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-536520820019.mit-edu.top/post/4916287503

  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-536520820019.mit-edu.top",cType: 'managed',cRay: '910f6c0059f7d6c7',cH: '58XPJXZgwBRyZK51L0qONf59mZFGinSCIexJgFnAq9Q-1739393121-1.2.1.1-T6LEmhqZs9pQRXbbb2kF5XKXq2O5gEwkAE20jI6mydVUp_K0yXHuLrIsvCvoFoLK',cUPMDTk: "\/post\/4916287503?__cf_chl_tk=OlWCmHYSi1.Mboya73_ODwvt8jpRDRF25tV8fX9L.XM-1739393121-1.0.1.1-Umyrynyw813ZPk8t1x71k4XucwfzNYZwevtLgQ9ZI9s",cFPWv: 'b',cITimeS: '1739393121',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4916287503?__cf_chl_f_tk=OlWCmHYSi1.Mboya73_ODwvt8jpRDRF25tV8fX9L.XM-1739393121-1.0.1.1-Umyrynyw813ZPk8t1x71k4XucwfzNYZwevtLgQ9ZI9s",md: "pQdeYmLjm7Bk5IVLVNVb0ZcdEcNpY6HLhSCIM8oXcx8-1739393121-1.2.1.1-B1FDVgyGNQY8uQeteCGacplGxkJoeBF9gyVqh0e8uvbQUrRrdNqltcK5GHRD2eswLT3oQ4fMjjq5Sk0ai__vyfdRGTih1wvaLYRyk0D2N2mpEC5mgeEa1JZYxijeIz_AKBEMhfvCqDFqilwSCNAdZFzmxoKhPpBMoZSVhkeiETadlwlKOu1HLCNkXGqiHI5sMegagl7S9Pl3xKBgkyZizXO9G39oGZ2cbCWMg7z2AB3BFxtr52IXEZFtHin49TyjwoaBYr2dLGGFHlhFQZrboabtKhVHJHnnz_LVZKLEKvb.uZw_Y0l8pGdlsPG.qXeWfn8Z_VDsHFr0NcH1pEj67Yv1d.f4mfrjG8V5gw0GdBwDfWDNcC0soZuf.LrDdgi7TfZkxwu6fJNTmSNxR3eRMX5GIaK38dG_Uki9MB65U7ZAc9jLiUPaB.o80Zg2j0oSgW3.CMsZDFTcSyiwjP.nrYWMNMUC8YsMOjGI6eN9VWEh2A6nDzNJc4lW7vw_flCmxA_YFXIz9nvep803uiEO6fI4CJIfJSSLjAWLHeoIv.fJLTDEOSs042A.mXmsPAukgOlyJCR41gUbu.0bCrlAgDfjdSXeg_KS_qliakFmBka0mHTgYgZ8NL_g7B8eYjRm6dst7d0atzCsEmtB2h4M4r5f8AfgoOlvJAGi3jLTGV2daGMiHZCs_pM.Aflgw1J3uOhd8h7WRU4W7mTqhuzXOR_x9H9.JUaraT7xqhBtA5JP2ED1bfBSidPi6ie6LH0p_urWeMlg4NacDYHdEKPDUOhhQo_RumYpNucGDQ8TqgEuljX_fYY4q.qN0vfVEC.V7rYz_ZFnTk.yzh3j3yVVSZmf1vuG_7Q6pbLw5KRFEKpR4g3BVoCESt7mPCvLJtdzDf0ZlIPs5rMnSOI70OHci2RlOJYxwnr13W26ECosWL2hOtnWfkQfAPNt0jguH_G2b3CCQTzWoLj8GkoWbsdeHrbOW8gqIHPd33iUWfdg935Bm5OC0eWtbOUaA4EOubm_NjkxUQO5BjGnDHuVz_I89ybwMReQrzUEN1kaAvHRKkAPVLXvq8aMusPO_yOOm2gPnfeo4Gsc..RV9TyKpDjsRy53TF56AXvrmh1BH6MBXuFShKJxH_zjzmIaFlrEgo.z5HaMCXq1bxDkMAuoWPaAE9IpAvYEvM.rLdvArBs1Q1vX_qeL36v0UAgS0q3FFQgMtVAXeEgfi1w73aQiNz5lEMhaoAKTf2ul6bI.ZrGLdcnXxOkY0LI9zBX94JYpSJ02hqa5pZIAGAT.ftmr3IPZIxwHj3bj7hoe.v4wuNvElJJyORihWqh6yYLroTi_psBoAhRCNQNga.eaKPz5HaZ4Vwft3QbxvMeBhyARGE7ws1A7YjrhFSNEWIrpS2tgsHfCaDsh3.cG9L4jFNQQ_lBb3g9.B1kd5cbbKDnamLaxNXZ6ne.kcEH.vpXxU1Y_VKOgPwPdrG5F8PhM0EmlBaVcYoJLHfUg69ubKSJAb0M8L2KqeeIJI6TYxeWujoE2mD3AdtMLGs27_lOgZDc1Uk1YUVlaogAj13ilDq4_cnWHy96ovLzhXDt9_xDAoeQQixwI17OyEcCdtjUsgK7bwn98gOIB3p7WjTjel_yU.L1vO5qvxmRwbxIA25lnhRTZFwuCyurtbciJ79lwC9bPiEFfbbqO3CQ_baAUTD.e7mJ5EAjAxftkGLNYcOOXFAxHJLbEmB5NLoGCrNoil0Zx9G1m9budj457wMFJviUInCnSu3HHdVf8TbdCIWvvVrl28M8QXAxJgdbemGDo2tt_C4VjMhmbtQ6.wCN8b5uJmLHAdhk1cyG7Wt8V.4G7tAVL_beRP.pb.vjcIsBExs1euJgpENmkdwGkavRT_MZbA471w.MMzrv0cT3M0SxSl.h1h.uWKxB8Kf8JuVbiZbrFUjJ.WPfohoooIuFdtACPRB_CxNR7bVNB60iFjtyo0r8BpUgC44tho8TQu1mafAtPNp35pUmzssm6Gvt3RaW0gP5QupMtiWR31SYE00Gxccv19hzEGZPTXDVZjF5uBXtumFrN6MW.n11gttO0w1ciYlzZCpviJZv_UFHs57hNxK0q0TERxz.ES5l86APV3gB63TK1Y_Bfuj_b3LYC8wfCRjTHVFo5Ucy9XTe9cJVVkJBPCt84GpicQbLD1z8_cdgtF02HSNnYumo6fgzrTNkMlYkMSls_3Xu6IsNtffTaKBNQ0ZTH",mdrd: "cSmjE_n.dvCSpm5QCgONnq26.3xH3zW0m8dJpfzKKIo-1739393121-1.2.1.1-66cVyywFJtdmeP.Yfri7uBU8o9V.0370cDpNqkuvsrxvgCwIwy93Vicl.HZ4qPLb6PYWlx8.AESqjF7cvLK.R5D_uQnj2zU0qUCfoQi96XHtwg_yzhbrgKZid0TnyZ5nEIWfh.RXp1k6puZPWyPLTh_7Ku5DWcLY8NKGFe2xBLNRmOIpBxYxZr6H6JbA0EwNzIdpGrrs2M1fWYDwoZZHEkiOumHwH_qd2OPz8UxJYpUtdFAM7QGN0hJrb2Hvw2klvMKKeYIr34M_H4Let6qVVCO7N7_61mb6.zYD.jl4Sw0hF14GosFRNbXOJ4X.Tw0uZJ3zA89AATzm3IpRXot65Izr1RHx.NCqoLHBHQPFWnBFk8Z8YuKZGVPVHK5B7u0KlMtNw4ATxiEcd1k5fSJVPMgb34_MpuLLJBQH0i8X5fiHHyrDEO3WA_cVAgn_O1lhxrgm2._0iF43k72d5MMxjppYuznJrNS93jCKltBj7vkvKiGDozl.1G5XCCGnf_fsyi0cSdCqoYROgExYEpFs6SqI4j4lxX7hUFoGvZnFtoqZMzEgC16ptZkr.8XIJVANn8dgt6ZbHSk_oe9m_SAUARPNRuMBbpTQMdD18UnM0r3BxKWeulWARFMIk2Qm64G08MCbxsI2cDjkaHDevnVTTyir7mFXEQfct0JRYZOTMV7.0U_WvkGZgK5M3qvAh_cX8r2xiYwQJZ0g2rXi7lJp2TlCfShDbbPoYX6okWCQ_wrjTaAGNFgCjL.l9scEAf31cbtyPw1FAFamScrK4c79ZuFoPHrnLZyDQMw0h.KRHOnxWs4Z6d1jp2cPZIiRPkY7NjJPC.4dDrFW8VeB3klR2iUMmZZA1uM0VMpBKr6sc3TujqOxYAutqnTVja3NySYNpViBO13ibzNwFFob70YKXmacrGjhdsGgCQeGy0FpInxZ9JLXESzfNM6kJv9a7yFst_K8cqdQEh3jbdvuhHltHgUeaA7LrPoET.5pzSvGLnS9IGhd274OLbmn.qgs138lDOFzZZkqe.ovaks5LunWpv81gZadVFIEnPsioAN.CtsVOJuL5.JHZEHMrov.lIlX.NCTfegnAfddndO2mNOP8Sjt.u2r2gY613CIo.oiAQNrBr6D8CeVfSKr.Mr_hX3ieJ5EeFPOJ9OkvxoYiLAX7Yzb88YAijha1cOCSGyOaho95x_E5BSVxMsdQs65ivlwayQjlOt.Lrj3SBFQzFtUPKtzCk2N.xyAraC8Z1Lohe432eNCm7_gv3MkClyh2wTaDgfKT5KRxdlNfIyizlLtevByHCuDfkHpYLtbb70qJsPC7TspfR13DkRt3Bo0191jXGJKgP7yXlwLLU.cWqwcjvHLFd0rt.Gki20rxVhapoNRVaNNewGmcXHJgN.cr3W_yNxLyHuQG7Qsld5jstKYBVM1hbxRquP34EBJTNeWlsB2bTvl_Pud0H03fuysmmEJVPNoEtCwo8avwawtBqSxUk2me.TGJbVrAVOiB1RZb_eJM_Czt2Q8lckYOcGT2_.x.UWlp4iVSCKVdZr8AR7Z9WL7IXM_GmCSKumRpAtt.M6wixxp5bBRGac5KBsbp7fcx5Za8eBq5lmeLXJjmNhRVKn8cTxnho4y0tqrvwMp4scX8fduS1sNo7rl6R4Yfky3.UtcYPaK0OyZsl3H1IBFksIfnQJC_eSKWixgAQNNX8d0vI.hwvyieZXaKRt7YX6JLKU4AwGPCT2x0dUQY9iuM1K2cg5cZ2Lgh9Egrz6IklRkZVktW13XV79g2nof0UJ9lSY1cR_e3f9aJE9gyPwM48nXKZglXn0gcP3CVh7VGqY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6c0059f7d6c7';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\/4916287503?__cf_chl_rt_tk=OlWCmHYSi1.Mboya73_ODwvt8jpRDRF25tV8fX9L.XM-1739393121-1.0.1.1-Umyrynyw813ZPk8t1x71k4XucwfzNYZwevtLgQ9ZI9s" + 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