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-affxmzse9.mit-edu.top/post/2985603147

  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-affxmzse9.mit-edu.top",cType: 'managed',cRay: '90f9806cfb695b41',cH: '2DOgVFFMs4CZR.aqoZHCJiuOpsb7GC.HSxtym2DFNKI-1739163271-1.2.1.1-Rn81NP5Vl3MokKlPtExlMxkJdqtZKbsH6ZPMh2G3IfrrXLA4W.N7buLsej5_LwVj',cUPMDTk: "\/post\/2985603147?__cf_chl_tk=w06jp27rKQGyKLCGOGNcb.5vdu7eqsi7eWEwYSoOK_w-1739163271-1.0.1.1-OF8PPTFGlnvQpeuf5KIvza0gF.jI6K1DikD1RTU1K9A",cFPWv: 'g',cITimeS: '1739163271',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2985603147?__cf_chl_f_tk=w06jp27rKQGyKLCGOGNcb.5vdu7eqsi7eWEwYSoOK_w-1739163271-1.0.1.1-OF8PPTFGlnvQpeuf5KIvza0gF.jI6K1DikD1RTU1K9A",md: "jqhfq5lXKmT6oH3K9tZt.qkGi2aUj1hJM0oNXLaUW5k-1739163271-1.2.1.1-2LnkUP.4w9niW.0VFFUZiNytOY_4qBmeyhjOuWbimFg_RjLd9yLcCYaWrqpa2iQZAdk0izu0FgkfBMV.JytktM0W7.B_mU_R5uSdk_U9nYV3d7LFR0aqnWU2MwPdoxBIcS2ObvS.2p0NCVpsPD9SiPA4pPt4nRADdYlve2L_en.FCCfomzb.mVfN.tvxxiiz7t6t_pkZkTAc1gh2fzU_qxqhLdPkFLA6HXj22CqFuiZsVhgPajSR4dHbk2NzlT_4hpd9yB0rIEzYS9kzmfpIL6NNxMLMHvpS5tfEU4gvexlFJj_IJxrBxvZaJJfjVr.5cLdrvIzzBNs5JjFPeEEYcRU8NVssRC1m.M_ltlAlb2FqcL3MP0QCaP4Vzay1s_2vXDpZeBIVsULldUZxI8bw.LjMpXiDWsI0uWMoZv_yoFNsjndWpejVo4HgkVtSVEQPKtbJ_Z5XFVP9yY054FQpq4m5tMijA8SlVqqlFIhImn883FR9ii30Ac85RO3VzcjhXgd7eM_ZekOgeULubwrBsH3mbz6j74GmzFpUItvbSQoEqD5zUZdZ6kTUHQj7bnshH8Qq6f71gRgrDTo34fUIqgy22Gk8lrJ7ESVPt6fXsX5xJMCzaCED.b6i78OiVSjol2EplPqv6dPC3xEHv0DB_d70SGtlMNSUJFJu6kpk233D1.7Mp1QHeMUIk4T9orNgQ0_CqtGf3qHKcDiClorNdqxFkQfKxVD.8ZTIj5rvar8iX2RXPWlWymfCL0a8s3ROQyPeWISjujL_hRnLK9KYJ3P9yOwam31X1LIhXCeFGE0.Ih8DC36UaDsK8jUYgBvl4AJk7HtYF_VLuJQfqm5JGQ53uIGUBysfczIvm1ZdBD3NLDkm2dzAZvn4gVmcPpBksgzDKheGL78r3KT856OyzgpUq_kv1NtY2DCHTLILyzvMeExU1rzQNDRQvZ.qvENQTnZcjMVlTtFWbUpkgPdIDxpMW3hE9FIrAZdnvbY2hlBO4CS5cSzvOItDTDeH_8gCMskkRGfGBJM6os.cRi6zY7hEiGbLBMRCKeL0hQlXGk_ZYgz2VQEbCkgiKZ4RRR4qdg9ZtPAoxP5YwQPRKV9M6F08yov_4voCuR5GBwzHMbEEpmVRuWk3cQjixflFE_cdiwKCVZ18q9lU0L6vX2WMfKmD4_2abPPYdPwVjqXurPnQFzh1TOdyi1n3BugY8HwsqnIPKOa.OSexN7TB8GZqtcTxNT6OuZ7CESohzDD42mWsC4A1ck.dyOM05fDygxjZJi5W4HkXUNlwB_9dnzUbWUGz_BTkldCMjUJBn09BnyBhfpfP9N3KBNrlwcQiW5ODeYt2__p7Tiw3cDaii2uFVNKMKafl7QSDovCKi3ZL9RD8uBasUpiQY91bTbIY6yjGsAzaeP8octI5wdKl0j178u88.YZ0fK1.4qr_MfoQXWr8Sq91Nwe3lb3PDs2bt9CR66kZnRzWDqPMJ.6QBP8rZaMkpf7uJ7pXSGZMtYI60LudB8_HR2VzU_jgkEz.je6zkWzqyq4pRS30MdLWgXcPKdW2KeG0HfgjLgbT0KyXCJxXEFej.rwC_PPffqu06IY3TcOM0wd66MZf9vfDhN4ANbA1w8r_9IMYnRLE3JrYS_30ayH47Q2IpQ54Y8kzjHhrQi.EB_qaNYhdD61zsJjaXuv9uwTD4ewshAlFTZNiQiMiopfBPmH36cTcsMlHCAuS80ez3sTDeCCxmOQQcEMyb.vniCGeBmGTI0O4yP8en.SmlaIqHso0dvs.9B6.wDvnwCftpdeboC7ab9mt5Dau6QWatkDhrOussk5zh0zlaD14fp0VWNEaAdClN6EbIjBYAeVClCEKc8M36qwlXynsBVmkIiMLlQehpTjiN6QczGmoOqXZATL2I6U8djBFxiMUfqzq1ENdBrdnYUxW.0rRYuMblDa7UjUdUkuRQZreNlxnT2mjbm_NxoouEY4Im2PndJZw8LSFUNf3REaKOuQlF_Cewxoc4hkicZKbZ8V94CItOaw4Gu9g6f9.Fs9MMr4htIN.pML5QUGC1m2BrYFAlK9A5txCuDwCKHDdATC7YqoAPlR32zN_rO67L_YEEGzVsSZzmdjEeCay0PUsUlFmIC2B9kvXIWAGy3HL7UWe8TYYo6oYpwEBlfIHSvg4OkAfdRiUcPnnbn.OdHElRfbLL3OFSVUz__cON4Da.bL1iXcZZwCqRAo3uSavAhRCdTcY",mdrd: "PRY5sAX83hqcEoo2Zwc9n1xfCY69x.mJMvUXA4o8O5g-1739163271-1.2.1.1-_UjgzZGx9assGktoMMsfYyk2476v1W0uvKsd2LG0owlgssVQDcAgKGGHqFy4IL0CFzuU.r5UBpnXGW5BqxeaavxkgDFi0E4XaUNhgPtqQGrhrdHlfFsrBkKT4wh.CD.b4UMQ9WiUiVLPKsnEG.oTUhoUeKOny9Ojuof32PQwrzLR3Oe0E9XoprouXNaQawtHk28KlGx5mcvn_SrRPYBQtuUlttSaZ.GnDI86CE9nz0LNZWXt5tVmRBzebfKt3BFzHkB4aMWFffrLplq1XqA977uQxPQoGB7W2R_GNAho_nik6Jij7NrKpITyjUcVf1LSVmh7purj78Q1zJF4aE0I_6_Qn6VLW7OmqOXcZdaSwy_51IHG6sFAyy0g320IXepMINJC_LLieONIw6Z0m6PzpdfKqdte0d3tTU2urDZWUsJg9j7bXRioNsaOmv5Zl9OdXALyctig.n1c1YoAgBF3b15RAp.skJgzAsqTZaBlHOZ7n1ezsOTeuURskLq_Oowz7lp6XD_m.Pqoq.6oeETcke5x_K7UpT7s15xvslyXBH2dWVks9K8kmbKuV.OaVBJMsHhUMjoOKLkulO4cSIw2qbEVyJU5BZ8Aq0h6z17o4tXoQ9RhE5XzccnmZqzy675LQJxO8dNW.FV1PxDZRuf1parFygm0MU1EVZfEJFAHJ20YpZNzgU6s0jX3ojOvRGRPjGnL919zuzIG4Ig.uVQ105CjOooX1wuO2.0.UBI5ikzf4sRPVy_INOw9ivD3aIXOFe5UsNrYNmQ06aMa5YxCwCrSHSyEPoWZO4gGnIL2mBP33Q9AhrTcrHK.qPSYUS3EtNWxfFhI7TGBekQLg9YbK9pp7acCQBMysse49Nj.q0ZwkLjdB.5bg_vxsJMxsRKy7ZCDhEw9zaiWH4CM_c.cEdaidMpKysrTKA2gr6Wqs.K6UdcYO.FQT3j2ogaXWSYnpXHKq2kpV6S0uhmAKrElwNy08hvrH2WA21ercXZFznnNroaBBCO7vGnCsSxgYyOkEIOlRZbnr2SFDT7x4rIkrVL2boI2MBbJxbixz45h.e6z7kmWeOpbVBXwNpiNv_Wz0ii6FDGJdIMIr9eTjc6lytxs.PtReJvtyhiAjpNDlsn_8WqB1lAk9p5FKXDSKAl5OcNdoG4EU0hoFnVLwD.4K5TtJwO_A5Zdzb0glb4bvgmdvny.u5f9U8f0TLjWcvq0NMx8WclzO3ei1yuJcfzPWlWkyPErDMuRO9ZY9rUWFT6oQSNxH8VNMt.votCZiUiCXZBucQdjZa_7XCJ_dWO7qPlOk.REh9ZNpAd1GybWbv6PKtNn5Q2YivhuCIBZYOhjgTPuzFmefXF7eHKn0hZPyXHtng1qupphMqDzFYSMNbAJjeZ4IK9qZZOTSSo9FRJHt4nCNo.O.DvZZdH6CeteKBtnCVn0gavJeIxDQ72cDALGzeoQJz991qtfuV3yMGfPpDSubazZrLOkaq0I4rFWevePzywBGKjeoHjvG6fQyicCFQ10czkUR.2jVRC5CZhuuN3OMyyeeMUY33SbBIIA5TwCYIfwZythAB8X7jQSzXSYQaTj9QgOvL96.YywgMcZs3s1Gq2dCXaL9QGlJgoESqbBQNcjXKPX9E9VQOlkMvf28M9Ssmze_v7pqfYlSsyZyHHJC0Y0U6AwciCGunIRNCM7PLQ1KIA7Dx6K0zy0AH4VHn2uzV5ve6ALLj_TnRYrRB1wGceoZSbTMQTpjwt1Wq8TvgVGwZdoeGe0ry09NKi3AClWGR9k.ehvrl2mrjXHtxi100gqg.7iwBip2fefGg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f9806cfb695b41';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\/2985603147?__cf_chl_rt_tk=w06jp27rKQGyKLCGOGNcb.5vdu7eqsi7eWEwYSoOK_w-1739163271-1.0.1.1-OF8PPTFGlnvQpeuf5KIvza0gF.jI6K1DikD1RTU1K9A" + 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