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-543021936907.mit-edu.top/post/3869017542

  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-543021936907.mit-edu.top",cType: 'managed',cRay: '90f4a102cec838a0',cH: 'GfWVGJwvJJ3S_6JG7EQb6Ida.0KFd1EIRVN2DrBuNdE-1739112177-1.2.1.1-gFkQtgOJtucqKaS_Xc8ShfPyp7vl5JviWyRhhBY0PnwFXj0HcHcv9nJL.1E0T9Ip',cUPMDTk: "\/post\/3869017542?__cf_chl_tk=YSFSRvpdIth4tkD8hGkf8VZ6sFHwzhDQHhZPpsgNsfo-1739112177-1.0.1.1-pu05KF6.kJq0259Kt_Sck3pa2Ddx5xazuswIap8078o",cFPWv: 'g',cITimeS: '1739112177',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3869017542?__cf_chl_f_tk=YSFSRvpdIth4tkD8hGkf8VZ6sFHwzhDQHhZPpsgNsfo-1739112177-1.0.1.1-pu05KF6.kJq0259Kt_Sck3pa2Ddx5xazuswIap8078o",md: "SjXfVt41PSkzfmqc0tVlBf5FWcpNutW8abZ3n6rtzIk-1739112177-1.2.1.1-ddqK0RgvliBnsXjXcBS_EKFQJWtTAYNhMaf4HR8pzgFhWXUk8lfJbzczn876G5ipC2kRlkMYasrqAgw2yhpP2VXpHo1eW5NUoKTaDdpdAcgvK1yXlNj3CcFhqiM7ZRu2rhTNx5NvWV7Iqtb9RiabqKFvT7acCstnCImPv70EL5IS5rowH21ZaMYxH1Mj4d3paQlwubJIePjSXdcXJLUphIGEqaxfNe_Ttn.mijJvWxD5ifrO8b6gaGTWvmkYaLp.2ENKizT7A57RJWydEvIsdN4emzExlQgiAWkLlwjCLQY.2i8xxT_SnwNUyadGZGgSJCUeGkVyWEXppLX.n3fQmHubQ3uq7Oq4O9iiNx6Nx5I7rfgiYiQLqxCgSJUCfG9Ngvni0.4tI0iQy.4xRs1rBnxqCSquoupn5_x9M3KAlhDadT2yrLlAKdXAtUIWKH_7JHLBOezsAMhNrJMXyAqAt0bjDOb0l41cpc1.C4_nBCV_qgWNK2TGpEkQaRhSaOCCGP5E81mcZ.PdynhTOQoAK6FTPcGk4sP3IjSnWyQJQFH0_hEj88iDDUJdir6FPkS1nxadExQfKRs3IG4CxmbA5d6VJgN0zRVRLOo2AmeSh6H2l7LOE3Fm61YPxkYtUUiaqpU1WuihekmyELBxzxlsFssxRw9kKClbOJ4JVCtmIoOi923Q8nz418dMzanVHCeuix4MPysCaB.N5L1ZayyIQ_vm9bhUnoIaUX.cm30yO94S3WNbmPgh4sziRMl6ftoKlqjzu2gG8X.1Lq_3q5d3LDvMPEUhy1l3nsAcwnNsABEZvEAXH.lHRqC8cMAiH5bFfXVS1FfVLerZafCVQShAxJpus8hOTUqsgqrEWQjNLP0Km3F01Kip5ft6.BmVHL4zR9U1P6i6Vp1aUmWQc8Oe_uMwZ3q3Zx70w8Wf44PZFe8o0Ggv5AIkg9lNZ6UDsV0EFh0.DVNhS4Gn8zpvwilYXWXzp1tVuEq3j8.9JmwX8cwReku0W.LHojCuZaVzf3RB5tqpPZCosRAXpyHO_GNx.8.ysMgi3wAxQ7plDBjW.z6LkSr8xESEjjZw6efi22DL9gb9_5YC7HNXMfvvr1xit5W9iabgAG8nPNgFSIapbtWfd7dEha1EPwOc3BN0YJDRocme3IYIjPA888pnJDc3BWFyB2OLs0PuU17poYawepl7s7j2qOoPv_hQ6NJ3Jy0cIgTyFi_DzO_qdj5l8NM5CwaWVPpOm5ve_oM2x3HMVkQEgFDCkx9U9gomZ6I3jd51woqc.hIAxHR8xLxPzXlvcR_eeYzyzcOhTXyxBuqSe6vrw_CJ6sbDT.jp0jPcVXYs48CQBqPDoR8P8w7C8_TbERY_k.Dj_pbRFXSAEAjVefkozT3xyzKfeoRWYlozX.8T2dpRIzxNLyeLSGYdvUoY5f3EgOtek9wqdd855kaxGXbsXuJaaL_ZvwUgcAhfPRj5OfmDogLIf3wg0JbyEf5vPdCqi.CwTRKqUt86LsgiV1QKdOetosZpn0Toe.UzT_wuw.2Y4l8IylP34s_wmbGn5axMNuTkGqLxTA1F0DWXPVW1TfNkpOI74ETbcHWe7rF6A16rgPP9K81H8aeevdCZAPjAvdbfhwfijk6HG3yJm696iYpczv1cK3v9voFnPNCmsgo23jqOg8phVqPBVBSdiquTfofK1CRA5jCWTGdZsfeAptLjSq58XIHUOKy8PRlC054M1hYZ67knh9UFJDpYOqnIOq_yEtiHrucfADMY8U806puSn.V2eUOpf0cfczqBOPYx2SqpRvtWCIHXtCCXqDVza73tnH09_uDl6UrrbF