6MWZVUrlHp.tVr5jQB9GYO0yZuwCnDlxEjHXQOEaz0KuTcSNBlmqhWVc8..6T6TtBw4vMYlxP3QED0KQmwWvj4zB9eIMjOSo3R.TT5MWSp_kORLR0NeIRCPI.qj4SpXiCheY2PZuhVoDyOsOYTsUf8Lqsq8lB0HLJpw6IN66MRgTfVbmZoCf5fRFGgqGrsjToJCxm_UXJZmqmknQk7F5VNVeq04gD1.9jpp8vXhWF2liz1dCr0LAFwiY7C7PWAj1pF2.XT2.jw19Cae1.5iMYnEqdE.zYW4iemwq4OiAHIfNFVRpI7BN9NoBfwTys0ar0ZWoDUhYN1weelc9Gjh_W2367FR7QJxJBSbYnwqoIrjDM89vOIewKc5.f.QxvSFdCmTFCCEWaKMwVHWuxxhj0EIvDZBSv3opYknU6AFjhfvVbf3j.WYeu_waFy1mVNB8PEa9j5sQJsbhz9RL5Y_SN_Qo_9ktC9w.Ysx6k3Hoz9ZkMqR8R1dDJI7hdkWhnl1hsyWpEyZZkbc7m8byZNA4lzYDk.3W.1.XmBfmRSoC.PoDF__rK.CPc8ickzsrlxXPiiGuya0Ehy52wzBFFOoiUYLUEQYMf8wis0XNa1m5Y9P60VZXV2LFw_5njSXg0hJ.pN5D8bhswzXeU5TLn7MvkliTsn.gJE9fKghPrfLf8Cdv72M.HzGZmlh73E4EKhblMOP7yR0sR.mIXuc8Xy1vouFzCQh.FNVtTuOiXn94ShzInx91IqjUy0NcjsWf8pJ9IePmVAIubopeZm0ethPzGUIWJEQnAXKVrGJj1h1j6wG.5mKB88R_4FxuZVYFD4vXmx5IJSokLO0yJu2Jvs1mWLPn9QK9nJS9IDzboVNGFhhSWnJkNPi5LI3UBLJUoMtYMG6MtYN3q6DlX1.8g0twq6X3W02veWtXLwXAXpscgq4Lpo6e3U0l8KzTtTU_9LUh_nStsdoIx8_8faA9tVviADn9uTSe84fGSXUphzmLWO0kbHCuVr.SSTKMrQ6GCQNtPbEY3w8eFs3R5wbmXDuHWknxg54TxeXz6VFKzkv5bIZGblC95nL03Y71N.4AXshuVNdbBkAxt53OzcAoOYvrCQ5acwgj6xlFoq5AZWF9UoX6bl5jke7sRHuIhLLV.2ZHdg.Xus__RLSQpO3sKad70TPgPbmmlnGXlGJka7EIdwWuu6MEImwF.eg6liiRH114uXM2TRPIYIDu9oypTh.pMermnOJFaS60ZHlh0nC3OevBGW6pKUMBQL.R2kxMYbsKsFmQciczs_StkqCMKTSnRkGyyoNiZzRBW4NOy4xrYA353OGobVJXv5CKV0kAGFXzmkz6Yy9eXSRLwgLQWlUDxzr7E1w_I_8HiaaCBYocPgcWfsazOZkH3Pfxf2e_KveKEuF6eFV41kxNMpuJpqpywYstbF3dYF5n61B6ebOsqklIgRJmSF0bTAgHLJS.UTL54qCPFkOkL.l95o5wEsyJtLl5ZxUNQh084zPXcV3VLfL447lgE8JLJjktd2AO1kylT1Mh43UG51TTnNj4tjNueF45sQbyVoPUTBHYgqzG6JoKV8nnTNrv5iXSLxfsbh4TewVg9wbE_LH.5DmSq5ji7fzmyrCJaviMHkE2M6MeOHWDE8cOnEyX6WS0uOmX6z8inEpM18viBClToy3LyJZvBcqOq_LIDha60tWbTMZ0.2XxSG5VuAPA3tOWi3k96ViWvMaDL5JkHQ1B4rQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b2cd6f52f26e';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\/0478263915?__cf_chl_rt_tk=3tjtokScFmS2iwkcM.TFqAUr3DeSkAgMKzja25WQIK8-1739312135-1.0.1.1-QNnhpWJ5hQDrLANY3cRUFjTt37mN.CRPMlZWQFPih6s" + 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