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,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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-7561980234.mit-edu.top",cType: 'managed',cRay: '911050303ea7d6bf',cH: 'e62CqdKWaIzXIiExQaWEF7ESUjlfG6bvhp33Cxl0wd8-1739402467-1.2.1.1-Uc0hwOt_ry0don3yGu5R6WGMQZf.qsRf.KQONZtwnGepGnr7L9KUB0VvrAt4ndqy',cUPMDTk: "\/post\/8910754623?__cf_chl_tk=sXmz8m5zVxRkvpl1d04NTZJ0NsqUqLPrESuspS7uDwM-1739402467-1.0.1.1-1LmGYL5b04wBVfXD7x0CMyJ43T91ZWCATYxmOwpE_EA",cFPWv: 'b',cITimeS: '1739402467',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8910754623?__cf_chl_f_tk=sXmz8m5zVxRkvpl1d04NTZJ0NsqUqLPrESuspS7uDwM-1739402467-1.0.1.1-1LmGYL5b04wBVfXD7x0CMyJ43T91ZWCATYxmOwpE_EA",md: "20gYAPkgcfWWwfh2YvNH32FblvR3F2PyTsN1bBI3_xo-1739402467-1.2.1.1-6M5XRymv.18OHasJx6vigr5YzerETKN13zDw45iiiWHskOW2fKEAj6ODTOdnxJceWXehAcrWG7lZsLUcRqVQwlvoEZGH55fZmdauJXIo406Jx5qn0x1Bj8x02KqotTeAJCJme0Z1Jv9QwqdX4QBOe_rfG64lma647eCSwJFojDx498aeV8OwfO5LR23XvHZVBFcTSd2OdOXUP1Rsp8_nx1fWgK8MHDi7iKs2qCmUnFyrtOUg8vtBc6YGHJBu8m.phXZVNhT1fqEmsd0CJvkvjpkFEzT36qfZ7RavLnJmAiKr0WlJJAGIdu2BKSHx8crEEfaZvRsbNSQHp4TrF5mE6bxB6LNPZJoD7PME80PdgzLd2HYGQFjOKtesObOXJvT_AFyRIXpPRaFKNJ1FMyqEI_Th3n9pEFck3Xm9lPzolvNyVNvRCT.bFDdv2SdYzaXkbh.iHGaM8jBVYLHtKpIbnGxRhg3nFMYGSpKqkPhJIcJHCmrJyogCmwxyesVthLIUHO1hfyTRFK2.JP_Zlmz5e.Es..jT220D49o3bHxOsEKu0npjndke_TfP2MdTUzHybwVZpVIGzeB_pMAosOJuR0FizLj3avqay4hR3QaopyAfO7qeJAtHzx.no9b0akyAONctKpDrFsLM8eNFlq21ShxDqV7jrNjUcgaD8OrEALQgK5vO957kqQOqIFKLxyR_OLjSimzNcBo3NZ0UPmR3ka9ETMvnjML8aRmSIjBnynagiXJMf6kRXDASSjeS4KfZJNu4e8wg8lKvwi651tgMFN71fSsPmYFdg.rbI_aRK9eMwWeEl3sf1vP1wn.738Vz7dS9KEkzJUcqWH1pQdj78VuxAOA9KDW228Zax_CAriR.9DxofgKlI3qFsy03DAv2Nx9N5ccbUpmUJ1Q8AjJbcgmXoLA46yfUe6au9rLeWylDtRbUCo5St5GjCScDfLZxGLTo8UZP5PQDMgbDcrf7XgXkWR.iOs2dfxeOoUhk_QL.TkoNTTzr142h5BjulEayMg1ffVUWKo_wuCJ2ORNFBkj.pstOTrk2qeYG4LFRBESKeHG0h5kWSg2xtyl1GH9C0ODQGl8k8p_hnLb0EGQFg0dXyLIc1QF4_VSy5BSkhGLbS3MfPVOs36P9ePnOpM.tv0JLsFxd4.EigqCA76Sc36BQ1hr3_RpGsJn6216IYPoGcxL794s4S7DoO.zf9y209jPTi20V9zKuE51ApV0NL2ndpGC_dP7AQyT6CWXEDs9XPxA6QnWQSzz1s9lgTjm.VV9k7VyF9oK8csPY1DgspQbaesUq8gzkGRb.cYQyMLPLe2rR6EcuvcrHLDEoP6SGnU9.x_fg4xt4aRjGdBdUhK_43wYhkOtbUV7B3DZgREzCHxjP0eyooPTC.hkh3WJahjbacuctO6yKCYhBiWgh4JX1nS.vupXJiD_fDWZwG8_gI77f3aX6V18Xz9gtqpNOGfORM3NnDoO_iv7Expa3bX6UrK7Xbl0DZlRB1fwOkCsjBnLI3Lkx45Ca2b.npr8x5l.tT8TPeeq5HvV9VjeiDjZAcoiGoWbKfIVOcJNQEMb21OTKyoAkJKseX6_Y6GA1EDIUwol74T_GDMzaijpSHNmp_S3lWfMOjQZ.LtLa.jA6Og2_t_TGvP.pH8aHNktYPQ1VvSpFHSk0TSTry5A2YBwl7UoiPY_.hSRU_yVTEclzfJ8i_TNNBffLAAGu.5gq.n5tqKGOHRw5oK666a9zFNnkDI8BUk1AvLKXhyovsZU13ILigTQgrDg6YV3FFmJFUczCMjNWP8z_nEYLwxRXQDeQ01Eu9E