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-418742650281.mit-edu.top/post/1605937428

  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-418742650281.mit-edu.top",cType: 'managed',cRay: '90fd0e378e963b96',cH: 'y0YHJd97W_pDW5xu8IEyTPRVUOmnRUqUzl9.4wrRlUs-1739200536-1.2.1.1-NSjZflYlkGG6iNwbRl8.RB6XWnqMjBlDOImo4GBqT276lLcbIYW3In9fQ6FFVEFM',cUPMDTk: "\/post\/1605937428?__cf_chl_tk=eyNEZ1iWfE7CF0WwAkbmz7zCaijmxpWITDTXYAb4lrk-1739200536-1.0.1.1-yLX2cyJoEoBtSAvWAUmAOh35kPQcY7gkEQjJVfEcF7I",cFPWv: 'g',cITimeS: '1739200536',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1605937428?__cf_chl_f_tk=eyNEZ1iWfE7CF0WwAkbmz7zCaijmxpWITDTXYAb4lrk-1739200536-1.0.1.1-yLX2cyJoEoBtSAvWAUmAOh35kPQcY7gkEQjJVfEcF7I",md: "S3pJ3R9zdCjjlMO2LqeTj1mbOqwuGWm5uFPsp41yGz4-1739200536-1.2.1.1-M_XL0lRF5XYWxMPtrfHILsotV.LrsD7i29uWw5bOA721.MYtRmwpB2xqHqW6O0CcFNVltqqZ6IqAjDzmeHEFJrizHqF3I5jJkMRQSMUHh5bQpCniX3Vj6gjoLioMElNJakeq7ogRzaib978ylkMipIk5c6HJ2kVNkiOPPaK9k_ldYXoz.IGnc.ByOAiu7jxzDUzOYst5Lr0O2uOQjUxuv_mmN4Qzcx.RFqrMPKQ.47p3hk5xmyFrloF1FQah6.NbC2bun9PXFuOUvAqFTofno72yVHHzoIyHUVKEU5Yy8pOnQNlNXv2OurHzt0DR1gjEA6AFHj5phKOP5XCYM8gLujeEaQ.DlBbChsGZMF1nZvFtwMkVh0zo0ycfsdb4sOOQYAbFoK3HRFPjPZHPvJm16cykjb5K.ItH09GPmZLYBQaLJ19ShXTr8_FnA2sHtImNPyBXgSW0J_x73OssutoBAmvcRB9IEWC0SRRmBB9Ge0Fd488hDcJIruiqEGtgDPXiv5e5wjoKPOATrhi.5rbutnDBjMVoTjx3w__SRSK6fnqVebD1.nOXro59dBSMExJOcqvDZTI1v1_8BDOqSGYUd8hrrR8oXsEj2OmGcqI1QMNpII_DbQg6x.K2JzF7czgK1_DY_HIpC7JwIKY0z3G9A9DxNdwpDCImdnD2GDNWqKFZZsGUOMs347VLeQHxq8_IO_FqypblE7_r8_b0kXx1Cnd3F_IwoHaYAE7u6RgvujcjVUdIwZGbB6jLCirPqzlnbY0Q.cPvLwsp2GdVi4z8j.zp1GoTGzUZ2E32VjWX0igkQ_qwugsLTxjtX2bbcmg6CpH0H7LpNLuDNxhIGYW2CNffGKqsh881.fUl5DZknkEyV8f6LmmfDHNsCmMxXNlPJeTJO2WqHY11iCeNo2lp1L9Qq8cbJTpGpdDGE9McapX0AZBSiRZqzn7_jowwnzj2wzBT__NKddAu2RTLgd90M9TwwBxjGrwGKklX6P_tpGBC_gYGL8U7vjL4MxQKisN3T5EWRAntd.sToeAaqg5mWO4iyUTkKY0pKXZbZaJjkJnZT88kBEtZ6sVS3GVYbY_TOEYPv9Ppggsnxc21TRUmVv7UDMDN8u8EKm7vkzBrMyTxpYmKOOIVgxmNQrmhKilb6FAgFQJLtkLsrq72sFt74gno3NO9tWW955ys_LDe55moTgpnjQzoEia..kTKXp7aTYksytmYlbv5H3q92PH198w.ug7mgCf8xiuEp7d1Sgob5fB1qf0kZm_if0rm5E4Wc9DNoYYasRIlGOCOUoHOR9yhyhKsMCUi30.BUxkddq2nKQlrCYRSwnFUM0hFUKIIYaHu1rFNXPI734ccIt93.g5Y9vNSjBkCebkX7Ijp3hRQapte3bxr81b4ct5Brbd.Yf0SOqekmlrJo3aunpu8AYAgOdxeYvZ6C8Txx4nnrol9PgMvi.7zTmRewpe.wDt9Vs3AG5nsPevcLKZtJqTwtNOOcEC8BDvo8IRqSWiacC6lckYFdd8LZGqJAnbzw8KVP1PiE1WmwqrNspmBds0PHg7k2BI3oQ8FV70xdWgMDeA0lcQdL2rMUaIRBy3HUw.ZlJ2psdjG_Eq5wxZuUS4jg8oi1A1cG2jHEu0aSBHW27bkVQivNNBBdej_kCVD_q7sst8V8BPqKjmdWU3oRb1AhS7Xus557UQ7QCGOMGyVY8yNR117OtS3D4Eulk29K.GsbHHO2fWrvG5Zw4UZS8obuPDwUNVOCIcIDQ_ZgLk3B5iAdlsVsQmRAsATBWMYo8wAIjfCYDcf.1KKF_pkkIbQdhHr7fYxHpYu2wEpHMBxzsBRFs_BXh2vkr..cOigOPFET5xzt71S2oYWjkI1YXAGEKSwc39EZFo2HxIVwDsUUcOHMzNM4nyGGGGqeLBeIEymjgt8bwDmNvrewqXZBbFM4JDIeRj_PWzv5gF9bIVDS3Roh77wvyOtZKHJj2rtoKNa_MrGyuGOEeZ7c6DgCdO.w2ZXeW54gIxenNJFWlCgYg5XawoMn_S0z41qfEE4mvbIu84sSTetTqcFIFFMbdCUCSW9QhwF.UHxS3rpAx30zf7NHtfb9LGJlqpDNVQ7mBRofFBGzlhBk5EqwwAXvgXNcHKkATwqmLjbz4FnaLAkaLaurDFN8alG82Ud8DmsXSem3T0pha_9fpvWv_ySc57VlIuKYdzqIiCOhskqLVzTqy4IKBMDPf2TCD5cSJdzBW7z",mdrd: "tgDgOcC7C9xddqLH_jmWxQIBe0VS2O6E.ajdelBrWHE-1739200536-1.2.1.1-LkUZVdiGGMvwpFAhVAymuSHsy.vdFOhVVD2.sXnolg1U2JbOc8ZtBs2YWrH0uuQmCmI94C8bazxhONXWGjLtQeMNxoWxhG8A_k79arKqJn6y_sTGTcpaeHih9nekW2XwDRw6epOU1hbtAd0J0t._c.tc81_CwILOyBYDm1NWalraUxFhjM0o3dT_zhM22CK_jBJ2nNYkD0WrW1jQCzXByoURufNwaxVYRM8P1B.U65AS0MIshJeqcR26HZHl3fcw06wDpMknPUVylmwFGh8Uh6fJp2MaOYqmH8pd54g7Ma741yUjnYezS0J2pW_1pYWwo2zJVO7lQKFAkuEB47p_MdFnd3eWm63BZ0yE_F46379Js_ffV.7SuYgyavqDnNN0Dp36WeOq5K241aFrJLMiiO._Q7FO0YsT4XgzU1n792SdvX5cbYg720TKB5r2syDYorL3TZy3BABQloGZqJIXx6MJy3_JnSirZP0dfkrESaLdqsqlV_SopCkEILC_HENcdHxkq38WBV9j97GOS.yaSbgQwIuRUVSqxGDSo59tacI5GUCnlqBGtvBri.ym_ANv09ie4Yl8YXE7hUORbcXVpEAasymyb3C7R.sO9OAcu.yWg.fHrQHs2vNg1oUnWYs8lqViXtUIaRTVaohEW4jtLn_tBGuNuHGM5r6E1wYDExhISgvvBv4tk0SJ2.ALkW5GeRuwohJc_ZidJ_2B4OaA048e87CpEQxgKIijzO_MVF0wgCkBKoAWp5T6WyXWiIreoPkWRpGWW1IoDr4KvtvvuzUwWBUFfrSib17Oh4lLSX2kpQo_yBniVc8r9EwVSTVaNKLMnb.MRsO0fRAtLeN7IyVCsz7Q1YA7ELE2npELempEPVIMxB3W5gIAr6bgop7b7wKVg6zs5UQyc7i4vNxWSlCG_KuqicAJMtZAKBBwmdFvED_1zdWIE1FVlzI8XzJyB3NgzZBqzH2Qz3NozMlKgDTexEJR2tZ8NCYGSBxS_mqhnFcPYN8VUm4nYlY9OGqnGFvqhzRATpu4JgpFvytvzlJ4MOOIBanlswGhEmXGWqG6JpIgXUpxlhOQ7hNhMFcccvDdtpxTNVZjq_Qg_X45rxSMmkfRvS_3BQLNbQKdiwDnu_40umY6RMeyYMxI7P9Xhmohqh..2Hiljd.aNKnZeh2zBVglSy8ylHbOYVpfuVZFAZYaQBiNv.DnhFuMTgDOqP.8jUpPH5PhEXlQz7qhazlr.7ZtPGQMA16JXOOdumdhJl770ewBrfdynldYRuY7RHogMJ58m3iEL1HUrKS6GfKAvJ.lI.fIg..5BoEPqgXkExXYHnv.J93KH8ishw6r0u4Yn0e0de1dd1Bvpy7d5RgoWRV0X5xQ66iDgdEbLSbKRvV20gEHYmm_uRjUqrh.ag.ShtkRv1lCWiaIZnWRfjsXPE6m9gBuY5BDdHO3XcYcNMJG_eFlc.n.cbzdZ1Za2anEoNoSQ0BSOqg6X.y_uWBPN.clp_ZuHYFPDBNwwsN3x4iHzCLf5aTuwVjZy8XFz63h0StpWwHhfprtt4q.RmqFVayLI5ZX2sNyWxIVJROwaxDaywG0apAO0k7jw68XEbTsZOmY0DmCkig9RKhtHMHu32cKibeKEwK34QFqY7Wg41n4zfIOOTEkSAa1OUYxK2qONMb9nPFCq7MytFAJhVwBLRjG4y1DJ3obhBTgHwSHpHwb2Jn3u7RU535IzcRMQOcWpjFAX2AToMBFLRxUOw2402wQCn6YvTCJ0LjGLDcAMfxATNdrwymr8pmpvxmntQo9AIogY50BXm1doWPEwUwH4fRBt.iS3NrjbxsmvMA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fd0e378e963b96';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\/1605937428?__cf_chl_rt_tk=eyNEZ1iWfE7CF0WwAkbmz7zCaijmxpWITDTXYAb4lrk-1739200536-1.0.1.1-yLX2cyJoEoBtSAvWAUmAOh35kPQcY7gkEQjJVfEcF7I" + 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