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: "913154.mit-edu.top",cType: 'managed',cRay: '90fca004eeea13b7',cH: 'L5ufixpUSZ0yg4s2gWmpQUQazHZfSpnmewOcQ6BHn1Y-1739196022-1.2.1.1-sh.HRT9I2wUEdaI7v5vN8mEP9hRBySj2jCt6Yb_Z15epCE6BH2t67m5daR3PeuPp',cUPMDTk: "\/post\/7504316298?__cf_chl_tk=OpHsz702f0aTfL9Fl9tppz2aE0XwqA2weGbrDNjN40c-1739196022-1.0.1.1-EMqtzD8PzzrI54EP1Kc.TJvvusJADwdwpUO13VwSq6w",cFPWv: 'g',cITimeS: '1739196022',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7504316298?__cf_chl_f_tk=OpHsz702f0aTfL9Fl9tppz2aE0XwqA2weGbrDNjN40c-1739196022-1.0.1.1-EMqtzD8PzzrI54EP1Kc.TJvvusJADwdwpUO13VwSq6w",md: "oNRiHin3_Mrc3r2Oscl1C.6c1VyzYLoIbnQYvUQYANk-1739196022-1.2.1.1-d67_44UXsqifD0mTd1pz6VnbTj3mP.VG9izUHQsNzNrskf5Ku3KejP6CB3QH2mBqoYMUAfacr14fHzPaq8XvC3xXgQgRVetufE4HbyITz53NEsOPMrUW6cgVrlgaI5FZZgQp.tvWzW9ZWYr.sNG40Mgn7eFfLWTBzvjgAA2DfZOL92psUImUta6S1CsnlR5KD838Wrt6o1zetYeoC8ARiXMpqswOQnIU1HuYMuuJtIJBNx3O5e3mkYkn_15DKS6SoR0AojtBjnLL3UbDXROlVKlb1FPergZzLR2jMeWhhzzwsnBlFg_tljkc6qRgpz7rueeDMZ1nltsBJ0E5f1vHj7iJfMUSR28w1pFvF_T66YUWcPqQzuu_aWOTZYGKhcIzTxRMYgBaclHSDklnOkf3Hqfz2ZBimvNyhUMVWUR6kGW3kfl.8RhDm5vt6pTqyMCp9Z2ODwOf.qfh8ZgDifK6OEbNIJe3PZwYo32krh5Frzdkqs8Ol.vUZW0aJYmn.YFEp.sgEukDdaoBD0V1X5xoqvl3jbQBzld10CCXkw4tdXNmpUOGmlbp.eSy2xz_Mc6PhhRpDr3SadmORmyqn1OHsNAHLRWcIGWZoC54qrHMPWCklofePpJMfpDn4vOkOyVNk7IFPlNZKTHjwmZOIm5QSdW2SYnUAHfkORcAYgFLzmj_ZS8tfAWzSdEtgEfZtuAMDmb1L7rLsezFPaJIs_W2GHkgwBLWELGbCtZqecosZIoCAMLXAJMBC2G0cIzp.BuftQkYPPuBo80rw1R3utoCs1WpR4TAfXeuN4fP7wdYPTlB0hlU.tAKQTXLIKfjRjOwBCWBwqpuj2_01hVogqGlglvR1IhaRqYLgmodMmLmhkouGYU68QjIhKGjud6Z0IW6XABTdLUby7.aFEAx4NSuoksn3VCD2Dd9KdtdG11_FkzsLC1jwmccQ5oCPUyjmtpR6yvWfvXF0MdkQTWiyEpcl7sqokeX3n6jAAalakJuQ3H.o4uuia3se3X4dmZLrV48MA1zETIpfACgj5.pV.RlU22Laj9NvcmgcCflMZMw9SjZw5FR98YInxEzvKUXukCbZEoY8VpfMs6t1LQ0Ulw6djMKXcAaFcZGaetGYF5TnNcdjbJbLAcaYwh0vEm6D1BIJ_LIPXsxoWbEPPtZ3mmtl6mMYgOD0zfYOVyZTmuQYLqqz0JGFb_Y0PufvCQAQcy7o_SzEJFYAZ2TxU11Bf4J.QearTvIRxt_.eWjDAJREaN8_P0DhKSFLAZBOJh0xGFVr1wVCassz8WcglZfKNFL_zHC9N3fjXxpKznpO3pnUGtNdornpR8RPn7l8LrtwPRXz_0XZbBBmiI27Zcsvk.S6MBU9Lw0hSxAajmjhBEQyK4HHLegUO7wEG0_qfsKVjUO9Hqidki44JHVL3No_poyalj9mSd6kTR0LE_d.AZg21DI8.aSLpTAWsmMnkxJ3oWN5.smwaUoAmr5x1qYDqcM.j_Hm7ovjm353Gsfcryp9LtHsoYlUQNhvnz0WC96G4Rku20qG4rL_isx.1LbOMzY1.CxdA3lGQdBjpKZt0nn3855dFpJKwzkD3EJYhwQXC2DfSo6mQR4TsPWMhX.UO8Z1FE3gbXRJhjWmHz3N2s4DZRE6Yh3WhFtuWJq5f23hLUhFOQ9GJjsVyMh3zIUvFxWTTvkk7CUeZRjaAkbQ4jnEEQ1WUrJ0aSOP.UENgegTffq0Zt0CFgzzFgLgGv4krh4Q0Yf_yplf9aKznEeGpIjdzFq6kXS7M6_Vz0uocjN5JqS8.tWqRjRF5jAf40IxBWH1mHiIAZM.XCbv21WwL3e_0nZiiE3jetnXgGpKoz_8ovrtp6RZoRc8JTZIXlMCMjMq4GTnKKSrjtbxq61odPbziI4X3vIpqsDflWOOR0.r4e18EKc9Boqi6NfDX_YyLxFaka1H3jjHfmVLXJRHNST6XbSiqBCq6dgmG13j1Wi9zkvnyT5u0mSPWhsqDccKxKq80KCe9su7uPGa9XDgIJuDGdKS7nt_aSF7BP9gDkFobXJvvYyXM1j1__Sxc.bvkafET93cwiNdIUvHp1Zet9w9hWjxgDhF2uEVKhil_.MM4FmxgAhPuXjNbdWMltKA8k6jPIzx76ilth.oVRNfv__UKPDZUu_9OLVC5yOL6EXbDPSy6hegsd37GVGQtb0B7AaAt_kCUgTMPkCmiFPe2YsPCw",mdrd: "rhJoqYVOD_bXdwOM47makxq5ohCJQJHvjq70gyk3Brk-1739196022-1.2.1.1-c2BzzIxpYocgBLyzo53mx2hj3NgPAYLnjpdDGpOqROBtsEB8fCkkB_gIDySetJTZfwUC_mw9LJBuJTX8QqUFGemy4xJGzvVW0hn6q_k.UuXFYUZa743j3yuJWO3O6sd8A3fgOOXS80rlVJrUSrgSEN4tKCtdfKRd5sb4b61DPPY25gUiHmnN3M8fAGv6ET1tRmtcyYBeSnTEyTpRmYNGhRl3qEVLtq7MaTfnr5HuS4DcIdKsRtLEtYGVZMpd2KYlhB.qcR05FL2g_UgNGXnO_dpr.iYfXnfDHJwdVSnsCONxZDvxki7K.k8n1s_MGeIngLJYD1jlCFtFJVg0wwze78aPrL.n90ZhTkQgwScM744CqCxd31FipRihiRPI_3sTWmklpg3EHWuE6MzwYgW1pLa63OEXAeuZvK1Okc6c7_BpkazWOZqxqDBFqUYg9tI3baX1eSDXZAUyZ6unTSqQwRcWqTC7zLg08kdVMyCnDlsfhFobsGtWwaqJ9uwYoQ48XKXt8S49WHtrhXXOzLN8l618VXhc3SgTz9eNs_IaWhcZWzEI.WAAL_1AjFoTA958OQi9ROzH2NmAlPPU_AzqV5GrAXt_wjuu1lP6E6iKbMZYKPTJ3fiqbhKe7LeU_VtlgrK_SWTb1N5Zr.VPZYOpSROg36j_YN277wkanfcjI_3EA2ez9mcLY3fmQxLRZsw1HtJQiricXt2ZsYMWFrm9SlGypQPknl0RnQlk1dUWa_B2hlBeyaBcwQU5xFUV_5uf9UdCAwz_1Tqv77gOz5RqytvyTucFE01AOdOzPf6113hDEQKsVal7pV3GxOpT97SqE7bRUj5KFP4Itj5l_ooM2iIditTn1NLae3.94ma2_wU5kWS6Em24J2cjd38Phph38GulMQ26sOv1rIulYl0OFaf40w6YKpzcuHZ1s4GYIJ1oN8giMRdEQado2o.tdhjy63WOI_Eg7f.JVYC5NNT1ClFnpJfJJKJZBw0ZGX_LwO_xcSBkIdyO0n2ScBMajLfObiC8L8KRonn8QCsLP59jsEQXle7rEV1jXyU1nV3.oSOMbuZEnf5_d4h5Fz4cxwNlhgXU1cSdHwocwS73Z22HGwK1CLcXXlu4q_Jq.aaRANoVGgbYcQfeJ2GjYF82yXu9TblOQWbzM.s5ZhnVitTB__T98v2wc0hfMU_NmLqL_05lvwAExvregKjcrHj.3Q0C4Nxtypn337DH041RCxlh18jRSChS89WiuWd9Iy_.i3JAzlR9JKflsk.iUw.9HC8jGCIHiHjG6l4OWefLXn_QQaIdCN.gHpDd0s16i.HfOaCbR7Kq11S6lctrCQzg4yyru6wEqOZGegMuKZVj7r5lF.sFRAvYO_wGimbZMmkb5f.EVUg5TqOabDH_2CXF0n6p1uDQ4rIu8LkP1qxtjS0f8w7.JfyVPpj87UUC0xTa349GlD2TClWAEgOK0zdnMBbvHZsOGgjgNT5Tajadp8JttUjlI2xoX82cZmaTg5cKuEFovPCSZO0g3ioj8_s1.NEIpYtrjjO4iOKtnM_AeOMygR1WG08IPdZv8I4bzVApeLGd.1NTeWlnQnsL1FzdrUC1TapqtGfo5yO_d_QizvQCGUJIAWXs3MXIoOWS2txaTufyIt3eGM.emSXR83Dfvaa.LJn865zhrvSni9gbgx_QTp46.OSTgMZG6yIBQafkMnr.EuRFePk4duvF8LvlE86iLYUM3b1CtOfZPUZX6UGMrPV4l9gZ07hGFYIkscGHIyV_XcE9Y_Hbx_.ib_IeVD3E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fca004eeea13b7';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\/7504316298?__cf_chl_rt_tk=OpHsz702f0aTfL9Fl9tppz2aE0XwqA2weGbrDNjN40c-1739196022-1.0.1.1-EMqtzD8PzzrI54EP1Kc.TJvvusJADwdwpUO13VwSq6w" + 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