08eU2fKGxkRYiZERmoq0IhQR.iI.TlUfHZzOxNfwxh1U9hZRSNo_BaTmINiZrVxnn1XeB96p.ZHNtr_N8WFHZmUfgL7VKRQB304oC0IksFbwT.DLWBnzFZHWgNywMZbYc.K4zIrkV73K3P9KnydrvTf5H8gmnLEMDw49DDoUMqTuvG.cqa4hnAji2nCINQ65r3_iPRcfGViyEFJ7EGLBsWi_Hu3VXqe1EGU4IHvkInAXziF.xmwfw6r4l0Qh3tA4ZZhxmG0SlCHZbL4HaFgefSbQew4vhr9Eb8NUQQrQN1STAYghsDNL1DgkJFu.R5kMtSJ6D8dZfL.ADQZxgynstcB.bbAW46E45wvajr6hDHWS6UUjAe7U1F_wagShco8nOXouV1AyCXTzWFQZgWGsaA",mdrd: "cuOMhBaqvlQzXB2yMO8e.ilWKm77bHnW9kiXF8G2S2Q-1739112177-1.2.1.1-.XeeCvkDgfPQghhdeM3260uRK9wBR.TSQeiG9LHkCPTn97s1xYWEYJDUx_RPJenjTRyqbfIcYxN5BDn8qRJic9TEAM5p3FVGNt8063MjR1mqlTgMVZ_0uX9arU1Vu5J4JL8FWEjnMn47bKMVbLuso0Ze_bLbkaphWY5OgArRauPbDnJcuZ.Jo2Vub6Q92p76asx4SCSGJgsS2G8eFyzopvVagNFzE0haLs2oY.jJn2MHM_ZFKkxAdztHH3toVXVVCIHUlMap.EqTmHxLmc9RChPrxz1x5MIAeQgRDXZJsJmZ.FV4Pv2wPvoymMZG58hh9Tl0obDjQ0Y0j7e8WOT2dj.gPjXtP_nX7v6SvOyu18jz3957RUqMVCQKOaAGrHRtdMbv1rTmYpTF68PfqJGmMLG7_K2WkK8U0X.4SShiQZluleJDlzYtlE2wf7iMW_jIR1DRMGvmvlXiiu1WDhrVUDQX65MY6CdVzKbJwgwgHOmvDRuYbCqkGkPqbncs.OWuiLsef0Af96M7qpBWPUklO54QeCHUwX14CzwpIIjXu5RY_htd5cxZoyuYThC6LAn61_W8evlRym3_gkk7Ro6SrliS6W6S3QLPywakYovPvyvNsFBy.Nd2tw8iJ0eQsbRIMfJtyFZmwl1qUdtZYQ.BqzedYalip9HdmMhOQjlStZrv0s1jaGta.tqEOGsuyt5XsNTQwNRqMY5F28mDi9dGT_nQxy5_22xNNa_ziRTo9mMNJJb_oiK.JjHu3xBlFMdrGiiuHDKc5l15UHGCDbC5WLoBAmVH14XZoXMQTtllOcK6Qz0d3DhraKXRzScEqtL_eLknuy44gzTcda5jWjU5t4zBw24j.Uid.u80qUzC6Juuv8Cb6TgdNHu.WOtSu4oXOHDlKAgYZEFP2OIG90cUxqjVvTEShABt6DHzV6yZ4By7hg.jbfsas9ctCJzTK4ue7WAFPdUVqD62MFAElDUNvPxHYiuR6jqxuk9zljvPpdSDjPYfxmaYqBiXVOf5gqrK6CNuWVb1unEoIwmsxZvQxl_fL6fwggdrhJPLEWy6OcvSGkPkpoyxTCE4rb28TK_DbcF.b2Yz3vnoucfGUKLvPqx43y6xhd_HosKQq60.F3Ftklf97ppUdGguuu_7bAxojA9eHf9w2c_f8eEATVGYA2Vuf9uFgLj_i.6ccP90PfU_PdoqYzRTtFdlC0a9vb9lkVFp4kfJIydzdsgerv26_c5THogTC03Vwksb_SXoYYNwM.eJMLefF3WPf_mjIK3p7fUzzS3s1c3zfz_t_8Sxjwq2x.6lyZA1gCZk9TP02dbN6kllsUaZOFtF69vVrMaYFitE8Jz5pQGgAg9mk5A3Wwsh9gquNKMplOHaIOtrzoj7sZvCRvSPaF7e6zpltkQULvsLsLB1aCd0qwviVyFIAw6QXLRGly5eyftUI4WlYS66th3grLfa_Ngly4CTV5eVM6tolsyMawIRfWd.9Q0ml5O4NMfwBDjf1phNttWu1Ha_Kl4yi8RHeYrzL5KQYDQ4tYGXjamm_jPDffVrPUEa3hCyKXFAETSN9OPsKu4lsGld4_8fzv.WtUwdCi2_S0q19rlVMOQuC0q5fF_mgb7BX7K8GDVhhNQsZfCHx4yaASOnNl.B5nPk5gmsDtlvnNX7axmkjSaVIapkc9DBzWfF8Oo8K_NwERE4b6KJnTK72Xsso_l5yK.j6YPQjweepyrhMGjeRrjgyryix34fSQcZpunnDs6.jH1Vp2Ll57cJzM6beRCJCtMkMXMWEOurpa5ysHm5DsuofHvH9bJRvd3KGC.w4Jc1FfhzcZkMrSs_Tgs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4a102cec838a0';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\/3869017542?__cf_chl_rt_tk=YSFSRvpdIth4tkD8hGkf8VZ6sFHwzhDQHhZPpsgNsfo-1739112177-1.0.1.1-pu05KF6.kJq0259Kt_Sck3pa2Ddx5xazuswIap8078o" + 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