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-aff4a7emg.mit-edu.top/post/3985021746

  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-aff4a7emg.mit-edu.top",cType: 'managed',cRay: '90f7a9d45e9b29b6',cH: 'V6RfDJYxku2ww62GeNl12X53xh0ldVzSGyn38Ijc4ts-1739143995-1.2.1.1-juPKJ5UKvk4qUi0V_lGmDY6VvJ9rSFiYisjZ.CE2sAPLgG7ik1h_AqYhVBoUh4OF',cUPMDTk: "\/post\/3985021746?__cf_chl_tk=.JxYJO9J1er2iLNtR.yCTjwbWo47erkaMKr7wahU9l8-1739143995-1.0.1.1-tGkujdgQcsIW08geRaUJceV8bFlP5qli4VQe_r_UazA",cFPWv: 'g',cITimeS: '1739143995',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3985021746?__cf_chl_f_tk=.JxYJO9J1er2iLNtR.yCTjwbWo47erkaMKr7wahU9l8-1739143995-1.0.1.1-tGkujdgQcsIW08geRaUJceV8bFlP5qli4VQe_r_UazA",md: "YkK4zhtUa9ik2NMnly3.6itVGrlTke9WU0F_9pZcsfY-1739143995-1.2.1.1-c2T8aKUPx9rvJg4rLFqA3IVq7THSNV7bMRSAxmyiShOXJ76JU1h6UZde_aOnN.lwG5pNb0lMCJqUm78TgBVz66o7AI1nGTIHK_1j9ZpZDdhDL5hQYrPTNx3VIN50lja09CkhInIp0bnH3hPrCLtt9vfyrrPPJf3kXu97ZiexOLCstfje004LZ73d8ZKamWDDO28V.EaW.FWtfwPdWeeHg_0OhchNmWx9yD1ppD9ZO6TDOXqLKI_vENDz59SomCaBKJc92g5ETNNXhvBDlK6L92jLzLrAXyNg1l5OOwTZgwlCekmhimta0y8ScRLzq2L31rAidQwD5Ks1C9mJNZfN33QvMOlbpfVeNFSbrwJ95nZqlxrArYOjUfVQr8byjZPKaQNxElugE3bB47k4oyP7KMIcUpDObURCmR9vGpaNgKgUcd6MZ0OE.urr1EXwQi36FYFIEpO7yawBxygYRSQS.2.p3SeDrHUyHEfG.t_5OIMWTmCUyssEEOQ4JKaQCdLV9CXfgvH.ollM52HVan3GSCJwlqEQpIHWoeS_RjaxTdCJsqtJkPkJwPNng_ETjJZZy42jLyxU5gZSHcm3CMl8cYyT8t7.lY8aqC0uH2vn7OzDSNTtgTr9K7UMJS7WElI3gpyl9Kbykjd6LXAvLV64ha6SfQ7IPHkxEyzcXqcANQgbTVRFa0in9zWNWbGSXPzWxIoWXHTpZu9.3D8wlX1sPlKnk0vgL8XIW8chlICrn4PKkJzb.iSdFyFoEX7bbRm6UL8if6l5idLrvLcCmRVaK0Nw6AsVSeJImKsVAE_ikzDxlsk0nTrtleZdp7NiOZ3d_xK9xMu32RWuFTx2rhJobSfUUAm3BuP6icX_scCwFz.IaqTuoQzq2W5sg.w4wYgeVSFuVU38cr5TMsncr_dleZ07JvCyTwj_Shs4cLKfP.QUakSLqNLSm4CWkbfMvvHYyxGjKe6hIDnwPklLFtvtijZZNIIcr5S7lXmLpb2BT6S5CW7ovPeI4U1934Z9pYVRQ7NgUXE3idZOBC6DKuxzi9aP4nlzzxpnLx3jtPkC.6nXilk4sGlC5s.M_j.7apdMy2mWV2u896OgpTLSciqAADg6z3_WyRtszvuSeq1UIwpaV1gXPJ4iGyK0anRtOtgaFT7157n9uaBerDGz1uIwOS224QgJf2HeF48ivSNDVkY0FfRxJoNXNa_j3RXLGoDtPK3CMaZLPn5ZnyRSHKffosPZmcVGGw281pL3BSmHAN0MiVSmft6gZPupgZX9MflI.5MuXMiwiHf6TdVvu7nxTYfWQgv25OtmxOtexkLK_YDpdXdrMtRCPLLdSoXWTpHosRuFdQnNddsSIjgRO5GE0A0G3Uj0IrHgfPeiRrnKGqjxL22.JGTpWGH4uhzMehl.K.G31wpK1KGVNeqrJKE7OiVWg2x7KjwY7JgaPt26EFMj1OQehKqGo._0F6BNMGuU6KMi3Wcf5qmGtAQ52kXUcMHdszGD4fg0khyBAoPde09RHaU8TveWR6cjnIchA9AgWBuz8Zke.2dLDcROito_OvFleS9riTgFrEO7UihZUiGiwLFnToyU9_6wLrqOcWa1YwstEi1ih0YAi2Bgnwbse_nxO.guuvfa5M7DpbLoKx3s.LCU0wynEG4RH55sn7hJnEebK8YQu5poSwy09Z0BmAxK_es5Pr6phlUulT8gZCOlhfDD5S1wQ0careJhiguz6OPbKaIPG8VKgxeZm9wElxScPM1l7nwixNwHuRd1Efgz_pGhwVd8aghieApkoC04kUXg3WjK60lx.z8en5x_.N43Gi28g1hMFznpBbq3LGoMoaVjnuOsC9k9TBzUkzsK4JZJIlEdk0zMCp4EX.I1rQs8_7ZC_mXSc2r.AjX4e05dpbRJPU5ux4IhUJ1S5wkLPmomMKUdCZgTAHAbkHvmDxhOg.IepQjHHdBMXtsKqv.AD0cOlSpgnSclDRL495F4t0XNrSgMNSEFanC_ovB.uxk.XBDETQnK_y4Ih6o3eb80._mfXH9sjNVq4ZhmeFNhGeEUG4xBKQidFkYr.slETrJWJA_Ns7aAfPKO.Z2LNyPZmTN_Kbw93OiUTnFFxcq2V5APhe09WvBlTdHmreeK6C_CCG3MaRDhx2Q1Cv2nYVYWJlFLdA4G1zB81JJIjknH0VdL91WcrmPLUySWB4MGnR81DItbJPVJsoMOhwmkNVdIc.Ut.RAHBjjmQUbvokcq",mdrd: "wTd5zHgSkPcXAE0eQmZH473o64YHiHBtAlWJJeboepA-1739143995-1.2.1.1-FliMMZricB7aBshTrL6YTUHqn2QUGNzT5nFubw4zGly9Zl14PhBYz9HJbK7U1_PnP6ioqiPSYLjdYiANmAuhKx6Zym4XspYKOQAUdzYRPcTFywTveuOnbirTn4VvegvkNphfoDZnA.Kl3PIplzQ50BdKt6ajl3h6vre2rsH6P4d4JQHwTnTTse_IaQeT_JuFvs4u7VA1OmKgL6tTEUJKpTqhE0cCd8RzNzT_rMLNM0Lj.slDNVLm76t0y5tdbLNqNrlmVhkjs9LgoeqG_AjRgRoHdkQVjo_Jc7lS.zwQBhWSQyREKYJwPgBlqVq6F474SBVI99uI8FDKd82NC92wZgx3PHw6irEyZKluXV5k1kSwbf398bgeH0NcYLYUpuxqzaOPgvpsQjE4h1K8FzVwVJjKOf8m6WTq36we.O_zv8SYCTVZtOQ92zr1615bT7sSHyGrgazXLq2WdKqHZz.rfh2QFLum1MLM7dJhz_3MZrFHmdrHM3TD7SIMhP7tbMBd7v6sIgGtcrjIdUOCbAYcDIpONG6XZDP4CDJwHpjmn.VJ6wXNRUz5J6NBZOH2q5gbxQBsiBM3qTipQNloKIH6EuPy4WOb8ya3expNAu8MCH2iU_bsdHoMskD_XSEamT3M5FtLPxX7lXRiEMuA35MGOjrP0raqb5z1Zu72eNqRR1xmthDWoNtfjunLembXEPE1LbVZGDzucynrYl2LmN1WyZyt1Nw7eQY.K1RuxDsORTCb4u_HTX581MDWXIvKPodsKtm2bnSEkpqdsoxBi.yIw9lYpKENvSDn2JNt6gQ4pa8GdGVeQ5plO57aOfIVNCNoWhxd.q0OQk4FLPqEi9WYto_e0bYdwvBc6gEAqCefDzdvazHC9ogbXdDitapFF.Dc2GZKRG.Tl04ZAw4Wl85JWBHBm0DOkWkrEYWXCsGtBpvI7rHONuhlD0EfxZPPD4ge.TgM25BiZtoE6WYUI4WEsEQZoZDJKMd6omuXZKmBkjjYAAfddpXQQ0IKVNWQm7i8ezFqiKHU7xEKCMPp.3OSRQyQNH53Y96o7_nNyjsdBEb0WPO6b7n_7uj08Rp6QFwtjt407MLSkjmHMhdVhyRSDOhxW_YlWbdMA848fTpVgZ1hFbeGD72S18BuMAXSbhVlbvn6X8L44os5CP6adXNIIZ0QyA5UF._3Iu1u.q4ExI2pE0tUPVe0IBLjPqZxa3oju18dogAUeFHHVgAbFdDX5DbFLGvGwUwzjZedBGYUfyLWkgBWvGsTPIy9W0T4NcQM7u3JHvPq.wONkl1lBfwaQcxuv_rDfXWCWth5cxFLt4dckwQdyWyMwOHmei6H_q.BmfpfZKSKQ6O5HyGo8Qj_edJ3niQJ0QNaYRTi4JIHivOieZwwVtjWqkao7YEaWAoc54d8BcL9rlnakkvixI1W.7bBvWpxOPc0IusjZ9oWiqeQGA7iCrUO2.4FrFsSg0CTvHpgqo7pTlOCWGhM2CdOL8ZourjVMni5IKAsKaYxTc5V29TV7h23mCoPSumCz21w_EtbeqX6KT55kKguLB1r1uxqj4j3KxtlKsyT8pvRVVlAzRaZJGShjVaoVu7FvbNw1yyYhLt4WDYmNwPzmfjcTWD1ymHe5xJO89srOl5u16QCsIbh3w_nP7kU6PWvcQ_1TAHeTxsmESib4fpogPFLWUpKoPpjrb3pNnS95f6eCUFkSVd2L4HoryGJih_NsOVSKK.cK1_vBI.YRgkw9zApgLzqT.OehPSxy5HBPq2WRhq32WLXX_s0o7yY68CDbSjMps6YIZiaJvqMV5l1923CSCuC3t9YMj_Kk5aTAEi9Pc0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7a9d45e9b29b6';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\/3985021746?__cf_chl_rt_tk=.JxYJO9J1er2iLNtR.yCTjwbWo47erkaMKr7wahU9l8-1739143995-1.0.1.1-tGkujdgQcsIW08geRaUJceV8bFlP5qli4VQe_r_UazA" + 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