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-062941224093.mit-edu.top",cType: 'managed',cRay: '90f61c3b694e5a27',cH: 'b.Y37szb2auAJXgqLW0kq4reuMDeIcfRnaFKNnYqAaA-1739127709-1.2.1.1-LkxduUdAPYEI4MrnRM4skS8ScqpYLPJEHkE1QBdTEtbXGBhkMPe6U81K5o6PfOX8',cUPMDTk: "\/post\/9871430256?__cf_chl_tk=8Yn_5lYDbDdp5OQAgmGuYm_CoXfbe0vf9zh3FMtmlos-1739127709-1.0.1.1-_wEbICn2jvvzxaLeCiHKn6mO1G48xSGUFgA8RraMrVo",cFPWv: 'g',cITimeS: '1739127709',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9871430256?__cf_chl_f_tk=8Yn_5lYDbDdp5OQAgmGuYm_CoXfbe0vf9zh3FMtmlos-1739127709-1.0.1.1-_wEbICn2jvvzxaLeCiHKn6mO1G48xSGUFgA8RraMrVo",md: "3OaXJ9RtQYvDmmyoieDzOWS1xH7ITAGbwYbLb2.bPxU-1739127709-1.2.1.1-PbuQohRFVuajiV2QpmcnZU7vuDWyBDVwi6y3_VW15Jtzo4Vr3BsDyJlsuYcpU0_0vFkB0ycxHQxgEow75GZl0Q3tZSCSvKd7amTbULSg1EA2nvb_f6G1wg9wI5Xm.vw1YOckt6VB50rEo2Ti4ScL.ST8OewwI5MW.Ty8.0nAmX8RS16ZM1BTmvSBtNaqUnLYqflVI4glmjA6IvFk0mzjBT1tNPUPLv5OuCi32tjbvGr..8elZveGxAlk4IC24GOam_KZaFoQqu1lwHwsJFUMw3gysCVLehjbs0C.vDyUsxVmzMRKAsUja99LBdk6pCzXtEA.KMjrD8XPwgmXbYUreHvtKIlbQQZ3v6V_QBlkdROWKx8t2Z3Cp_0mCp.nrs9o9BPxbiVE9VUHrYr4WkgPe2GGP1FCdwZZdX53nOFsV1UAr68Z5ivKG7m3yguPmudFgzlkW5eb1yGLqqOjsZLE8O.t1cFOmT1LkVeWNgV9FjwfAfD7fD5eXEcSCsDj3Z.KWxenz8mJS8Ybxpb0XnoTYlANLC2dCeKdjBpuyaqrbxIHkEoQHLhyyDdFLxG5o_7SAP1yHeWB7EfRFna36DzhW7g.aC0BIyWeSFGzNCE99o_fF1TIelnzCHBIWwA5NQ9K7gjLaS1or09UeaoHLeoLjfG.SLWrAoowrmQ8DShwwfYroHIF1kErW5sI1vbNNm8F1jM5g6pYjsXt57x0ZqVjdMTorVpERlbOQxXS5zZc6XtJ5._bHZfCzt2Vm8HF6G.msYprP6gQ_oMrxS52Y.Z7YI93dyJsv6Hxu9PD49bbolxWfX6Ia5aLGtrgD6KDPJakeuaCKfU0jBN5rv5mqqa8b0kNwMMM_ZmCiGcwV7vut.yt8ZyVnro3i5vw8Yrzn2F55VunnMOMbHOubsZy546QM43KYHigUtgdGTGIT2qDynlMA3Cll8JJt5qKSYKtwiTrq2xXxqFi3.m..up0KPCYhVysW2k6xIUAme_WN8iEkVl60_7wysXr48AUwZHN_6TdHuZhavv_8AykYKFjt_SJKiQWizH4wZb6qf21XtK_PGD9MGlFRhYiYsTXfOsGzjnyXioioS9zsvlpDLmYcrTMfHDyjvvswrWRtvf5pdWYUIEesItobTD49MI20Ndz0EsvSlyNeL.z6885PmD_Tm5RntaU1z.U8Olf3C8OeJxYtsi.ObrftOqjORuPiFaSjtw7optxuqn27vQ6gCCJvsD_XbsnIPn1Yj02TtOEvdtrWZpW.AQdUHJXfk7CMaQ6ka1gODaydMxR6YqhJDvaR0_FWjWl0w5r.f5WmMY6njG0RfD4mOSxxz56jM6outFngZahgkk5SbQIqbjXyU7LZWO0Ae9oySO2WyXl21R9DydSKsJtsHpkpUeL9sTYEgdAKxJmcyDG.58FYMhdy0WHibfk9gLBWnbg64VMfClkyWNOrp.644ctbpAtxwKwc68dPs4NC.lBEoKhkmS82VZGdxyHGV6iAdbrmnxHali6FiFic_pRnCSzsFdkCZSVGE7P9Bn.qyYS1muylBbl5qw32ETsRim1DyjMch4XA.LWtWpffI2H_0ZT2pWa3Lmdg.7yLIx4dlpVsagv4iH.D7koxlfW3_fa4fENEhVV_ySmX9LCd9VqfQNASAc7VIdA.R9yNKFMl89MOa4gKSUUXAwyG9b7BZKxDYtrXmj2JgG3JK_EK9aSbsQPhEHKFOgpU57DSQ2g5fEbjQUUjrEuaG6J0F9GC1rJICWYiVSU6eNb0LsHRpQLzkuyE9tVj6USLcPj_4gIu7NgtWCrSrurhwrhpa52lV48WtXGTlwURgge.b8aKLVy1qaCZwRCR.8QhVYvfBonxi7_cB0rqmjQ3opVuYFyC9P6iPw0GmJ8.HwPNYeclZxSOtBduOGKnvcTSDitaA4NoMDizQqSRcE43NPbV0A3d6kKMJu48zjCfdyvGbEVEO7bENyvVPZppeAGJXNE.OvuYSjnc9qT3AyWTwv3sk_E7G42_dLpu_N1WLJwjC6AhEr2WcpHtKXyJZTAFgDXZM9hcQFX3SvLeVzV52DejdEh_sMHjx0PGcYCIPxOF4l3hNkbRHeQV8w3FhT3Uns67eMLtucJEIO1Z.lkxiLK4.pIREtS5dPhg478._XPZDMcy_p75TYV5b4yRvp_pu80WkHwuDeoZ12s8eZbDg8p.fVB6v_hqkwfGG0ACNyWQRwzJ7NE0ur1kNkgqTAP3TauY9CR",mdrd: "H0wG_C46IbtslDRrbQoGD5.dR0VJQHDJDzmaT3oNHa0-1739127709-1.2.1.1-3HZsi3UREerwwHvzse5Z.4frjnPatjwy8WHJnDNl9uRY2_ACs4yM8OyYhXRhHNmFKLWLSZgO3h52rCal9nLQSQ07oenKEvKaKMac4hOMWvZlOzoD9qGnIZu6kdHQq3.sU_y8OzkuFsuI6SyiC5ffO3SlTs2gLaz0cufP3WiMv2Bcn4nBIWNZdJw_8MO1aAuE5w6Z_hFVYww00F5_TUfVjS9u35LNU.FQYsjPpn.pfSU6edHrTTfFdMgWMSAtT2iJ.olBT1wVaXhx7Uc1qtImTPlvzFub0Lw6JFa5H5ZCJ4K._cla_OWMGT.atQ5RjiO4j9ZCQuWOmz7V2xZ8isB21KHjm38QwrpGwlIWz9TggAZ7y.uhMrNp5kF7MVeYtwjmGlLvwlswU7_cetlf59PZ8BUnguz_UebxSB7o9NylXF2EkAUvcpMl1RGCalUvQPY7MZFsi1amlvKmrl5Ck.OlQMLbvOeovXOZ8T621Zt2QeuPEUQoHP4vFb1NG7lajDQna9M55qwesbqD1GFaQNtW98Pn..pOv1pZ.BGdX.cvFg67lQk4KWfBrE6GX0gZmtKo5RLOtxB4k7JoEes1640uFYleKx9W241JlWSjlKLSKrUttEYT0fO4txRuEYwFqwYccLN4eOm7Z9fbJsMsv6wUDBlUGb94IATbe7zvYqKnuxL41hxW8zL1VrbvX5TEtlTBWKDjIGtR0cUzMHFPiWgeaVGIJkUJeGRsMkBFQbeHNNY5CLGwCP6J5qBVrj089h08RbUsI8R9834HFzT_3vdbdhZuCYT_wkcMmAYoedd4hTN.HmW58e3eU1O.A_Emb8HM81SWQ6_C56SbTMkFXFUp.iMFCA3k7jdDZQ_KRruFTYxBbFunYAZypIN9XZ3g2m5ROKhZj0_LDuLmkEs4H4AjOgL7XLX.i9DSITnWfcBhPlVssyYi8UMXYuyr6JYt7m4XnJn7AwraDcT5h.j0UQQSuVv1QilM3mlOM_wO7AzzS0thwJLqYsqFoAvlr8x727EzxxXGugczryHdbNMjFawIuPMV4k5A7ht2XdX.y0q2SygiIRVqjwcLRhgi5UfWHENvUyxdUuYCfKoKr6iuZipzF_2s.ffxt9PFx.NKaD8BxXGrBoo7HwjkQea0ZQ4rfkLMudEFscu3QAw9d6MX3MgiiKj012TBHARRgJ6bn5v9kzpTtRBdV6.DEwjzsBgopNHGxKPhJ_SXFW7nbTfP35dU5LOw0X1F.s43oIQt4m9qZzATrVYiRb44neDm.E32jMpwVo3t7A9oLxHCt5ghCYj6AyKK0Bu1NvMsmwAHS6Hr_yhnVLP9EpspRP.Ac259F2bRfXLzfjTwlNphxFTfN6wf97IDjDoTtyBWsfD3JWP6D20FRGSMN38_zmb2d0PoO2ut_OVIix8YDEb7MWyo.C3uATNlwibu4WipAS3XApKxASLsWF4ugo0v3K3L8OI9jXG_e8R5zn0hfCkR9Htvn6YzfmYSS.TkWDHkF3ebeyX4ly0kWl46nbT.UC4dSqg.r4TsWqB23ns.1Vxclu6wjaFzRff23mk4qOTlB3rvmeavxdOeXuD3ByGVkactFW3TRfLzUcApZdQgldgZvU04omTuW5WjXrWxD2X9FJC85MgAeiJLMwWvM3kUXyWM3gNMXtjYvtvYL45IlJen5gX0_xpVBxrxYQNpqOPZCJtAm8_4naS4JRAfKL4vxTdkbfCasJsQdq1VSMHVN4DS82WohTakVIWACDkvMxzXhqjhhI.PnzwPPCyWzyIXPtdCVjgVOoe_jJ3A5lFkFTs2IqRPfFZtpA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f61c3b694e5a27';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\/9871430256?__cf_chl_rt_tk=8Yn_5lYDbDdp5OQAgmGuYm_CoXfbe0vf9zh3FMtmlos-1739127709-1.0.1.1-_wEbICn2jvvzxaLeCiHKn6mO1G48xSGUFgA8RraMrVo" + 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
