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-aff0ibbhl.mit-edu.top/post/5602381794

  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-aff0ibbhl.mit-edu.top",cType: 'managed',cRay: '90f7d9a6c8b107f9',cH: '_UgR7cd3kX6rveTf27rpG0I3B6hpacfHK3MuvfPUEEo-1739145954-1.2.1.1-3mVZStjASIiuIK6xG.dhtyOkAVrrI4O_NSllRCFSkTKmpp2IgF.EvRMP3t6uFDw_',cUPMDTk: "\/post\/5602381794?__cf_chl_tk=9KDPqEwA9uy6hFNBk.dgSeqHx9JEmIm0conKeMxEIqI-1739145954-1.0.1.1-nNP2DIMphPD5Ty7aCSM1zPNXBBaOnpJ5O0X3rdEwU7U",cFPWv: 'g',cITimeS: '1739145954',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5602381794?__cf_chl_f_tk=9KDPqEwA9uy6hFNBk.dgSeqHx9JEmIm0conKeMxEIqI-1739145954-1.0.1.1-nNP2DIMphPD5Ty7aCSM1zPNXBBaOnpJ5O0X3rdEwU7U",md: "NSBWLTlqp_jT3ewT208KLDCpY9VwX.mntSZXgI7wU7w-1739145954-1.2.1.1-41sgofuLmXpGYoVZKXLPjd8RpFzkxJzMb78DT9Czg5gMh9mduIW72aV2sPNkqexdxG_6oxu8Bsy9G3SZGlYZlWat0aEhQDIz7cV1d4Swm4R9Qv3VpA4ECJKlWKaqklaSRlh0288XSLv6gRQXx9lnggLw3RD4.RhTdv.gD3dgd0Y9jDC_zhn9.qpQQ6ucmmDGX10j5zL9MXz6qzJa7k9remcdxWRINvzd8r4gH2PhoX1aPA4MGm5E2QTjjZb4hWunScW7BElJD3EfZZxSB0fRZio2O1FDSfwxgIl0.DClCVZt71KdN2a0Y2UrrIWdaK8Px.55O2YiOVO4s4YTiPfihB9L3IrSuUk8NlTST.tDio3jioud5UCFrmO9kWP2KGU_ddQ.rp2azJleHOWekvYtWL03OozBqb41QGDIJJc3s5MPdI3x4R2rmfekuRZsAH3l9SxYrUvkWyWY33VH4gK10jEfQGOlI.pve21OlkFydMN5KbhKUiDfOpbOZdxOdaCLDnfSVOOX8MEgH4xq1gsSn8J9a5NyFFC0tyG8R9NdszeymgkSk.NIRTeEAD1KzBLhJMlXO75rlnxUL_fevUqncJPKb.bPzi1eCuxLClp5hpVw79CVbTHgYoZO5rGIO1LiNi0DG1nxgPyGBtDEdkycBv9m6PLDn0CxWz9qOc.za4erfa4lKUetHWXS9HA62A2AZRnmtKqtqMYEV9DX9.IKFTDwU_rztZfJw9kiXAPPwOjsdsnhvsvNLPXehl4GLXUSOlHp2he8T.lQAlEexvtyXn24ZbMBIefXBEE910.enRia_EXQMGpfirSogeGwEAfyDhNh0gy3usygO1tznEIO2ZJD_zzqzX88dZltmPyUu1Y6RC.77zI8e610J1ybJn7ku0bGVHJg.NcLZTrkMluuk0RknRVlqYfdqYNAWSaAfyJQnqcO.W8f_UhppndMVNCjxWzZo7H5UCU.hvCV9g9fNPst9EbioK462kjpNyoqzC_C0OSFuisJaeVjpTZcw29zZfyo2mJb1S2P2S3RuKFF8hgmJPDI_JSp8VYYmh.NQWtGxHPcw1JKD_OYAXpbJqjuHnRo2NUvobVNrslQvooMe_K_mk_0K10__A8BWJloDBLcL6V.ysr4CaqbH4kPGIRAWJezrHvVB.ooJUSh2F_XJy9kw3R6NJeq3VR2RZ7eliaOErDq7ARToHmR7mSKGnQ2K4qgvuBbRp5nn4YV4nK3p2EuAwIGKxT7Cs3LbEazAf0MXveqe8I62Drr9pkG_8rBuItPdVJf3M30yi57.76v.4kxXlexmXH4y8fU2qsFEWDzDED4zyWNkGo2_HKRzd3oEC52Wu1oc2sMCFUzKWNaj7WPJfmmjXr43s9rzlQMQDOKFiaARjH8JwXMHa8kocieUY8fq686sjJezcamFFuEjXVjMgRN_gOpPRE3LYFcXUdRLljSWd2MMojaxqMWAMIRZURZA.nDA.uT8.QcxogWsK8tpRN6FEmkQnW0uWe7i4oHJBsyAjm.r6KURZkfaQqJwB0vylvirE9ImMVK5gwKJOMYgIKE9TsdDwR4gFihIG_7j495ggIECepgDo_t0rAPZWRbQzQWhn9jVxjqcb0X7Y4HBHwG6nqfGu1JCJyqLpEfENBT4fA3JBjnxTztwLPufy9XKaWiowwdTD3vAu27v8tJ7WI6wmgQzDtrkcn8TKBHlokXEUC02xstbamZhn1khcxJqoSx7ggc9LpKf3L2SgYXxgwngEIl2i1.6HmPWkNAKs81zaIMBELWahLKD6.gIaXPj5sChGO8ymZFh7MAJKDaZMrcWHrVChErHlN4paqTd6