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: "505976.mit-edu.top",cType: 'managed',cRay: '90fb1a847958393d',cH: '42SdTfAZQCE5d_tmorLvsl_elnd6qY_PuZOT8P63scY-1739180068-1.2.1.1-tkXhyuQSI4QhWwcxvlJTMN7dRSQ_w524tMA0mRA53h52HCBHGUtjLm0JZ7ZgeAE4',cUPMDTk: "\/post\/7820613459?__cf_chl_tk=6UKcYpR0dIkfjsuLGrxmnM4NPFoZXYcztXZdzVY0ojE-1739180068-1.0.1.1-QWLl6z1ZJU7XDZnCH4Qute.UjjMV5dh67TTRQTzUw8Q",cFPWv: 'g',cITimeS: '1739180068',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7820613459?__cf_chl_f_tk=6UKcYpR0dIkfjsuLGrxmnM4NPFoZXYcztXZdzVY0ojE-1739180068-1.0.1.1-QWLl6z1ZJU7XDZnCH4Qute.UjjMV5dh67TTRQTzUw8Q",md: "vGkMG_6SAbiNz0xnNuVuFYOD2unPBoJwhqK03clNC4M-1739180068-1.2.1.1-BwdA0QKWQuF3uuvJrvMse6awiErhBePJ1sXRXZdKMu5YZ_cbGiCg9mMrMKrdjHSQSWXO3OUk3.tUpsvhV0Gkx8Fl.i3F45HjV6YikdsnECftKLFOEKYal.GvrYZEEdnJOsYRrISbd3kC_wyTPBhKh6Pl9hqNxkajQUHo9OW6OLUKYSXZtB4vGNDxY61W_9ZtmdwEv.A92d7_BcWXkjSYoCT2VliuOko0UHTnh1sdiPomD4Qvw7T16aeonBf0jYisAL7iA846upqaPPxrlPrxh7g6e.bSdQgOeWAYQ_EFvTyk6CKCSOTGy.Dx87vm1RYFSkk9MGt6nk7mFenKo32mLo1gUbFKh7V3UoaoAK3G9pJn3LLd7QIEdq7Zaoj4CBOME6rZUU1ykDalxq2QJ35SRHHZlzC5NRQstjZERVFGtaQl8BicrFRQmnL.qKmay43U3h2QwwtIKgH2xkRBOYunfhYTZktWCeb.CYw6JZsL9PhLz7DYiqHypORdSw1yfyLZYKcI2DTvPWF40HUntM2rI7Jmgn6R7167uHvvvc5dSLix7VE10z1lFw7PLRaNczFo.56JeiJOzu3oOQarol9XpmS4Lmc1bnr7ieJ9qbG.OGIxmTMV2A_rVNde1bCNiSq6hQB5K9WKXctJs6YMMuPj7Y2xwJwdeI8WV1ebdPwdfPROb4ZdeG0s5avYZ8Dk32s8l1q3HUnRsrsIXztJJ7fcfSM2TC4w7V5D.daTQdTL_BGrHC4u6hrLbTEF2fvjdBzMtkkHdptlvcbe6d4w64I_g76YHmijzHLiy0Zx6BIwKd8u5WQCq.PkSCcP9Onnbbk4Ai0ePgpo0XbN2kpEr2tqlB7kxevupG_mWIzWU55fqp5kM2moiRHmRrOfw9YUUeajgNn8MNOBw0a.Ik6nyOV74Ziau99m6Z5OgQA1QQEPlZQoTFIZ1r938LR4qhxwYgIK.GqXrPwzPuUGb5OEWqG327b0wveG5yHyc8oZCBge4a0FOZp3rNiOIWUINoq1kC9wFOryJ4VG4nui15t8uvfWMGA7BAbYAX4UIVIe1MA64hAsuUyCBcfVi79s6tKGiXb1VFCzVD68eLKvqA5_M62AcbIHh_YeqZaFYfpuIWKWPu_E3JyVUMuJBBADOauuyYqL8A7m_2Z58vGRZJUGKNHjhWrQCOFltC0bdd8NAnkj5Z.vPN00lHdnLJJz2nTzurtW8_DBs4UsxtTiQgnLh0sMr_VDnWQoenbLolLyzQvB2p23DvUOYB.OLFMahndTwWW..9u8CgaF8qUMjIMfmxErDr.5JJ9vUZqyWMCNEhPV_anBVT4n2Z.Kor_51esExIDkyKGCGVp_mMECyKKkO8fC6VPKdYEDqb2f9hirAfiq_n7QB2SDU20vC5xUNVtMgf9WpcQGL4_2EWBvVjW02GUVn7Mpjhe6wjlQFDolQldfsQPbfs2YS1vFNTl00F51QURh1bKS.HXM1e2faHM4n5qezaqMNsQERZcGifSMwHuORK52S2LivJc2ZIJPOU25X8qmEjvpgjrW1Te2gQDWRPBWzEpaO4.AWpB52Xt1zLkCCJ1RYg2kHGvHNeTFAE596DDyWZxBu93fuMpqjS_13rbN93LVChs3U8S4a9pR.VNWgVZ9lsIjylaUMZvU0bGM.Oytt3GkMqyzcwUUPzmVMCUS31ZS1RmlUsbh33u7L3ILsXAyukCNw4p0r8CGF.K.XzLjsxy8ZFSY_qj__tiC4ADiHd6BSPMGtRoAKWlhOkOrTyrI0YL5ah_62jzsivAW689b5l179r4OtD9xzeFU2abmFFr8KhRYpLA1xnlVedlbjlVd.Pk8ty8CgTZxJ87FA4ihUZAK5UJbC2D_wnyeaVooX.7EOSuu9lPT2w8_Y.NSC1ZvZ3PDoXqZsiF2bYUxYlJ4RoclTej26dA1LEnSc05ZBlB61uloB_1NQNKRKHgPKjnr7C5Fk4kQ18wtcLjmlEmrKPFzz2pckIn9LT.ihhn3JqRl.8lVIvNU7JcuKXNBs4ve2kGRzLJhScsUU28SgVADzLpWe6MNd67a.j0je0OBYV5MwOoyuIgbapoQwicuS3YNYup8p7hZ8wYBdwrOL7Bn2kuuC7lCgWcL2WfdAF4DaOkYbwlUYO_fdbnPvMf9.HqVOq.kMf1S5SaWA0ozSB1N3R9OrDM__iWl1sbN9dLlHYOnnHxz7rFWvJuhkLyvSso",mdrd: "bYiWRe.ohmELTeyN40bVumd8hJApon4epyw3tk6Q10Q-1739180068-1.2.1.1-z8iBwfmePWU7jd6LTn7vwkCsGH7CgG6w237gT.7Oj78PGSA7wSLD6wm94uP.nSS1OvwXzpys92z3vM81IPXYxM_uQKlC6RUgBoFbi4pyEkVR0VghGpEOqUGBtW3P7adBPG.N3mC19e4khKg8GmYpxLUqUOH1AsldDc8Ml0HT6vdMFQUUXDU7NVCb7djUOpDspUDDbOpq_udsOCIkOWiWMi7BbMGdKSusKEPjcr2GDg8kAmZeghsIAZbrSxLOTC3VzA6tIugqtrDOrJeiRd.8NcBF2ctnLIzhxdG8e_vK.SbsPpg7.OwfVq3U9LkM1UzQSYP79vssyUdUEzM27d.XkQFOhqdHcOvbxx81NQcSeC9F1KX0NFk4R71jdMwlK0Z6V70ar_ob0kiG3dcYjgm9jphY.8gUu1nNfj9IrGauzvcBJOXXeNtq4g1HotgQj0ynZUyd7HTok72eolZuwErJNJzC0ZviiLqBQABwDnZKtiQhCAS8sNBu5IdWzG3djvThU8EMeBSCUdgnQ6qgC.dwlGXbn2YdPGem00AF38uS8vX8gFuhsNFUHD5R4fzkZ7h1oASl8xkFJ9Dray5Z3G39G_T90YL6ahs3a9FmBLbSPmZYNAhS0lsQDl9Xen.fPNjTu328AGYrrG9n60Ko7G6es1UUmhWDUxv.uL7cX2QM.ojGWcdgAyJSZ8rFVgUEMgFU1K_54AVnQeY1clOre8oXe6dDOTbivHIxktdNnxuXqw6ENtx5jIiqGPw2vQtJ.rz_iGpTdIlTVg5acU6Y.KsYr9VeOwPB3MjrpweDIEkipXzElLEAPsKh16pE6EqtcvaoXMaeNzWaxhZ11NkG0L2lP9_nFlyPXM_7_ksVVzKWqAldQTLzi0m2ygHIKYJnCFPgsymNSNOsx47uyA_7hwvtldHqiIcaDSDxZDImLFxzZn4TEL9HFUB8OoAIEtC26OW1Hm9xXeewTyYwVJ_XSS3fouVbhspN2RqEhABZWqFjSVe572XilhMfH9p_.aYqgCa2dbBuso.Ttii4Q52F.dgJXv6XqMTCVIH8E_tepyon1lWJDyvQlurtCI8QjHlNGp7NMpMJQ.hDsjfsUwXGUsrxiOEgKtZk8BadL6.2YvL1FQADq4spf8y3fptRDXFKQGDP04fvjNoThYrXkXZ.yDu9ls5.t8MNo62f9j8rObbP.wImq2GfLJGnv5TzFl6nVxMge5Ri.0MYie12ii7UOdGM5JnRPifKDhB.XuMNviCEmcgcf70ZarKccTiPSVBVPNqx6vWUwBAA3ZzMT08n8JSPFaCx2q2hKODuQgrTjjLzQURrz8o2j9G1QxSLYyo4_F55r43ZxXFxu7NaZSmqJADNNfsXW35pFYX.Dvq5aDE93m1FIwp6.nzD2tC3rYIBzFBGlxsFfAYbwh0lf7gPM7CY098NvDp5MRMgJWGUw6kycd.ZaQ97jJuKgaONo4.YPSpX9FnhpaCmLMMmONyvA8f.BADQMTL18lQZbTb8l0uEJrLSwoXQLALtyNjK6zYQNa6iFFz94GTbZ_ehje7g3pAgmCiFOTyRDgt.rEZzBwrkExOn3XCBNoayVAoS76376bLxsqXsOd1kJK2i8ApshtWsaJ0sQstrQXsPD03XAtfw3NVTDJD4cgknK95sH5sa4tmpXOHcAy9QDbALgSxzwcd2WFKcaG61lrq2fT63BZevXZEqM8M8hp_0cUE6Ou2YWnRRs1mEZkQqb7v8w5jSpgxO9PVOAbja2H64at9qyir2Edcujh5AgTkARKu4JV.Iopzy"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb1a847958393d';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\/7820613459?__cf_chl_rt_tk=6UKcYpR0dIkfjsuLGrxmnM4NPFoZXYcztXZdzVY0ojE-1739180068-1.0.1.1-QWLl6z1ZJU7XDZnCH4Qute.UjjMV5dh67TTRQTzUw8Q" + 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