1zwhbkrEiK0WV6iia9tvRMe4z0.8sEamdCWnnlPgPZ.zAcLDi1e0BZd6ITZIgmg3kSxOfbn6DDs2L9XQTh1xbmyfn7F5UxCuSXb0mXW4CrecaXlZ0gpQ0rKNzfIitjMmzHTRa0P7NDSwRdQWKlUcO.T_QW19GMPr5w9A3ezTWrLuzPwYP2Mjhlxq5mGt21RUqurkkVGjC58KH99tQfz9tJNsCOwIToJj.vMp3x8KugbDlFnQ.UX_mqX7koBmd_eXB5cfKUB5MFEzBk1AwxuOBtbtbafAFXm.6auQli7vZVsDydZkGbuBqAzv2yEntwlPCMVf39SgjrKEkXnSq9Nxhgb7Pj2Bv8wvEy_rTt4bX1iXE8NYa_xlwdMDOmpBw0dzlKTe2lAQz94jJwTYU2zRKc.W8KtDKfJ11g",mdrd: "Y9ktUnsNgIpNvbXYA16UKOrQ9Ynm8XjCxhD9IKjk4DA-1739402467-1.2.1.1-KRs3kZsLPnUVz5L6D4Kla736XrxqcNKd7E6EuaxTxAPcmCvgtCFFG5LVhWVzPSqXkCtMWtKmqukkI4Y_4_qC0nfqSvTGiH_YzQa8hXvjgEgtxdjkcRu8BptkLv5Ba7B6w.rn26RyoSYAxyppfRSEKIQSVGwtUg8Vjpq_c9mAgXjc_IyN.zPvgkBph6QI9rLUzwxBTxzK4x7GfD.oRC_36EwXB7d69rbm7AhJoSRDu04VVed6hLGmgg3meTTDteGjtUtLa5.EfDMC.tMO6Qi15f4MNX1lzxPRBmlvjcg78uXPvH4NCO4gKnPOrYb5yTcuqEG0ZpvW_Iu98lKcKy6VX2DiDWjkLLs3swv3UaZFyGslgcPzWacwR1HGXL9BV1PDrEkBNwejUigp9HmfOuowfx6voMQ8AbQ3SlOnbltH6CPQ3.Gm6rQXZMnezWl0XVu0sfsVNy3qMQpPVha9STzyqHTSJNJx8LrcnyAlAwHSmsTcN.KBU88ZyTW4SvJFjmm9a_q2B9tdo0hjpXGYKoOhzWyL_yW8yXYtmtAj6LBOgLBVwjGVcPeh_m6ZDod5gm.RFZjHpYW70TUqoEFVj0LLRRk.JZw.LD4h4K3abWfzWJyZvKllwsNtN19Jl9XPK3SDZ_L.6kV8OkXEvXFEeeqHkn9ZMOwXZkKCj01SoiFfGmhWhOPJ_vQUiXDIm2c2LEnM8efuuDzatf7GmAqghB_QVS3qXQ5ZDx8JoamN1Z4vubao.bxnuBJx0DuXI2eGEgBctnm1mAf.h0zI3Je2WJnBzuvYIeRJu0zYk_PX9KL3ts5LvFgUPEcEQLSBE6LMZqTFbta2BLSHU_I8GOkTTvYOkpZZ3BpvmeIyLCLaMHY0B5YoKkyjINpEquz9OuXrvYW_wV56Cui5C2JtMdzf5DWIXNWFIT3q97SVnAjVF9NOOUdRTCFl6LuD2LHvP1Dt4bQYT2c90C74t8UlddlgNPFgTiTv9VRm497HKFw8Z76SiP7Mtg5iYJZRptF9klqcvpHWVpJUPVXtv8FrcVTXIXgGrhPoq4SyjZKXKtbgPOYDvH30DXzwrpqOPg2c4gL3u01t2uvOuJXNWleTejra3GBOHkxulEsfCL6LyA1MBN5DgP.2GyyEH4Nzvj93xTUhwih23PSzEg.C72VmVW9OM0zg1xX.o1Axjp19Jag4SVhpS7SByi9jDzKiTRwS.LFuPMEyhbDGLTePmVmCxpAUD2jCfCrOt3jfePlTqnHvHwCeGH.N1C7EM3.RwZ5hFC2pfFrhqZhFcyYkFkNdJyc9ZrFLUzyuJ7OmTN3C6BWxmSHWcF7iPhB4Y9wSfAOjURHBoirgcvNfgXp5rCd5oOtdFOT.dcTXEdqqEIGDYeNXZv26AEsqbaZAFN2rzhCkW_jxcdjt7fWz_s53kgvOC9_G.Bvnb1ewiZvGXdMuoLEDSG7Yrya9PXmQtQqOwgOct7omhGV_jjaLxlyKwcX_ZKsAE7HeNTbHlXBO70QZoAEq8X.aIva0EQTAbHUNle.WURCVxinh.QjvKKx_X3ra.7SeSjIhSJb2U6ufCN5nKxpI.qtmdpS8yN5JfZyz6QnDipOWaTBZJwfd1TU38YV8EsOqTegGNLIvpzg2maMObZDZGf9amLiKWToSz8lFuB1XFmPH0xTJnAjKoqCwTbhFWGDM6lyaOkwE4tiZ19261RFpWr6._OWztfoavFkAM9y0UvYr29qUvZQ.vocL3K6zJWgrZF2vtz2ZMbHSCNy13QD4ulqVO_cEiIS7SpQ0WeYoUtphnS5wAupnPJYRxs1etbc9BcSA.A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911050303ea7d6bf';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\/8910754623?__cf_chl_rt_tk=sXmz8m5zVxRkvpl1d04NTZJ0NsqUqLPrESuspS7uDwM-1739402467-1.0.1.1-1LmGYL5b04wBVfXD7x0CMyJ43T91ZWCATYxmOwpE_EA" + 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