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-aff8lv5v1.mit-edu.top/post/6891457032

  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-aff8lv5v1.mit-edu.top",cType: 'managed',cRay: '90f616a83aa959a3',cH: '5t7Xf0a.Th1tSHJ6JyFcRGO.VWp2W3QTHFv0BTZBc8k-1739127481-1.2.1.1-0_n7zES11ir9m8MKu3JwrS90KR9vzeyzXhRcu6iqDAdXOp0pkYm6rkQ1LAam6S2P',cUPMDTk: "\/post\/6891457032?__cf_chl_tk=hNcjYQ.Z3.BhAlLv_ceUtFxl6RYJbZ.nl1QdUAierNM-1739127481-1.0.1.1-au1skC9r39.YKe8VdqpRWAhb3wd6NDdKtMgt93GUIx0",cFPWv: 'g',cITimeS: '1739127481',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6891457032?__cf_chl_f_tk=hNcjYQ.Z3.BhAlLv_ceUtFxl6RYJbZ.nl1QdUAierNM-1739127481-1.0.1.1-au1skC9r39.YKe8VdqpRWAhb3wd6NDdKtMgt93GUIx0",md: "sGoax25i1cS1x1rcoTP3EPykwa1ULWr5Gx3_ZDMAoOc-1739127481-1.2.1.1-istPQyyfG8TJZX8fpXJ_0svOrs6EeI69x8o.E7QGQHYV8TR_1OM51U6VJ4ydlH0nOYLz6lkj1AfQUMGWPBhkXLAGZKtXK6MYZMAOe.2nodsUCf7I26v1aSGrKL1HbM4eL1ZYuih16Jq_DbqC1aMz1GrIMoueJhzQejmIhzaFNOJKat4yLK9NHNlCaBqOaQI.CvcRp5iVyjG66W1_LeTYzzBgwDmBtaFDBKnvyK_3Ck86Drun8yeX6OHFaVlHKMoWw_cDFOQYzQyTyh6l_cuqRtsEMJPEDj79vDVmOYIJ3MlYcZAawLO_gg423HKTlZ8hKssa4W11ZGGgQGKoR4lskFWPSs1bmSS641BtAjWRCLn3n6BBWq0gaQdpp5W_LaAzRzFzmqvBDZJx8BykPXczfjtinOcSkNQ57dIdzw1uuAhhum0ptHorqHpp8xl0oZaDwahp92htU44y11raHyILDFwi9i77ec10jXs_BRy6doM7Mb9xErJBi9rMyBSE5YC_EOOX7zKtz.IdcYXqnzAW4rharskmDMa7biSkgq_fjMv.KtwvMWCrdM0rUf0sNZfByA740R8E5oX8LGbqA.CxdebTMVD6UWvEmNA84lpSFEsUJQ9WiZAKKK7cfyMk1IAOEv37.E0fwfyPlwyktttFoZvBoTGwJoytC_wUUWYIvCpqnyhkFJBPAk7LODccTb28oZMxrvKWfP5DUrktGWAyKtcZEkrbJniecYN6U.GRy.VIQqUqa0ge7qdbc5EFK0Ap4jKUbpGXeoYFP5tCtP7NJWI4DSJyH6WezIhZnybt7FKDowjeZIDJ9UaAM8FjkRbqyAFTUm67.i8hXJlff45zFisKi4heVV2EQyguBYSo53HY2.LsN5clfSKVdS4q2mIEpjgULzmUiSp82JmXRo79tiAjYC83gDee9if1A_lnr1C_FbTS9umMMflGjwJt3uHbi0tui8M01YMC4A2GnVGcuvX6zgQ2xgYJThXTXcehat8Kq8hfCBb2sm20EOwW2CYu80JeRmdY.TLi650IDt1vXGzylV5JFOF4v_k54vcJNxtOoIzCDOHOYyK9EwmZFB1yb85JE.6aBE2clj9zCpIDsk7ecieIkl622rrVj8NLKW1oBjhuRY.Aj9eE_N6X5WiKrlmaeccbV3s0rnZmKok0N_dr4LMU88oWoSFATd6EzvZDQU2ico0Od.PFDn5JUGa_GRzyo8X2NZS1Wmh2nJ6aTfAK1GDmwci3st9BLNQjEMNNxmHAwX.yitkDmFHXW3HYzcd6Pru2XmwJgpc9LZ5.FSzMzEuHFTk2jXDBt17AUAw7SYtqBEQtsvz9iZEqCE1PHub7k142f37Qr5SzOSadAK.yYDevbn42R41iB9r15BUIUweUZLhOOuN5tcpd7nCP7T7j71qQDWxwp_2hfIc_kIGfMvdQSninQXsweZ6.1wJs7Ma10jJ9JtwpXPEzi3LUTxltln3Od.Fa.np1k7KM.brkuej_L4MzZrl9IWMJnSEFV83B.wnVLbJTHeDATiewMcRYQ738_j_kksYlmkGibJOn0M8XjKPXOvWygLyaAbccXy7AiJh5h4HxjO5CNvMb1HxekCeJcctDp1fL9bLD2cX3PhnnqWGMfo5eTD8vjJMr4AOz9ht7imXWrV52._n2w.swocRb4T1nKYR5f5HtD1QUtMm2BkrJb4cpmTKbpYyxA8QaxHjG8agypp0UlTuh9ot8csDrvBIc96L9khLIWkVH5bDAvIsdDsvnsKGUXS_fqAyPhGkE.qS6AVCtqrqChpIB0ZnWvt4OrPkXc.PakITWCkF_b52iqTgTTcz7m_JS4BwDaV2.gLabCxpeZvXTwuXteoCoGai24SY91QtCbGKoHoKDWPvvrWj6wk.OTcFY7F08Ec8Z7RuEcD96cMco0Iuy1CW3FkiWb00M.yIlSFrlYLCCjeaGuKtyZkVhGVfSaPQg9yQ1LTdHgJ0sd.dOoi9QwBzteRngvq1BXCU9qyVvbHr6bI3H3lxUPAhm92ZXC97H5IB6_8NtHE8HnhtG4j.F32eV3ZjVqOBhh3Ryv151y2GXaEb.6ldpY4RGaEmsTVs4_8BGQ88JahsgvxXUr41Rnn1iiu11fkpE2z5YHGFW1kmgNuySZP8l8Y2YwgoAjDoFVsY42tUkg6YZDou5TTlIRd6aH0s1qnqwtLhRdDAkQOSFygQgp4PxY1DPhbGN2InG7py8iSafsVbMPvrU",mdrd: "7x6Wnu3e0lim.6EtyitIctlpLIP9._8k_5YBmlnKx9w-1739127481-1.2.1.1-oKAPlfbn0knw3KJwPdS_gf9uyOkT02dNARN_7fMcONUGqs2fp1aSbOzNnyCJ1LT2tWBsdc0RxG0I8_ijxpKqO6wILI9eLvyIiVdTskvO98yvUkc7IwMuGKE2GE30gkkEpfHO5mGXyKqKzQF._XSCUxOxO1h.FQpShlL3rxTqK8BDsSvM0trIsn4sSHia0oEUeBd25xZKnPAhjS2gKlo47SY5UDezevu8jnHYlulq5JO_StA7mD64hjABqoeLaCkPjp0YJWGbKyVzAXC61B0LA.sTFXMVGvadrcVRXqzqPsnh0_yiNhKXyTg2a.dfUcqjRVIZKAwK.JJWHDiEnerX3r9CKXcY1YJAVbL3zYv.nReZRtKXC.4nQO6IHhRo_rxqVX_s28Tv0W5k.Y5_wLS45NT1mwhHnBUD.LP59RMz8WfGNUqVBwCDBvHBJzkjS8KViUm2ZYegWAO7Szi7qQN6M0a4fdsf6u6gYf8YSdz.nmNW6U4Cvjb49vUbRKRoJ1FvvpWqe57RCXDRFHa739ewVlMCqbBjEjldRHv1Dha_x8SEuu5VCsrLQ.J5EGcgZ_Pbrdlq8hCZ4OhibDWqDPVtdiEnKfZNsDIgXhO2VKaKHy1RrnjF6VyqG.2W4z0MRc8ljf0L3i2ZtSvvWnwQc9e6JHCA1I6s6j7tAYC1NPezJ9rmu62hqk8ZzsngZoli2eQnD_i4L2jSkySv7p1MN87HYXAZNShGaOZq.J8W.FhfCIxIxuI_X4LB3lF8l9ZSXjDOvacuDNR58JZoJAl6y5Ela9.14wppVffBv0vq30uvsXofGwHQ.P_JvVAIJcc1BRgelLZQ8jG98oA8cf53HcQTnbdgKAoNxa3J2hlz0g5Gu4OK7Dbn.5z5X9cQ010c0SG6kbv5P9kz.m3NdtYSbj1Lx1PhcrDVbG4MGEyhYmuRhhfffaeYQ6i4DK6qx9cZw4TUSsnFwfH3EXuRygDmG0hFnhTUDYydTp3Ucv9Qw_fcPLE0bBk8b9Z1DICb2eqoDlnlW.i9mW2qoNXMV.Gfj0XT0EGVdya8YjbgrjVZP9hJ1xtbvruZWnIQlSYwllAY9wG7bdrZ1awgElRl2DnMUe9BYf0e.TkTOnGomvxBNVMknrTJvrMGtBjqN6y_M7tEoCPJkdiPLA_rTiwWC3MijyFqMSro_xY_ql9xRSyW4JaYRmjM0oBpw7lBnS96QTQQLgfMJrdgBDKodVVM4YaeGMZRShjBXMZKXICRHkxs4XulA1jkeQhR3g8EKGEqRxuUYveLMsoMVfffJKTWOgjsJRytMyktcA0.CZ1XOkIloT_6WzI6fDLPiRnCivpbgzaz61EQpFYX5fa.UXpI0zO.ReVO17Ve1z.eObIbHSfbzeY3W1RSOksidRSADH.ormJm_90Ux1q8HYYOj.y7yKewF2GZ5bxaawRlhqdUZ64XMmuYxAkKZCkBQOPaRC7B2cRHQlobguD2XLVgMK0A5jb8sw7M4Opq7sjY2G4GL1SFTV4OrD0YYlmxeMEQGIM2tn94Pm7Pt85oecWwhm72pNZr7E3O3J4vgUrH6KL7yoqibvZOvvkgHncPlorFcXzkA_MmET9yNN75BKmJLQHO5eG0nMsOnvU7WxsylyEjPVee7.yCRayRC5hHMuJQ1JZI_GOt1zHeqxKBqwdL3jDRYkE8mA0chqtyfioBq3zwpsAzx.ejPUuKoteTqgy0NLzs6wH_8aJfqlE43kxP9qNk4qyPspSceoXuij5bX_J9__bOApTycF4fm5Syub3Ip2cz_VdAApT1k23vL_m27pZKObeWZQxLDA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f616a83aa959a3';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\/6891457032?__cf_chl_rt_tk=hNcjYQ.Z3.BhAlLv_ceUtFxl6RYJbZ.nl1QdUAierNM-1739127481-1.0.1.1-au1skC9r39.YKe8VdqpRWAhb3wd6NDdKtMgt93GUIx0" + 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