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-357553513251.mit-edu.top/post/8639402157

  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-357553513251.mit-edu.top",cType: 'managed',cRay: '90f7ed6188b3d629',cH: 'O_bU05B_6tqb_.knKQw6zvhGY7cJ94gl3PQKgSXmpoE-1739146762-1.2.1.1-5MABcbx9hB19uxKFAJuxF_5Klkp2mXTc.y11_G8crPB4_MSQ027Rd8g3Ns8tSwj.',cUPMDTk: "\/post\/8639402157?__cf_chl_tk=nHvw5qEAjZ3T_RM2RYSCGHcwW44tfBsMp5XkhT9REr0-1739146762-1.0.1.1-ROEKDKxBjkLMnjVyBFVLKZCHHDQhnCTn15Kod1GOMaA",cFPWv: 'g',cITimeS: '1739146762',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8639402157?__cf_chl_f_tk=nHvw5qEAjZ3T_RM2RYSCGHcwW44tfBsMp5XkhT9REr0-1739146762-1.0.1.1-ROEKDKxBjkLMnjVyBFVLKZCHHDQhnCTn15Kod1GOMaA",md: "JIv8iT6HA4ycrqp7P7NXJ4J9fS.s1vDY943YY5OoKsg-1739146762-1.2.1.1-krftTCQYuadSaS0eRpmodSZcukko0F.1mtECdBWJ5QJ3Dc7NaG7d4ANRaX2fbQpu5jyFUshyiam2sO2abAlrD_0wVJjILths8l1RyUM8LsUTCD_bqAKxIQtYAkB2CTBr6QLYBcgqoiqg2pKG5RBUHEh0jJn8vI7soP3udrm7wuBCNQ_qGf1AuGntCCXkFdVvBIpcWrjXEa2g_glSTq4Wojs83QBcWhqMOrrX9QjzRnFVokl9R9XFunYvDU.UWPjzRvg4oCpuM8zzMvWctwxotDi.nCGssB9AK3KP.u_HT8zOWb4X9_yE6.4KID1bBBr5SOLK52T2QADrCZ_uGiAvRnkTZ8WVzUgOp2XIEnLfkzHrEoL3WcpkK1QQkUXoF6WPQ37X9NXRDE87Vd5Sm.j_EMk2iqSkHs5F7_UewZ5Qb.67gA9_fQKzXTIh7W0ImBZtmqP4EREhzP2l1UIQa04hSFjSVnHe4fcXiakHFB_7rOvLn1U.32Fvck.9h41RJn9XpxEfYZEhD2b4y2AgMO7AmILX9BedLMzhZZITZq5SRYg.W0XRqkN2wWsMWA7FdEM9i8DYpClfQ2gDHZvgc69BPm4Ep8POr6a5CQN343nHvW3Bwt5mwvROQ9SbPsGxgNo1ZRnnBAC1_Kas_w_FP4i_q9D0DodEYjvZfJcpUMnJWHWGRNRbC.HE.8.Xm2Clw6blfdJKcfj1AN5Ad4ZOAhSBrTsttlOoQxx4o80zLJhgzIgna7C.f6TMnrhUcdbCcNOeUFzN1rvNQSglKQlQHAmuFXGWEmbc.8z7TyFxYMnjyEzuSRPN0FNg5yT6S1UDq6BydP0TQfZcihb0hz0DbG47pfVK08FHe2Y9Ch6bTqumZfxrBcEompxpN98828M.lvQ_lznZC5uHFLvOrq_u9ypzlrsV2BioYYfRwAUtqZMDq8LPM_afzYmEdkv3.vROWa6Yrw8i0110ZGG.7D1NsgUQoon5eWuZHlK7mZHp7QiEzWSAEvWmk7_o5P8kU6p854l1zpnnS9bNvyJjf03p7q6bXdUn5y__vjYZWupc_xV1d6jQKpU5Efo6rCLMX1mlIfYKhKtBBvjfvcKVDzoTw0cA8_HU8FeLSmr_sSNqJM.ex4iJ34BIkl7AKs73l0wSKPWArg6ncva4m3P1VVJGyXMg1TPXXDr_EK25mxRfLhY9nIFKoQzYQeXLdN6VSzmQ_d7c.nn.PeK.tyDOrvvnINBORlBg5wdz0NoqhRky_NOPk_B..POg1fledltq_qP2xOAVxNIzq8r_vw.FPkoyoMnChfJoRwylnlq973MNSgrTmy6GSiZR62MwwhQ1KXt3LrXm1MnVzZJICJdVkOOoRJyPLNbxRYkc48ikx.n7x.blPVv_04Mq6GndQXV1EnplrxIOYUbb.UkGtz2rnOAZwtj3QsUKGgdVkGbb8XdUZWM23EFOfnicnoDNs1m_QVWHlE9xn1ifStDy_of1CGA31Z.dAd80M5mAPjKchgQj1IWt1lqhntj2N1Ky6LoOJ4zZJY0HAHYTjtgAwmGBdvsyNaLy7fXizlrpX0LHl32Mfz4CVZrk8lSCEKt8O46WRBxlFe0oNbpxPm_ZR.t66pvpFUmdGQai5L0cbZZnTwipfc9M.96B7p_iWWnY7YnFLBO6ib6IO.W8mb_bUFV2lEVSFBPMz.nSEYQCigEdOUnFnhtJ9V3iyHl8j0x77izYrmDnQOZtrRuo9H_fGup98Ah0GgQ.Wrdrd4PYs7rbLi2EnQgHE246JfMpA8YWGmBk3jFr9w_fMdm8iEmMjAlKdEQTLCX19Kj7M8g2.oAKoYbQzKb6IabHxzmvNW9sDkaA71sG.8RZGE7mNDyW9TTJbWqxsxyBf75UvigPzt6mwMDp58B_V0UcuJou.qEUBS2i9muWRv9YO6FbN4oXEOJHHyIH7VCmHcZxXGz6sgnioknszrNkOvBn1SQOXj7z8QWwrsyDGXuVor_Pr2_cQi5jPaP6dja8sl7vHJy05HD5rMZcc2P9voQ7t_FRwyd9exfjoN4A1mxW6vIm5mU6P4X4LsHBRRLMeILQIb0lQMrBiKtL.rKKbxThn8oXVkZKY4smtxhniq8wq0xZez5FKZAPfycbpjFdZzsiJtoZfCMnIspvkWwlYVBgJk20nuu2Ar5yHH5.YRSNCnwHJLnXXc4j1zm89s4VKvGKxXCGQnpusxD29UJm3fztq.3ZlvDmHoygmnrgiHxs",mdrd: "5srb4UwvrRRJqMamt4hUG5KlQndNcXY.inIxGanML5Q-1739146762-1.2.1.1-C1GHVH9GedTAV7B3mQeQ_RJhhBwxzyGBcxMLu9_kK4GJkZsSZLXO3q9LPEcFHLdoxZYwr9rrzzhFGEexUfWMryxoPYffziCSxdWmrkAwRkkA.JQB7G8s2s7dwfHilgiZufPypvyTFt_LEwl9ru8cBUrCPxx_tQyEgbjS4rrSlSfh_Jc4LCz8ZAKjaGCWPxtlVBCYtxb6iQOwZXxmfmyID5ryMFdMPKIw34TdaOTzGW5VkecMJACoA6TQN2su1Jdrut4phq9z8lnTSUa2ZZnX54ttncbl6Uxho47DRKA0yUael4.R9Lu6aewNHOvfqZoW_WwscpjZ1T5VGNImw5sUJNSkgk2Wm.7vz.dxQGq9JyYeWX0beMAUtanwU4jlL5hTbeyHwjntN1sTA6MXuPdHODVP2U1gC4JB_gJaWTz25OKhuSIludh_F78hOOeBK71eDK4LEZHYbTLs7qNzZpjUhN0GsfyI6d.GvK9qlxq59e_d7ix3PjKlVhCQ6A8KLxX1u6OhaOFgYi.BMCwELH04Yg7Iyc_ty6BSO9ojm4pPWodvFgPPYtY532Z2C6j7YTU6zg7RelpGhdjgeuYqgxxX5dtekJ0b5iH2tuKqFSXAi5DxtTKWdGZN3x8tFjckVsxDUPbqrvWhI.ZxxOvojYZ.vMYb1fiSKz1gE7EPuwVsJp550X0gvOeTAYBdZjerjCJzCjO8q9Q1EOxxIaDysDUBd1KNgLxtQyxVKNj1y8bWjYIhle_p1E5tFuE2Um1OgUrnNYJhten8uHYpg8d4IEW_Y.DxdqmylYZBHCUXNeLVsF2QKSD8mFR_8F1LqqqVduVUbYDccPOCAA6qWQXI0HjxwDJK.RiR40uB6ChrCNWkqKR6me62CBrMeh9ba3kFOjVn56WSNetE_tAjJ7hwUWjQa18jlcaL7KJU7euO1Wx574.Xq8wgXMYYda746WRNDqNzaCltwNoVX2pPgu7pU.MJ.xZppzz4qYW7deq3w1hIAlJywfBMGowBL2R9gd7MiC3umW6BfYyBYl9PWPrPFzjaUrQKL2LD8IP8FBqVMJpOV_dD35St8sHreS6a3hYzKjDTIBq2VsM5A5XDhqyP1CZJouh8_3xMG_I3eQTwJw7UOBnOF_Cv0e.UHAed1R77oLOytJvLHoO4ZDBs1Fo7k5fMlYG7tq3qx9XFwYb63GhKVCWyJRdGCue9NVq82VJKOmNA5UJc74I9lCBBCBdwqG.Z075Ec5bZgqNc6zm.2rocB87JeZIgQGWT_MUOf5BA6hdDjOgC9uh3i13UnQ2Hft3l4NTPKCbEpc.hvz7dwbHtWl1EkuK5R90c5b1mzW3XkpKr3g9Dmb25E.WG7td0YSlBjXZn25UGKRc8kPt.EsGQKAAUlcjulOmu4_MeuJP7QUSuqQA6qsf1H3VKtGNzhK_cPagkVVs7k2i5U2SMfXk4Z.q7nmiLusxPTE7up0FK.m3qqrjyblHhJIH2sI7G8O0gXgrZNvfs7MbjiwTfNACE0JxN6.iPCBSNTKwSH_AYYxBL69.e43QRMtbb80Lk5Koc8iN.nQMBrMu.7QabN3WWqP5U8X_rdximnbYN.UMepHoJTXDCDuD1.BIYivcScKOThRJFsD4zxE17yTjlTncWv5BvLWNjd2JNJCC1cfzLlmI0eNali_rH.NznaBxG9gUK0P2vfhc.QtcI2QIDs6oxcZOYdymVy1fC1du_YlJ_NHd4XbR9L_PgMTK4hJsMW9DnLSJ0Eq9rpuDAHufpdWwSOr7Hq1GLt62i_JKgV4pf5.FOzFDskMZYk2pbFUuDLB8UN5nGQ8057b9bRrj2UQg6sVM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7ed6188b3d629';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\/8639402157?__cf_chl_rt_tk=nHvw5qEAjZ3T_RM2RYSCGHcwW44tfBsMp5XkhT9REr0-1739146762-1.0.1.1-ROEKDKxBjkLMnjVyBFVLKZCHHDQhnCTn15Kod1GOMaA" + 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