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: "982746.mit-edu.top",cType: 'managed',cRay: '90fb0b1d48b26fef',cH: 'zaKqmEPHfo_X24FKRc9V0msQib.Nzcy4Uc4N52XCJ.s-1739179437-1.2.1.1-S6jtsBesuQSWXh2TP8iAQguufcwwg4r0bj8HM_fVF9mW9y0Fc1Kmmy5V64bxQYx1',cUPMDTk: "\/post\/7365491280?__cf_chl_tk=Smi7dVXiFPNLlR5MTRmJaVSh.2PRzkiU6utMHMhHwgQ-1739179437-1.0.1.1-OZzzpXjhNRJ9kPD_c0TDBMj_keaiU0AIwuIwXqS3aAY",cFPWv: 'g',cITimeS: '1739179437',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7365491280?__cf_chl_f_tk=Smi7dVXiFPNLlR5MTRmJaVSh.2PRzkiU6utMHMhHwgQ-1739179437-1.0.1.1-OZzzpXjhNRJ9kPD_c0TDBMj_keaiU0AIwuIwXqS3aAY",md: "KUpcUhMThZ8OcYEvzS7cPOlCrn6iRbn7FIahypFOfWs-1739179437-1.2.1.1-Y31PrNW1JxF30sp6nzyZYeX23i9NRpXvYI2RSO88N9l9X45RB97KavAUMk1UDlxaPwWI_3aHy7FOnTJZfmuIoojYf1NER8Sbmjbq69IOMAgFdI856FI3E1gmmCfgPhnvGy1NBG3s1_5caHwGPQqHWxrR_R.eSvMs99hKMXO6Rc.2oLOYY3QBYb3Uu96L2Mq9S85RTp1m17IwgG4Ryrb0gc.mgkYKsBqUm3LtoACiceJkuaTW5HLLlx2.YvG2FHxD8uwvMuNhVQBbedU__wrxfF.1AWy5pRXkTzK5z3ba4RV6722DfatsJJWVV1xg1Zcu1OCQVwnlj9ThQxDHcRn8msoftpvgOML3c_M98l7UCoowlVwVGTg_VVdUe9VnNzBgkN0geTBrss1hzGUwU9PWO4.YRToZCkldMVAlS3oAMxbmVA7W9DzZIquV8rNemX3vhKIguQ3gN2i55XiN.kXyTghqybsg6smC.K.OtH43O9Bv_q8e1rDNisaOrsaf9tkdqzy3YbNnxisjwKcMHjN2g3M00P20WHXZoiDoQ6xyV7cladzY3fhR3k8zzKdHWuGs0Cwpax7iCqAlkJzfcw3FLjAsWlegArwWgvr7wutBe2u6I9gnf9wR_upQN42Vu9g_poWAMI.QUmnUO3EMkGgwoMGngm_xi1G9SEQ_IjZ5AFnw3GM2xEj2rCmalwJY8hYZ6B_bzaQabZR4Dyesx6hM.r.n9udjeFAZmG21XEXPlG0UHWa.cVb2Jp3ZRPS3YhQ_B_A13XuEusbzKBk46pWsZfGDnvPMpcdJI5cWp1PtNs04mSDKekB7QrQCboLqZ_bnEHPjBeKX0qQn8AeT4JaClYhEDRiWP2RtJxVkIGNv.BQ3dSNGtdhR5ivVzeUMQp.yB9UhinxRNt7.4bSYq1ssZzwZxmFbgX9a6fuM3vbC4m6svkw2rA9c8TeiqKf67naCVNeMYp8RYrqx7_yxESVf1XpK.guO6ai5CJYtarztvqyDv2B2Ap4oVO_Wh9EZTuxftAWUPLx46M7zddUgCfwtTiQ2w9WLt5RajSWkr.zDLJ1.Hkg5OSo89S1DQwFIuseAw6nXmPqSjmjfYZUNncIP9z0TK1SBSczrfmjUheSqp9iBB95AOBp7Hutz67NtAfquxEagieMmPqy08VAS5yhULUwVGHyw7B9JbMGIgnZLtul1K75HzaJKVXuDM7x8oLthChlmSjSfmwpdIZ7W_R1uVmppDdVkre.uaXYjvYl.gaPNZA9hFk7hCncN0I3hx7AbvX9PjoWYfNXDVcwMddyxIEEEh9FbNh79vKq0q3i.jarpdYmVrVMuRDvLJvMSUWOPcXp5ipM4YCJSOgLPgxX9Csvy9hho0Kk4vf4vcGlNRkHekuNqJvYy_uP4GrlFjzyqqoKyFy0KJOA7P.qN4TeY7nXbeJVXJHq1SPzfZxuwIPntii1IGng3EnEqwBfAGG4roXgAil48sBK71OWf4oY8JLdcJJ8ykEyyVC006w.mVB2uXceYicMVesULZ39GLpwtmwFu8gmQWSlqhbMm3emvguqHl71fp1dX2ynxeaUtPlrCFkMzlfOvbNsZNP0Nl8_0AbzJAJta0e3jiNb28R_DWvR9Vyj0QuaoGNMTYn9hSo5Za.Y0vNHroM5TbkbZwHhmgIFmRtYQ80Cxx1AFFL4mwj8O41Ij0LmPDv3YIpM_MvmarUzXKa9ZuATy42WAN3QdqY3LKKwc8KRL7r8jZdBSi8SdSKy9Ym9ke0QIkAiY.IqWv5svNyrBfab_28inGUR90HKzq1FszGBFc1JLmp1Rkoou5ys3xJqA8JOottpIcmFy_3nW00_zB9lXuwKfahaeFtafQm3gQbtU2xEnZiYX0GS0fWUh_QRlsqbC9jx.HEcOCLVq6MWI95Puh.gWadBCFN4l.tRPD1fmfEJT1K1whC1H_0u3w05XY8s5AREt.em0Deyr9axzxvdxy9ZHwqOiF.k6gXK76bMSCUVRbGEmS61ZXTUjTD3Ja01eF.9gfLRU.SFpibW.CntUBJD34_ijj4eb9iuWU0WaahnUvRJBlObEzRNpupBNyxD3hIeClmumccDzJX.GmbigrFrOXUBI7NlcQq7nHcmZ60KU4SyFgza38EmmwawC7yp60G.iGRXONSzpSuJi1dlCbLMCcbQKfreSJOzjwXQWQeamkQjUDUWMvkMoo.n7UPQ_6viyUNA",mdrd: "jTEfwGP5Zg6PRdNcS.K2likfMMeTstElWaTCyT8trns-1739179437-1.2.1.1-clfROWPPStWAn3WIu0JbeUqohFDDux_InaymzM_ZAwVafxu2YucdvkVY8A1Zucv4.vic0rvJ9hPT9693HRlG2_qt_jlumlUSFv3TH5XWCzcld_bsO9eDtFzl3dkiXr3GiiTo8n9qSsUzs_Q1024JVrNH7dtbjCfqdPBLztunSva4yWIfY3HcPV5MpRnpswjzvoFWyj211FJnJRGPfJe8LK45j6dnLxp0PoKt6sko2jVlzX5QyZ1cbp97scnOG0wieCeFkNiuCS_fXg7Pe.23WEJnIwLiBTMLnPXXJVc8DUE9_isZ9FlZdaXGKgn019MLjFsiBe5NYAjwAJ9JQ6xozhFE6JvduQB_fwCr4wVr65WFDanYjWi1czZKoLWhs.fzzygk1cxfEfouyVDIlY9.dOG.yAnCrEt5b6GtYW8W2XumuAWGR0yfW39q_1mbwULeCVnB8HU8B3H2LzZ7zwqi4H318DLwPdcQ0P9I90L1uh4IFcoUXHDyNvovbbTo4zMLbtenybgOQQk1FIL8dNNEEvL3ZiDBA2K3R1RwPLvfSZFLDCskTT.1RuwBtalO5lwn20EandoWwzV7884igXxTf0nMw_HPUx4JKbmpZBmHIr3fVzPHav9r9D5.zCTLvnSr5NF06bQxtsIBd_2okOG2MwWlqeLdNiBxMh.AefnIBycXEHZ15gCc9qYck_HA_IMDI3MOxDTeBOgPfKxOGRbwz4kXz7aWZjMk5xRamvq5TyEXSHJv7jHrYoXFys8EMR43pJoRpoWRd.puzk1MnTaVhuSeur21Vkj6gTbUJbcaWvWGi9E2nCis6snz1biSL6ABob2C2GaaRyhhfsvhjRo0OdxDbbBjmYkwy6WlC0U0gtm644K8ZE7vx2KDdTFT5GALTEG4_yWvpRZgDhGQwcNT5gb0BYDrTInPfM0HUs0qqTg3eqreWoutpnDwVBAYeKomBaFLaMmzQwJCsPDSjAKd_00tY.xxQ6fUmUJv9Sf814GNX9Db3tlFXwFywME3MRJQgRBpxsaxrWWbTIa7eyUiQuccf2F3CIEWgIT0CRBCljUL6PDUaED.KpaZ0YT_Q1JreJVfL7.4GvXkEV.PCrKY51GQ4X.9VcpY7xNJKFY_e.30DchEyTklTC.i4KilbCwyW58bHO6bhjPdPfizd1RoP9mtleSYci0HnbyLmHMPt97NIzrERZehxiIEqXgjRb5Y1zgxnU49R4mRUDLi3a8oOcHvH2WymIcsQ4dT_0vj6vCWg6x2uv4y5n0PGjaMfavNUOcMsNufhyLoUuPuca0eYv0CGmm8HraeMoEYUDIfC4g50clNi7OWN5bqeQo54KErdactapCO.C6YTxU4l3qcoTQz91YTLQphUlPT0uF8R9qVt8fv31dMuXIUijbD8dXBmXMq..Dv4SGbiU3zByFNm51WfNAYYUNg0RFj.vfNJAgfwCl6Ax54a1qSQkTFzOtmelFI3xEGvjq9cpW2yTrpG2enPYkFKsJ5B5htOeVYIjo0W.LjUjwLJMngv4mZ6cDt0RiqLgNNJmTwGIdzdA6gt7HjfOTlM05DoBk3iRCfksPWDrNe04JwAw.zxNZ8916KpL3.Lle_KO_yQUak2uVIebInr9ukKhrmInxe.g_Qzz8kTs3UbdYlxOlsKJ8ysq1omMY8dJn07a.G2GJvoCtlTU3dK02Iscx19zeaawYEu.pbcvA9Mtj3XkoeJ_6Q.i.VWzOzZiokYlvry1_uLhf3pwteKaBwAWem6YxEGwayw_BesMLiwDpainBU.aUlUU96"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb0b1d48b26fef';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\/7365491280?__cf_chl_rt_tk=Smi7dVXiFPNLlR5MTRmJaVSh.2PRzkiU6utMHMhHwgQ-1739179437-1.0.1.1-OZzzpXjhNRJ9kPD_c0TDBMj_keaiU0AIwuIwXqS3aAY" + 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