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-453757444337.mit-edu.top",cType: 'managed',cRay: '911051e68a82c99c',cH: 'eQqOIIfbiXYHaupLefw1Y9Ti6vTHEjdx75CadSwqH7c-1739402538-1.2.1.1-T30QORMBGGT3R__SsTelsM.ho2PXqP5lBGjIT6R1jzRo4o1HSE6Zyuzyw086yiTQ',cUPMDTk: "\/post\/9285746013?__cf_chl_tk=HZe2KJ_pTX6dWld39eGE7lhNb2wOIX.Yco_6BB6nmGQ-1739402538-1.0.1.1-Rk27MZRBJbF0ht9LgAuwcQtjHhRwoZfVoeP0JTMRZbY",cFPWv: 'b',cITimeS: '1739402538',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9285746013?__cf_chl_f_tk=HZe2KJ_pTX6dWld39eGE7lhNb2wOIX.Yco_6BB6nmGQ-1739402538-1.0.1.1-Rk27MZRBJbF0ht9LgAuwcQtjHhRwoZfVoeP0JTMRZbY",md: "gOEJFSl9lon2coJJiM49WUgR0UBzFckTaYkd4dasfZ8-1739402538-1.2.1.1-vk8AONRl9li78r0xaIYpcaGJyQoZDrkHXFzAILBHuWQU8QXUCjsMG7Qii0d9yXdM_hB2kYqiVWR1TTgovefot25EtXuOIAW.6bCvl3Bw6OcwlSb.fG9pXK3R1.5PksoCajX6p317SOHxg0X9a6M74mSC7BdTLkF6xJpSOzXpJzc0PQ.ZhgxSMdJ4SXrMyBady8_qIqEjrAN8pVGMTjrCvKweQpABgKxhmrB.0HVf.DhOSIK.I1tDxZve1MmpZsZveucx_gcrTRjDVgckwTovST8zjjIO21bPKLFQ_F6MYn6kjSnushGLNSmXCpSFO.7zaBY2UUtplcEXpcy24ycwBO4GjMbsraD1CQClOqPQABMgQa8JyrpMf0fI_2FkLOahQr8ntQJisZx5_BSw4sOEKvmW1HLZU_xJMdGeY8RJwxZksdXP6qhH3Zt9IJIRUwBKe1QHBRDAx61OKjsgToGgLxGn42pg76hgjXDtA0Zraegc9oZ.2cnE8McGqTe23DTGENzL5L3QGQ9uHg7WEiwpuZfOFq_rWtUIpRYZR2w1OIcn3w0Um8x21xdSjAtXeYpWz1tbxXZszPkRoyKsse1WE0As_YF5FHOcUrfJgBPAVigmTVdFp7jTDi0FBglnG6TOwWm4jcQifxJM3tYDGRIAwAEGjONdr1X8YuCPBFBYiEuq9jegRBx8qdZ1CEbkQXHI7_XWeptUNKr6cdZ270A3mlGhyZ6UVwVOFBYU3WpmJxNUPzghjubSOnUT.xsdu92iwDdXwVxXv0mTVFzMMXng_Xz4goctl15qumY4pmtAPnCcuflHvqHd2MnGJEmEAKUbEwz3N.0U3tGYG7e.921Ztg9YkeOZmbvtw.NLZKWnxxcAcWI1UEoZcvN.Inaa74SBilAQR4Oc26tVHJskPlqZ.HqJQtcH_WqLKQEilRF9I5GH4uI6UJljI1M3la0RRIr_Aie4ILpHHjvWyQnN_P6IsPbAdch5GHE1OQxqt_c5iNtwjzK4Yb5YPj4fv44qJ.pb1piDP1_FYA3ThAt4GPTeuHjxiNzQEqDRWN9NJZHKewm_v10K7mPKqa.MzqRww318ic7tauVvoAQWBM2Qn4WpBpNpeZ1.tSIf53WKWJEhDIpNWgVlnjVuH3n1xbgSOVGWdOvtmZ8vpYKfxUcGBQpo4HIUQ61SYgDutaok1J..Hx0vTOne33kdziwKqp6sTUoWHrsS7UTFgKF6jvpzlL.rOaI0kHxc5tj26T6UBz3ByW2iyXS9w_JE764.Wmw38HkXB1.gJ59Fwff.vqWwZ0TuPmwBaAGqZUExdS7NokLfA0jDSQ8CfhPO4_ycWoTUTwNTI5r3odTAjZ5fqfXlSbP3.WaZ2U3QPQ4E2k_BtmDP5Q9E7vy2CbX4V2851DOdmmYQyJ5DV6x_BEUB76RRKzb3.fBCKaABy8SXSwAgyhk0.wYWEfckCEu2xB79mJHkcG_CPm7oYbDmIEsGLMBOdYISHtTRKlf2ACrA1bwktpjtZ7nEByeXtk7B7N88hnZuUVQPQD47zFPEe.vAIfEIzjJDtxUZAZ0kUbPrwFnpnRpqvfAF8C.dXBhSsgHRD5XFnI7QxW5vDa.TAa1tmB1l3m0guE2X9NSXR_WePRPDGrspBYZY6WCx5AbfrgAd7l0wnvTOm2IDzIJisicnqtyOiNfgZp9sVkXBh0lM9VmhjKVQ0SHeE5fsqEeqIv2KtZU1fFVv6tGssU2AweTahMW.hDdBc4QLtF1gIEwm4rqIbe8.nXMCoPYh0K0XKBgXOMQkdBLl0TRpA7_rVf8WlwHVOXBUpXRxb12VVHnaGp8Fh3CA8_tmIY3JyIWGr2P.AZJNkYxkwLUGa_Pc6hCFzC_O5VNT3BQes.Kr3vMEaN.fib67NjPdT83ACHPZ37F3yw9zRPnmC69M5ApgKWltIsyVB5vCiMqX0U3FWRWbmtJ06q8I.oBuWBfbGv93V7ECsJoDp6lEHxxmdEIJdr4sEwRUp92sIwZwuctOTr6So9Tn5iC944kGwOde2K.qqpterYSE6L2UDABsf2dirYR.5s42KDoYAZLYMh.FzWln2xMHec2twOLmAlNdKWwUXYICEy5YxQ9fcaYd5wW8n0hs32cE1fxBXU5CeXzw7XpNpzGaH3jsV8_UStKZ3VvAsy5lJhv8Jm_6FMrbEzzECjzIYZANlC.d_NYi3Pp4qd6RMxIST30Ez.u36gryf6Wu1ai8jN1NDMjg",mdrd: "7GV6RhK.AfDRDEbTv8OF8UXA5I2BhKDg09s6virVjmY-1739402538-1.2.1.1-re7cGf.gc88301n_wWITl98mn_EUN0dVfSxuR1tsPyQlr1D4Wg0zBktsV4w4vTlA3K2e2orpzwpV3XempYpQ3b2ACPcikEQivtGZGIxx8.BzmZi1wf4DtjWUJmw.6QJUA4Qm3n8EbxNPsEulMChoPOsQFobXo7k2RD4aign8.8wb5Qh7xZejvHdk5_cELfH8GJhzkv.QtB1qOGm6mJrvmrb4gL45n2bb7AfK4qqde7B7Ll6N51Xc8lEoKIl9pFesZPyMEWrOH8f8TYYoCunVUsdcUOVsXHhWjqE8V2H_eICGbwB1bYQoV_lL7l3aoV2oUEdfWP2yt3tHYTkAVBBJEMeW_c2noflVcLxs2TKDS0sD_9AMPA7UTudI_QeYEUYXDqtMuwsuOxJxqJXndVMjFg8557IzE65bVDK8bnVvk2Mx_.UZomaxyrJg9y5iYvtMM0wp2jvQfIcuOdNR9oRMEg7AaqA1nrdkzhEG8AM_PNw.qHZqo5BQwKQJWHl7D0WjQTp4r1THmeE4yqzXLrJK4EziS9cHWf1iB9G9filGLFj4XBbrD8HTCs7VBeXPyfLWx5O8UlMZT.Xg0mIIm7_2QnU.c8Mfmk1J7c3HZvpUdlTaJDeBiLaWF4pQzbId.vI5dUnIuiBo3BSoQSqyzr2aXhq52wI1pjBvb0b4Qq6R.X.Rq_H7k9q7eXZgifRSh3Z6gj6nsd6dkg9yjWLhT3_o.UELhLPSJfCSIN4bTP9J4pqui4pChtUV1RGRFQ6fNF3tWta6DpZfpfumscGvMpzLBl7lGkAZOlh9xEwxdkVfjgKiXzVc90AZ_FjQ9.GUVv_fvjjvikzDA_v.KEKdzIc8PIos_euPz4hIrGzxtEhXf.UAzcMh1ylj0.kEySkKvOuDm8gQp3o3ZFISduM.tNVdeiG8oXJzyjA6OVPGaRP3ysHhRP4PiqmmVDbgS78L4iZhVymnLyRGjx1pwfu23C0aSCzxXurBjMBaRIVluXCaLwU3yzjojYADn4UhJl2UiFp2rdIozs8uzF1qRG83COGUSfGi2zGvjkBfDQvBEhHZ1VUcmo8ixP8rGNUPTFwKkGOn_w7Nwm8HAQjFpi3rl3kkbmrIi_zERMhuBAVu.pyOs7aP19hQFjNu51K4ONxqPSEB3UaZxDVlCyFI9etOKBZcZ7JAFLsOREwd4SOoQnnunMWvxprcl5XWYsugD.so1TBD2Hl.yLDFmJD209xnzxWM.Yx8AFKcvaGXtqwL_oZDgGHrRg0rPjdMEdRm38YjPENFHgbI1w8L6XLxASOALaBJ.BF2CPRSIyR6CO5HUXcG8kMtyeAa04v0.67AucVQyanfGyrNb_mZDDvBfRlmJ5KYA_rBwWuClY0JguiMoxWsHEmKvNlYqFIvbSpqXY445Kf582csy3Xj1C50.hRap8LpaawnNZEFriPWKO_ypE1M9AGXkeSzdbveBIXlLlqs8AgUahRLPjRjKtqD_37WIwlCjQAByYcTSTTu6m2QkS_Yot7HkT3XIVMhEAyrV_aXlnYowlwc.hDfFuZnk3CyyowL.l6pSI4Z0iJOeEqmXWMpabKoDkwdhCBTgRT.OAXVZHIZ4Z5SvUpZC9IlehF4aujOkjllmKwZtMwq9N4YQzsk8MSruIocG98ZWtMR.CM129Rgf0Q_qJvuenjsHFMX1LuEiqbV6rZZ2ONEzJ3Z7Aq3QIpz8YYQHG0DTs6vz.6uETvAb9Y83wCnvEIx6b1GuHkWhSaL9N.lj6ASMWMX6kqPq10LKsUnPTnsD5g176Amx5XEsDyAkgqI0qUlPPvTqC9gKQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911051e68a82c99c';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\/9285746013?__cf_chl_rt_tk=HZe2KJ_pTX6dWld39eGE7lhNb2wOIX.Yco_6BB6nmGQ-1739402538-1.0.1.1-Rk27MZRBJbF0ht9LgAuwcQtjHhRwoZfVoeP0JTMRZbY" + 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
