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-763787482339.mit-edu.top/post/4712859036

  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-763787482339.mit-edu.top",cType: 'managed',cRay: '91104c935e3bd641',cH: 'ad1KjSCuPWCjqaNT4YP_ND5t_VxEYQI.ga8RrogXKqU-1739402319-1.2.1.1-U1CEn5Hy9KYOO_v7hfloTOnMxREX0zj6w6cGQK1gpQ8DxIHVzET18KihhxvDmRg5',cUPMDTk: "\/post\/4712859036?__cf_chl_tk=ZwlLwgj62eoSezfHUgmyo4wMD2KFQIP3jPEXV2aGUf4-1739402319-1.0.1.1-r0u5uCpKiIXVApdfnCr3KqK114gpVRIgZmGWCgHU1Ec",cFPWv: 'b',cITimeS: '1739402319',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4712859036?__cf_chl_f_tk=ZwlLwgj62eoSezfHUgmyo4wMD2KFQIP3jPEXV2aGUf4-1739402319-1.0.1.1-r0u5uCpKiIXVApdfnCr3KqK114gpVRIgZmGWCgHU1Ec",md: "yuV6vwq4d_Y4AsqCo_J6WYRt.w_JYQ9HWHfJIFNq3Kk-1739402319-1.2.1.1-4rrYKbJdR34g4YOjpgpQ7nN5elQA8IowY1h4wbhS56.zVd7W_BvkS0cDrrC8VR9kDtzAqVQBKHxPG0T6eSL6Ho7.PxqwY.3TbIt9ntQNCoAMym4Bn8uEPAkULb82vHmEMi9AwcgXCICEME3oQQmuycp5.aK9pWKIlvOKdmbyNgCrjAjQibc349ZF1_l0WseEIngj1S.GxBrsckZpcVSpSuGlv67PaD.LOkQ5e8ebxWkFcsRc.sd9vaDosqWqhrxoO6yQAkVIMGcan7OWR2YOp8BwBzMDaIcZV1WNiIyqF7AEtsk2Ano_CAySOS5QHK1nfwrMkzm1Cl8T2nY1u6UKNXyeN2SeSBeAAtevk0rsI6hlsSV.3bq7ep7oh052mD_0sh.S3RCsZb_WL.QsxjVT8gi2kjW97hP5hqIQaITGywULN_VGcJ2eW0P9cK5b4jiyQ.BRyl.3YNl9NzVjm.QROFSicuEKfJEpUio1Hj90AuA9PlKkQymcoJKmoAclewnh5fs3_GENf_4IPiUdcbLlSiOm7b9T9F8sgJcECCbe4mByGjMG62EnY.XRRB0EtVL2ILX.DoAlfKumJbRjn5CuL0Iue8g.p8kMSmSEgK3uDDewvkwpdUY7al6W2NtZOlm9_HGDFQFUJw0WqqQhX76sYLBZIvAjE_pY4k2T2mPxfvsk5D7F9ZHdLNgwbKEJrSMUzM3m6Lwf5Z.W1z3UNAebqRfpo2DD8YMoyia4NjpQvvgSZB9Bey_YvYlS.9_x28G9V8Onm8lFBOPyHurE8fYT9bvh.z4NwlRq7OJ0hZZfvC7CbZSNXs4aoX6daMxuN641DrAAbFzQInAi5yvYiPx5M5uraWwHj9EIh.ieLMOt8ooia4GNTXammvoT4RuX0jAc91Lcy_9WFIDJsjj4wtkIOVLtEOmf4jw9wod6Hj925rjdeDtjX0ExwWugh_2FmNlQVzuMeSTbBcAuYIc7c5e.4Gev6P487gSGI4XVcqekmaDpgWfKOPWjOY8n0a4hQFwLsF2F2kaoz7lyWAeEdy3nREdpWPKkuRWFThWCN1sy7r2bgn_ON9PuoNQqPwYe.wcvu6WHTgQgAYRUviNhRhTcniraHqd3M93gcDMFpaFe_fx7kfVcooVycGAXLlHJduIRCKluh.lLEpQU.Pby6mPEH1bKdoBmKjUNj8UeeIlV85yty8WOD.GfsXWu8G_QXp0w_R3VCMSmjNhqm5qDaVL0OkUnpTAepc.qK_lh1Feqw4yiOb9Oj953.u6I6ssmzIRS1Hq3ZK5yA5HNHo4jv97VKnEXim7DuivNJJJuy7wxcvXzmvdH.SF7zHo8KlV7WQx4WyEhyC5x9izcHJpw0.0PbTCsZGaUanIcjQegB3K3dQFlDIaHdQYv5vuVGGv.Cxu7Hnk3SM06UV2bylPDkFCHofzXmQae1Ke1lEALtHdoaSL4EcC3NPg8.aehU5LAe.j81iEjeIzzrH6kn03YrdgiL7uT1OYwvjsQFRMtGXsb48CAYoUN.BVYLO0woHgXfRyTrH.nu7qTUaxgfat39lp3ZilZsS7CkmdBxmx1LWSw9Djerp77W1Ith8Mt3e.rfvnOjQKfYZTcqtwFnQw.BP0sudknoozZ3YUWZGtAnTpmrkLnQ4oPlnrCMT9mac9IufCFWZQRDWR2BGDsZ99qXjEnOp15iHwr.utRcA9bPHG8COedgcc_CgCO24aMwduIC.oOUMvGAARl9qMqANIBo_XxvHJ.dlcY86JsxdFXrsX18Sp2OOnEOlzxQkfNGlYbFIrrd0EAlMQRZ7sWdiUBpsa9kxbFAisNJziH_SQ0uK8FEDmlmEJiftIopRd63xJvmlNQSWzbFlSHa7UXRp7sxpX96qTnhI49bsLx.NyofvX8n.MKhcw8.ARB96PRnPEyELGl06Inf6tD_7I88sP0gX2Yi.nduUd32dsZI5hus7sB.BQ7pLZWSnxQ_JJ135ckgAx1PxQ0ELnld3gWMaJUKMvV3q.Dil5DAe.CaOM_eKoERRpEaEooCzLxpZu3TJk_v.rB07Oa3ZYGrg_PsjutJ1KfTSpon74a11yYqtxIDydALNLby03iaeLApuh1VYWHwdYsBvwXNEfswPtt.XNx.TQtt.4Rg.Iq.CDlOMNPJE3KIu9U9IskTID4e1Pgx.tc7S4Y.y4P6xEKKhtrxjvBREzaQQC8nXfTWJURP0ybHi.MbVu.SgTqyFWMaC8JXDw0Yj_K",mdrd: "FHMMs3Z5Wmj_YvIfxaV4W0cQZqEtjNicBRZmU120QVw-1739402319-1.2.1.1-cbBP5m3aRdPlEQEMxHU1HAgo66Wu9IIzNxZJZ4HOTQ_WJ.gL_riKaikykcshoJW0ytc632qLFw0ynjlSsvSz66UekKC_Ty52QHVicUS4e_neA2MCyZXg7YsDtJASn5XSoeJqKWPBUgoFKDEUJ.3chznshKzLwEL8n9VJXbz8HTyvW3aOym3A.wAptEKT9A9q9aeczETIwZuZPH76lyOG9DJXzVvgSHc_oCpqUnMLSZMbmwYHx1szZ_LrINn3hs30M2mOQtiTvLI6sd2Ij5UlTepVALpoG2i7Xf1VEamIO9VFwXBpNerCkCOoeiQf_B7jNOz2HAerlIc8XuGfGgYqV50EbFYVPl4EpV1qcsGMCEj7ciswDfhH0JAFvh4dzkn6ABd.oZ9SShzUUDAlevIoe_SMam_AFxXsywfwRJM5t9ugQkFgfvQomk_ldJdDjtjZxUOF_yQBOGcsLvyvl9WNlSe64lLesCr.NLtQDCz0_F8EgVD2fu6OqXuyfEr5A4X20wgVMPD0o7acP6aVR1K3e0qCwQppc_RSx.jg.gBBuFKzq6EHxIzQEY2uhe1mYy6dN2rxnOhm0KL1GRQc1Yxf8TKS8gWTEgVzwbBsxKvgUV.PryShXe3GB7Z4QI_SJMDEOS8gFdxGI9p39QkHbBZuNA0pm4GcAzgzjbJ2zWS2Z4ETrFwLWIUWiOjenZ73pns.KdOp7T2ZZ2kbhjvl.Ie0YYVUrbZYmsjFmG5o4EC_1TZB1XMLb56V.h_RDlOMsAC5B44dI_7oFPxj6imQ6JKuBU4xgQJLToNri1HNgnq.SdXCv1NoKL6YKZon2rEj.GeFapI3BGh7cmG7_L_ZQTT6B58rD26cx1pPfd5Nho01Be_mDySOJ6JxByXcjwW3QKRuq5AFat3kzTY4VC8KI5hJvPrQL1WFefBD9SYuhWHYPBLvLjdw5iMDPCqArZ3ULybr3TQeNHALf6zAxtiYl2Vcelg5SZ6hpKfU_LGVlzha6VWEsWIQTKUKEV2NLdydDAF7DIE_jLNZrHmrJWMblAv2gulelQe685q1O2iOTadcsmB22ACKek_agp_QGeH6dkPPRaYUHIK0V1uwjDsSSuPmd5dX_RPT5FFUiAW_gPQPXF13TycKKJ45cD6Ht8f3nEHg72zLrn.98L15DfTnnoAWB9zeH04OYIO5qlnurhTLU7q1zTnZzoXaUYVVb_wG50JZPLLdl6bdrhI03hhk_RfeZqJzc3CtBHNm8NiFuBnF5JAroKPMr_9Fb8NpvsgGwqRcgvrjxU3aC2bFh5Qyfv3GUiTSyl3nIrSmDmSaY978ptwtZ3Ob.0MXwPnIoNsDhy70_Q0FGoxM.S87Y.kiC6OhXAcFO0NkSDvkeHc.BnuWfjqJpGHPmO0.LWtDBlxZgWZYuLJzADQpAJsxr42SLXxnjcrwFwW0sY1Yib3c1cHYCCk_Yeb8IbzcY1HNKBx4dMRQoFid1Tr4vFcRrvoEVAPjQK4RDhNSVuAd9LNQnrXE6fomgytxxwgkGil2kVwitJJc3BLMu.LOHsrFmtEZZ.laxFiH4Kneq1LT9x0AuyNPM04cHB40OnqxtzedMukHQYIArKrrDfVwWA1uCw4nIdS3zEtMVTN8HWE6ATIep3SJQlSMkd2PFs_ix9v18dd5BLjDyc1G6ry0rK7x9MxusA5c0lirgeZratzwCf59mwfI4efsNT9VQMN2vJRcdysOSkAp3u1KnNcFaaJ1z04nKFkpVRuywPMgxaNfwB2yto4CLkIkrFuJ33Efno8SdRsVOCxLPOs7VdRvySZyV419NI6aG9UjFGOTbsvFwkK.elmOHS0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91104c935e3bd641';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\/4712859036?__cf_chl_rt_tk=ZwlLwgj62eoSezfHUgmyo4wMD2KFQIP3jPEXV2aGUf4-1739402319-1.0.1.1-r0u5uCpKiIXVApdfnCr3KqK114gpVRIgZmGWCgHU1Ec" + 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