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-269456925059.mit-edu.top/post/4076189523

  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-269456925059.mit-edu.top",cType: 'managed',cRay: '90f377088ac51785',cH: 'rtnxPU3BrXmY3GQjNqNvAqnFm.KZnJKY21_FWoJFJ_Q-1739099971-1.2.1.1-ec7BQO5y3VK3uTEzLseevOOu7DTcIH2zPqt76cYTvK9.JvHzkkZVVVLq0452RnWo',cUPMDTk: "\/post\/4076189523?__cf_chl_tk=SkcE9VI1TYM2HYChTmPCv2hLBKqVL79Dm.bJKMvSssQ-1739099971-1.0.1.1-o.HLlMXyOoR4zT9eO7.gmZNPvP837HGKlx3qVE_r7_c",cFPWv: 'g',cITimeS: '1739099971',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4076189523?__cf_chl_f_tk=SkcE9VI1TYM2HYChTmPCv2hLBKqVL79Dm.bJKMvSssQ-1739099971-1.0.1.1-o.HLlMXyOoR4zT9eO7.gmZNPvP837HGKlx3qVE_r7_c",md: "r3.M8kUkkN6uBc_1sU.v2_LF8nOBFnek9rmuqqPYnOQ-1739099971-1.2.1.1-edhy0TJudA.X1altPXhYP_roSMajXyAwzGuK8SRovRdso5EBevwI8JfG7QgxhvgJj6c8iMwLmxDSjOuysU5b7KQ7gluD0TbfsRiOwc3bwnivKdwT2FuY2B47Ep_89BVU0H32qSgRpxnyihuCjUQdR_JEG.VGpauvUExwrDlMnqjlDXgOkvLgpPkcl5InyEItwVxEI38y3cZfXrba4qkr8RhdYkIIXQ0BVtii.wJHBwxucebhrlUEDloD4jnl98A6VtU8IQq6RG97oyz6TBvpKM_z4aSo1W_D0yShFxRSeXSWLmBuK2afA7K0RbcYD6LytMBDVwrZg7Osue7DC7Ist6UqSzV0_iavwbxqxT6F5lZGN4GyCd2sqaZByY7mDDUW1xmiuaDdc4lksVyUYbBIDkiY1G2IWOrBqyrjmBTAvRfw3bQKPaCbMwQqrNJVXHH4qc8PvLe8zP23Htjhi8kyFgzNS2GKX9habdiYPEMy3.ug01xR7W30fEi0subQHhL0Ql2QUO8lhE7Ci4c04Cdp8RiVHygJaCVNt6XV1qFRV4TmZdUIR6yF1klKdVvGTqUA3oELVJ.UfVudObaytWL_M7sdrsMo8sact0gRsAoLHuYdnCtnImZ1CoBzNIdZKKpubNlg7e5Nq5WBIv865Nt0.jMHMOROoW0.D3I4.3PE5W47.IIuMb2W.sqDpKkw8wxHzW3j3AeV1PMFVwC_FWgf00wIdewrUMRIy.h2JTWOiGgjCyEk1c09q_myKUaD4rUpJGHhq7ipZnyLLI6bfHdnycZ5hHfhzh9NGKd82dvkROIRGovSWQ1J2o1QDCMrtkmNC1wOKH3JO9kseuNzIZKtw1Jg6bUoFYqQ3RN5701K9e92l_YTA3HPXJc70tYVW3bkNO0p1DFu16ueovwYUOnbzDLOHRUF_uAUP0_FdbY_lI914aHDR3jQzx4hqax1tt8hJmtC_oaavtHFvtIM4W6cm0NgwrWT_iFux0ejl996FiI9wdRe.U5tIJ8yvJiOgmZgKQUxDKVVqpxF_H7.aQYd9Tm9ijTmMMBkvKVpyg5.7r_39Zc7T0X1nwlHNOsb5aBcfeuf6uUnYYPVCHiVbkSURRg3d3Hk5w7pCGjRXJx3nIDYV0VqSyrCbFnpFj8xAn5zVPkmLUb8iA0nrK3VroOLZKQaeAWc4QLa_qzpNDeaYk830bG6PGNQgUNUdgkyl9nK7.snnkbJoaBAjsM_DyA3Ogt_j1gFddZOL4x002daT1FuvW3AlhQ5DLBSYjrUHkV.6zzBoapD6uMsyjFklqmNywIF7KXCeQkUG79fAZiwiFsG78cP_XBnUTSpsaZ5Smrctyw740pxHKZlSkfOb4fp4uNEka.jrpXVD0M5CJy1cMS_yM0aKU8e8vyCSzFytifekxhm5DcYgwLj1tYYDMK8.89CQwTAYN0h1rPEHP_shaRRTlevdGFNJgFlkUXAMgIWyYiq33n1aHtWaLrZ3q8sewraHlx47_604p2.IKXRL5eDZPwKa2FVGZTosDV0mimd2pICX6C6Bsw5Gc8p7KiUDBjoLpe6ZfNldvjdv8JU4ThK6.bcXX04AC9vAyi8.ckG0vnwS8eFPmGmNVVSmLrKJySHkfB41sARlFj3lRiZS1kq8LtZeMfeZcGWxwmXjGGTR5ytZOSrZh7iRLM1CJN8CPqoJQTyIeKuVnfp9rkKvROtK5BtUUKzD6QsZOxOYgwKj34ff0emaxFHBaNZj4jdZH.V_rGeKdcGl.VGJ7gNM22C9u.mzJ7kPamAQvLQGsWT6muWxwCdZitDETj.nQirI8OPiiOxrYilfyJLkPGWAKDZWN4NFI3UTbwQi5hU6xGo0bvJ9pOS_mQM.yIgD7lNmylaD5._Fl0g_6I5xuVdu4S2oCLWk_ZYY5awO6EDfjWJmScMeMkbMdLvERSMiT2eX1LXzRBtmojJA3KQzEKvCsd04kesE7xCG6MTzsbUIv7lOMbEc.mnnvogOSo9jeENFcZmOMFWU.RWtBTgDHKmhMNDp5iJdEORESAsgCbdJ41lzoxgsXo5KhW0DsGuBdKWrm51Z502rk0cG1Fd4m0sl.t3xgCiABQGdQN7uPZkyd1WEt2kEmBiNI7H20jmUQYvpFvQEYBsMJVZXVAh2h94WYn4Z_JehAe9WRanfKgjocE77vbwZuMtwXisDlTcb5QWGEPJtKPvhpiMoI1tr0XtIXe3HpgtciyWerAUbd36tmNc",mdrd: "c_sSRlguho9khJq0YqElzuTkWjyUNeE_75fgWwWeIx0-1739099971-1.2.1.1-kPUibvn4UIiROzixYsJyRxLq1uU11mtg6rd9TIJYXHjp4kwLHhxVeTaoycMSGTMu90hR1EeEGgwg2tN3axP3SMkn5_VGcZ8Sn6PjY.kZi4jFy24iIGTG98YkSLz3j35F.8QJ5bwBiOuZulIu_3X3ag4Jfhau94gbHIfybxZ4M0ltTLeceXdU7iNRFZT0XXV0G8QoC4vnnZpxzsw8aQHqqOa6IVWtYK.LcCyvUb_0_P4Gu857Qir5kOE_iEhTKy6evRqfj6SKzZlNB2l3Qn72R8O8ZHZXWlU65s0voibTL3rFqOE7z9StJJ_99dg.KpLn9wKvMmEkibdSlIiOxQd0gz.aNq7eV563c8OA50V54karl_8vlWr.i19kao6A9bDjTZBo5WFlXQVCUJ1bqYFhMxQFtuXXzqhIp7jheYucT_f5MpaMuspZFMbm9MSDOVEkXOFAGqzdigQC5AcSKhfizwjTner9EdQC9MhvuhaKV0UlZ9Cv7Qs2x.Yuljxch.oQaTE16zrqTooSR9rZPsBDlbJ2s8yOoZ4eXn20fOPjgZoWfdHbd3PCsi8mAqY9T8K9xpJH0nHBQIw.u3Eb4R_uSdxvexRDLDqCXzUmlIrfo.sQlyWemCVjJREBVy7afywx9jZEp_Lasyq2mlLD9v0zjzOpDyyttR_1ymU8lUwxLfFLhNlStXCGqEELVWbcqnmGHW_qq2yuGmbpPAfPJ_2jumXlAvc90ZV_ZXWUkSMSXGnPAoHQBjt0iBCmS9GvyGao2reGv7nQhU4ggkIE0XWczj4JxDYL1oyGiqhX4dl3n3K1srqe7Ex_7OvtkwG5Ko0DO4nyaKl5TkHcbEwPKSIt_KRqs8EZHfI7LgTCloULiRZnb_UnsVGEc4UFsNobGMsBvvgyTkSyLiW5dk0yncUHLHeX2gHMbYGWvo64TgwUzZaM_9DGGU5L.gVkn1Vs18KjNXaN10YTSOtBegxqJGDnsbhgIXgVKFIlyjDspFtXKN55FbzgqT6nNOErBOmCfgSZ3.GliMvCEL9Lvn4VxlsZVPkGT8H5HdwTRu1Pw0De_LURH2YODzXAYTutvHrLpLWeGonVQsxLfeTq4YCjw_WZZvUA4YpbQVfPf4JGb_ImD0QWOL7KZu9M8JBjZYaLCIG1ISMfy1cWie2EnTM5eU00ZVzppub80uyfnAHlHVo.29EVip_zTefe37.QHVRkzwFebhAzFzTJh9G.ymHzsvUPpNFOw6u_.KtCWKfmoO_WfGb3EvAH9UHpnLAfY8FbeZLExxt_RJGpPGv7fdOQO1v7mO39dJVPVRZKVuyPJ3aww9qmD0PkuJWzJxPoezM49Vjb5mf2Kh8a8fIqE_ACZxYSMZ7I2jgkfazMvEpI6Uo3h9mrUzjXm6C6AVYzKT4VShRd8cc3FGTj8Ytn7p6zALTSVwsXi2wmLPN6rcAMu.4Vwa0hayvBsCZb.ijh9HqOPvKztLykN_3z0QxS5B2dOkuahsYVSu4ua9eQUf4HsECcZzBzbRTLJO3A6Xrs_fMS_BWKV30oZtJquXnzq60mPyy56rehp6ctJFOL2orl32qD1.BtSGoaStbtIbfZrCTiaZKE3qNWlc6Bs5x0JsjiEuoFU9_2VS0Vdi1lBdT2iSbpqXWgnc5AYQJGhdE003OMf1O6izUpb1XGJqO_aRhwVZ2.lDoMLnXxTdne2jwMueiksnV3U8NLJL0CbcJOWzAlu67Cfkah3MwPmZjp3sc_VFSVz.MlS6B8mfRlcHp45hArgW_8vK1elG9.G10B2ZZHV3MUBChwyUvwsx9Um8Fcp77GhA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f377088ac51785';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\/4076189523?__cf_chl_rt_tk=SkcE9VI1TYM2HYChTmPCv2hLBKqVL79Dm.bJKMvSssQ-1739099971-1.0.1.1-o.HLlMXyOoR4zT9eO7.gmZNPvP837HGKlx3qVE_r7_c" + 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