ZRp8ey4GgbW_W0yjuGIffPWdyWfMM0ceYA0sqllHKLkVewkOCQDTLV1dZRl_mz900tWqx.VMD6ozEjr7Krbawbulhia3JkRzR.b.JmCouUkBfDjrbqjFojcldNj8dsKkrxmr.XqePBNFDaFEMI.pieIDTYa4BIhsDsPHpR1rrBRgL3o9fG7E.Vp1PvOhtB2lPM4wf7.RjZzsqJjduKY11y7z2FakvXUr_TeT5JhlTPsifvdTAdbbqQmfHYIgDmVgWZJm5X_D0Zdj_NPG2iqHXUGz_FiEALl8XPsbSi3z7kl0nKXZFGl5tabGiOwCcQMQ0pU97HKtxCx4jb2Rgv94uDrp1DK4I.c7.7gtCTxsv0_iXZS8kJYF05hXfJPc398eg5bICh2PucOiBgFW6r",mdrd: "S1s1RAxoGemabImJ2JOXgZ2l0xAom2woEsqbUEnO.GI-1739145954-1.2.1.1-vuKWSTcE0Rg0yA7aymMQL6.k.0huPHuh.aGb09pWe66hPqlZ9KiEWveqydwAc0ckXA1ZKBcxsIJbSaLzrbVvjSDaPe.RQG8kZ.x2JmUnKceHg.yoPdmd_F2ouswrFmZEZ4a5Zb3d_JKh.AC9dJOVpseJ9PBZCDGmXgVytUY9sruW7My1QQcZ753HPAlELOzm9I6RQr.8vf6Z2ETmfg_NvrJdrHjG6ulawHxaTifOVrnLopDdlfoRYHaczbHkwdXZn6r7IYZKVhMP8NLA7_jFZd_sKJTBfeLQKX1U6cxd69weTNXSsKtfCq8qCuP5muC4IKbk6JWhfYfql0_jWv.KICz5qa1HV7lrbx3gxKsGmIDaI8iRldHaqwW7cvyyCstMl.4NMdbNdaOkV5rqDDx8x37EJ5XnHvtNHaBVyMaBoWkNNfm6dGbwyH49ykm98ZLJOU.wdAF_dV46QBSyMwh7IN1l8yMyF3g_q0aAGunpTKaPhsiSxTjwLzxtEetfiVntn7iZzhS2YfxtgWs36PeM2G8SnZVZTaFgguQ.IpPmsy1wpjHCbCtCYLfleKcfU_VQOwVySECFJ.B.jOFr2UpNAruvfx1L0ZPnoFgXYl8uNE7PAEBHzTynMVolGC.rg0_iLFYKp3ats0uzez77HbRdpHvn9dDTWhMx4gfY_wC7R4oSANds_lQbTdfwjGHPHxuBfKm04dEUsi9VhB0z7EskUk.oMqhPV9saDM8CzqUvUp5y18wa4HNVEA6vlVopTIO2TfDi3N8zeLUKUHw16lSAt97f_GHlBPTxF2EYaO_W919MzmQLHWtMSz20zY3zmQtzv4SazJ.liWaFQXqga7Z5_OY05L779ew2kYHPiOCSkWUfAyA4LywqsP4AcNAPUag1qMDvxz8ojYp2M5s6FaBxdENpTLAUhU8DFWDnM4_IGxzP9ycwVJU6GPXvExlDu87.u.owuYdLwXUkolAn2oZpX8kI7lTCMZ3QTj20nIQywDVz2SAFWfvp7it4SnOw4nlnyq0s6UWsRBmfbde7gCm2cNbbN150hNnpdk7jFYjQcTd1Ls1owiMsLwUEmwcu2yzKfRTiwciXqLxRUolY1RW.bAUgEtX1rVTGF72hRWEB.Sm_wmtWaA_7XDT7hXlm9P9InIOA2lhcFrSQfyvfOVvYmsRzN7DTon03Kzi4mt.6A3qMA31xbNhfNH4SjbHiSHQ5iSglqrsKoCa0tVBncehkz24.JUuAcQ8UI_gtBOpdLFjLH9RQX2HRnPd4huWIlQx.p.KXeKI.llw8E4LoPEoVrxUliGsAZFfsGF5Lgrds.U13au4IavP_lx5ZO9u.fvlbJKU4GoHcpN65VuTl8PfBB72AxQvqKXHn373LwN7i7Q3inmbYPb71eaovX6iGlwgkEHEuWXmDJCQ7oeaOHME5ZtglAI1VJu9yfoblYItYGsOGAGw2ckchbpv5u_fzrWa4E5m85hWgua8Jgu5tb0K5y.fNlN.tVso1qYEaXlYoQ7OcU5jisQseUIZhnFqFYtden4t2H.PfN8Lk5wMz2RkCL3CCNYLGiVxkhaNZL7mXVgIpm5PIRYaWi.219KaB9ZAqjDEe7R6ZjIAKVBUzBgXiGEbG68710s36RNR0UstxrHfRq8fXWjpv_8K8Dqf1oL.6o3gnUw3RkkQHOMS7yjjbVV43edvxgeTLDU7ANpCrYE0WqERrPqUqtn_znKG4mBjPH1kXlW7JVC89KG5.nfovJrL3sWBhi9.GaPT1xGGdM8YgdfTLkYC9x4YQjmSSTWYXgPmmc8gelrY3u.8yGUWTwwfJg7UcWVNAqRpzSL3VT64"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7d9a6c8b107f9';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\/5602381794?__cf_chl_rt_tk=9KDPqEwA9uy6hFNBk.dgSeqHx9JEmIm0conKeMxEIqI-1739145954-1.0.1.1-nNP2DIMphPD5Ty7aCSM1zPNXBBaOnpJ5O0X3rdEwU7U" + 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