for Atom and RSS and KML
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.
<!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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-970829988842.mit-edu.top",cType: 'managed',cRay: '90f6ae8f7f778000',cH: 'MEoHQwG_jBBNTciTPfjwT9da2ceNbrmHasfkiwmh8ms-1739133703-1.2.1.1-BjAVd6dwPU6TkR3wzOL5jiGkYsaWFmVctzUUSbxDZIuGLV_8b716_y_6oLcJoPoT',cUPMDTk: "\/post\/5932816704?__cf_chl_tk=BnmF1wqRH9UCjGa.agTH6XxHzNJNl2zxcuSlU9MbzqI-1739133703-1.0.1.1-NetV.gjCJi04WoAocLwh6l0UUKG9HpsiG82kj1LeDBI",cFPWv: 'g',cITimeS: '1739133703',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5932816704?__cf_chl_f_tk=BnmF1wqRH9UCjGa.agTH6XxHzNJNl2zxcuSlU9MbzqI-1739133703-1.0.1.1-NetV.gjCJi04WoAocLwh6l0UUKG9HpsiG82kj1LeDBI",md: "AXgj2PsVq0f8Gg0YRaJYRMt5tDxIX4azdTfcsWWczJk-1739133703-1.2.1.1-l0v3Cm61im7W7.wkuuhD4xMEq3nVeg3Mef8uaoe83XYPpjuVIOzj4kHxgdegg91jstgdcJsbedUr5Gh1dLbwLqubxhM0AC5ijfjYyjxX1TDXIPyimuLQ1AIc0mcMQemUr1IHcqn6gWn97_feQ2s0fIXVZG4l2X5JNCKUsG7gAR2k56C7KpCrF0nCSEB9FhhBlYsjNMBms69TkLU1f7.ukAy.GsdG7L0BGceqYJXBMBrPKUGIMZkxFi3vq.oHtylvNGY8p8uPR49zWTFFXooskZpOXZA3JHSv2_l27HqKtK_qyh6Tg4RX5mDCG1hryVTqAa9V7Lrnr1VUwQAvKYx7id6WKVcRS6mnJIlDzqv399aJ7IvWkSsIslMv1kdpnvgELRMMNRfssN8OCBbG9XcRAqRwI8KjBpWTPmPV3pF3QCe7fIWdjThjG3vSPY9jFvHdWHau83nt5G0IhG.c6UETHB_ILrOs9Y.OythLBF9r2zeXjjxu0qTsZOUEG4yIE9_OpdnnCzzsAwpiAqrXXtx1_LLN5.4zkum3uijWhrl2FQD0ZhzzEFEJEZf5Adopz_ybrMTcGPXzgoWfriH7VucgiCZP552Igstcy9pMPL2LjFnUGbHPMt_J1vWITPS6dJ5Zyk.jokTzJnjd9fhsrOYe3r11yoLCMdDJDMiN1AR0kuDPCCW5rrqj0tC6sK_GmMbrSWgExuqjEYgtzcvbf7l7EYDdXlTuoVqrmf8ZvvDx2OQ9SAVQJECwz5EkP1EMVxdkKXo7HubVoPc0KE4wxdQBTWJEUS5rzmNtPsHEYRTSlYcwMRw5Dm8CCfG9z8Vmu0ZBS0KcfwPKLw2QG05IyGpA1JJOkdo34QNYq_TBwXs3RzZcPyK8yttIcF4ZSUXnzBbTkvVhdyysBMLh1npXTJEGwp3w3NWVnDL6HZxpKoXqYqgh2gkTK3b8g3vwZ8rF_ojfkjxHNrss5lEN4n8XaeONgubitMXtknlkbA8W81e2maHVLaUawMwrwjhx86x9X7nsygCU48.ew30X_CQDQ1nmSRIkBIiVqqtPrNI4BkCtHxnh.z.QoLRKmFJ3W6uU__AbgvwMHgf8XeYDidhrP9uNQ5ZLwvBeuqPSWHWofGKI0CAquuFF4KzmpjEkKVwvaPSUJn1TjhjPAGqqvEgbxTkLZEt73uqNAyVawFx.zCR0NTPyzP.FviZ6WtU_yIiL_IyjGyseE_MZX3VCsu9Qv.CM1lmWXN.At5tIA0MeXW68kpbQ2gvlaNwe667Zw4bnaTx5ry.1GY9moF405vLUkiiEt2qvTTnBUJwEBNAgp_AC2xBup0jzSBRIi0.UoivJbMTAfBqM_rcAp6CJ4REH2so7kKnjIEpG_kgJXV80kbgtUJC31JrHQXA7jnm3Ek9iAgTOk.BVsYIXWPJok5v6W9zLXeJwA_H1n5K4HD9YIhAafC1Ll8Z1u6VDWPl8HcljIsDHkdSewa6EiliRUCtTE7uRH.G8K.dKSCN3NMzbKdVG.n4JU991dxBFq0X.rJrfb9Y6ycicjzfgIxuSfbWo_CwfRAdn3Mwrtaves6yjt_sROhcMzKK1Bco9A6cWs.uyGKowRQe.XBIkrQRKt5l5RNiAihDeFPy4REDP4_XDZRMrHvumWoG_M2a1Zn5Uy_5Bj1mD4DNziGwiPwZZN7r7aUEjWcxsHzMhqZDfmqpR9N5NrdZE1cIP.4b6gyYMWzW.PgChtil9Hb5GY4.Oq2a3SCEKkydNtedxiooF_Ttf.Q5NeLqngPbBbYeZP2DpfiuLg9r9D4_Jobtpb6PvSmQ5Vcs5EUdbtlEooY6hO56crEG1LHnmRf9LYJQlottHUdnA6v177GmQACREhmSjo7hqIN5MLEj5jtS0uGn9VN75kgdK.HtSCuyd16Ki1Db29kXo2TRlIsKMsbeWLuCrd.vQQgz.uqH2OwN_8yxUP7ZcoMetYAl3IHQb_AKrQkxBpdOmukHmCxglM1ecH7Sb_EIjFprm5iFhVuAZmmw6H84D2Jf5WtVpCmguuJyvcMytoVfdtPlOoYZgquaIkpVapkzG8zZd4eA49b3JhERWS2IP6_ki6399rSe1tbXvvgHvz1K6XsvI9u3laQU6dvtXAGRK7WqUxNNoNL.E_W5In3zHlTh4YRadRa_9576gWU1MqcwDpBPsPA_FjRW4Yz7WgFCYgNR8q48SvSSJJfF5lYB5zcZTuqglZsMZTjl.LVDj29jMjkA8",mdrd: "tIHbxPOsBVAyPGMT2pQT7jg41rUlbSPFX.E82UHv.14-1739133703-1.2.1.1-6LcaqqAjifN.7sTdXFngrWOeGkDlkOlAIatDmlDr1hTBlBmlXX7iXSEL9qNRnjPGfRPCQvYn6HKJf8Vg0eWgC1RTmpOAUOLQhe1GgUePhD2VeG1D4d4suxAonDitEykTlUo0xY15IyZoPqG7beH4RdGMomyX7wByyKIrLDO_hD70PkxYF6VW1lbFk58KtoxvYb3lJxCQUy6oIRnqXHuzqztHtIPIRR19VFX7djdlM53IB65r2Y2cpDa8xJbX7mW4EpFrlIdT_glR0LJlNl0bXhmNIlqHTv1vbtQwuoKo1rcjSCnxdzr5VMgCvCeaq8BdxDwADXHqNO9SCh8D07liYzKgnmD2w82sjSsQH8IViQyxnKyipqkaAHl6eemA5Z_YISBMuqKeoEOfAkXfDumRJNtlvsZRyCXysYsJj0cKUjJu.rsk0Ukr9T5Jel5WyRWHZBYnE90DyaNwNPUdQ8r4uZhA2lHvZMWgtMlhxxXyc7D82WvsCnIoYLdS06.Gqf4YGrChBVsn2Zqe2n1vwLWtA6g8TES7RCajxMmKALO10CAS.l57R87IJUEvKLdSphGMp8N5k7wkoa8w.JQUs63Ivp3laez3n8h8HH9YQv9MVZrIXKoOFr0Flsu1kHjWLeTbLLNKkWr4iO1Nvd0M7fT7PaGIsv0eNZqKua2R6DZTD3kkBK5OkdfMHpFLIvq.Qs6chejcHBee18kUfNYcDC5GyvGniV35qVv4JRLC8kMQFn.ohH4TMM5A4zBgJKwVDDSWIqcuRp28Tw.leO7Jm0iZ.oBeaY5Zos63Pi_keLN6J0Q7BvVzbQvQ1NmDDwEkw9hfeQ2.GXS7HiVLoKlK5dHx.L54FJnI2070q.0._Auil6LvZPrQt3Smp2xsRVpywCi055SwDGr3gdILftfIqlJozkylOz2Vb7TATl9WdL66CFncKLT6NERZIiL_gJpAIAsjwgRYrd.pFuJO5JkUJNtM2iutWEZoN26YAWvltbYJjXEYJ0GhZQdZVYlRk5C860LRoEYYtz6oW.tOHS60q5x4RdsTtZRa3bxLAKe7Nwsd6VtkIfKSelSJAsVo4RNlYrQZE2MOmVAtQztrMF4unnB4xysJvuBWVLr1uDL0rFYN6xTleqjtcTHSMRb03_kn7XGvPpYx5BOiWb4_4wLrHZLzRGPTUDACh5KhqVBxubLzqYyuZ7q4j_xXvjBu4x2ZD3K5O93odTRZZG2SR_s6chiNj22Pdq1zcr6ZgpwAZy8hUF_YxEJPASDxa4_q83Vg3KX19fSnLbVKOXleQE1fROKf4dmE9sfp1Mnc6avEqx1ROytoCZAo23mF.4DzUO0f8PlYm1Em34HgchebPk5p2QLO6brxeQ6ZiKnk85FcWFvrviUHpMyOipoHgf_pHs8sAoMim.cKZ9KRuWjRgfetml.cBTgX2OPUL4l0F8gYGrNA2.OP7wC5VPdCKPCRiw7G0_FBRI_x5VGlurvNv0eJJ2KhUCz3NDdMpdjV4lxTB07EiwuXwkBCESXHR10NEVMwHzT_cGyG.tapzNTkHz3Gq9PwOcSwrkN3KHM1f.jlXUUlwThgQrwjWbjDTvi2v8HgEEiEFOHz1haG0nPWiVeghDcDE4SkwiDcL15BNS6eYniGAOa5S2DBe0ccnFlIhRI7dnyIvpI.801JelIFDdcpOehmI13Us4JTpy7D3kRRw3yloe2k7t.LK5yjEygmBcc3fZmTyVw6iUGU_kUpNVoMV3eVY9fbVUhiNlglbMIm.draYmk.OefHnpNrVUZUM4EA3W4bW5rhHhxpQne7r_0m91Ie4w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6ae8f7f778000';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\/5932816704?__cf_chl_rt_tk=BnmF1wqRH9UCjGa.agTH6XxHzNJNl2zxcuSlU9MbzqI-1739133703-1.0.1.1-NetV.gjCJi04WoAocLwh6l0UUKG9HpsiG82kj1LeDBI" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Home · About · News · Docs · Terms