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-739541641578.mit-edu.top",cType: 'managed',cRay: '90f236fcf9d620a0',cH: 'uD1XWTPfT_DaJ52kSeJSOUnG4.Rd9KhQyR6CnKNZPq4-1739086862-1.2.1.1-0z7ss6QMzWDMCbwagwyeaphI0PpTivE3mYkYgohb1BP0EUZXWODdAQBt9g7EPh53',cUPMDTk: "\/post\/5016978342?__cf_chl_tk=sYwWIgsYTbdYAiG0jpTtlvvE2Mb0eOoeXvyI4vhinPI-1739086862-1.0.1.1-n06FDgFCZSjDc00Ya5kPnZAxzLRNZIA5QeY.YEuLHuU",cFPWv: 'g',cITimeS: '1739086862',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5016978342?__cf_chl_f_tk=sYwWIgsYTbdYAiG0jpTtlvvE2Mb0eOoeXvyI4vhinPI-1739086862-1.0.1.1-n06FDgFCZSjDc00Ya5kPnZAxzLRNZIA5QeY.YEuLHuU",md: "jQLGBVt92VAsZpUK12OrTM0x_ZE2qUqq3YhrrmheH6A-1739086862-1.2.1.1-.Uf_siMhkpNbTID.w_LoYwn_RciS63UMwQEx1a2n2tSjvR6aDNm0GEP6SwyYM8NuFwPQYL5pZW1hGqz8thugaq9eqs547YxIc.A2kPYBuddWpO773y_pecYKm3rrW9sjcl_iAmVveWxlUfs857VoSSOrAtybXdloCGKYzfy1Y6TYB0pOfCz0HTvab2PdRUtfsl1YNPYcg_OvEztwWiouSOr5hIY0GuMf.k9y2uZORURc0nFsaZMJGQIzNASqzmm.sSW1mlynH4CqB6BeOt3X0xR3zaubQgN2pgWI1xmiP3TRtglrAqAcf4M0U7tClnSG0ER0MfpVIY7TpFr.HbDaB4CqaZ9j3HL78iCMiVcOuidc37hvslFqR00rVrAUZg0Ob0GYcAt9nEDfxr1ZZ0c_t4XZw_xtDnjdx18h6wOQWhLLxouEEqbEULxuerNy.v9xNfV68XTYD7YQ.fRMj2SjgHG.VbLR6e5.2xKLcOKcf9bYh9mp.2TSzkJU.trt7BnVtEMI7K_ejEPAXb4sLKbLhxGU9dOHUCjU.e8ALTP.Djnn0914ZptjarrPF_rcMutkJtJubrrcybzT5B00KqKkbFKbTkmvKrKUnFh.RG21iIbaO9ztvGJExvlRCG0INrQpKiOZIQogO0rnfhw3m1_iOWkq7jyKghFl4gTmwe385W9.kOwX2xwuNzUT5z4J7yVNGrX9y8EjslqTvXd7OrwR.Fwq8n7OJdwarn98wKEGu_sY25aksrR7_bwZqbREnpD1dzBpu02G3ZMNJjK6Q6CLif69RcObCmAnRKcznjYTQskfgyCP6ttAprW5ON6P5YsC_5p8hwTHJhJZyE6Z.wd5HAtbmVzHfrdMriS0Qu2sQjm2dMhTyWkBS1nl.pFCZS6UuakpajO64qbJC1wlYMz547qPOh2iqkNlKjOHKxZz9u3y0C5LMuEf05iT84g.ZTPAdqTDdWLu2_OZxMzpl_Y5dkCaFhqHsggqQ31F1Lnij593RIc_rvjLeND1qeAlw8qDQsz7NqR62YJ58tI5RhZtNqHK4eBc3A2zFcPXxP0iZ4L59CKHNm.YomqVcMdg3TzD4DEcZJtrGs0_KO96Ic3eP7V9cyRctSj69HeicvAZ_LT8fDHQcQ3WsKmbzKesUbN4V0oV_9ZN4JojqmX6UqwZ4lZT4BsMo4JBMI95o4J28i7MHcnhuN.oTtt5EKXE60MZiqYsxD8Z9I2fTHqYNZgE10yaXY6hhM9779_y4Kz2YRPEZRM9OH5ev6KQzhKmOI.7Nq_KA8vOqEaPCN9EVb0H04Lm.cfDn8LkAfeKmR.mTySoGD9ux_Kuzw22IjkmihqBzJXz97LUGqfPm3pAstjY1wxo4rYN2XzOdVhLo2bRmtr7xapeJczH4PEcrRA2J.ayOlpnsvFj9GM2jcsgQA4oz.7h7f1QK3n0he1SLN.jZNDtOJtoUllVyCYcHiXi1PL2p1J2kMVbI0yDC4je52zw3jvUrB5fpsd7nwD07Fg8C98AvVaVoXJyYXBFt4J3QZrX9Rbp3nEGFB.N1dnMQFf62Te6Eor8Aa9wKax5lbh2_rDUpSlT3fngpl3tIfEHnmNoVnlScgFheMIRllJynqlLzJZrxOFeC3r_KFFc_Sv0yqSO8cBtpn1sJmBD1cN2Thf1QYfcXZIKqpgtnuPx8KgBqhn_4_MkQcH3TmKZ7I.mphquR0vOhv9KuRrFviAZGxE1U6tykJvlIYyciTIS7XQa8z_My7Q9QINViYqCxTs.BOvX5Ql6VYAOBp4TdaF6U90rCsoyWq0mxH6JHbQgBQfinVkmt.0G.TyM0JNtJlEkEvlgd0uAHK8W9nplAZPmJnG.OfNRlNhwQtGVvlwV4o7Yjp0vjkWwN_pwIW2Ago2Em875CC00oGE5Cf33PLFePDzY2F_voNStgo5w3oIgOUXS9NYrMArSZl_StqEAHzUHUSBpx4kwn5xVMBx1mHRdo0gGl5JhMnPuUxtY.KiXw6W1q9zzIQLTgmxmEzFO2XQFvGCCanWqLx6IJZCBvdFc7H3qP7kvzEXwtXvFFZPIn3GiCxU4EDp0FPQp2wkivVBOHplWHRBZmwCKyugydRI0HlCpdvQth6ICtFozUfYPXpIi8wr7iJN6xmbzSkEyD6VZcD2Da9GKN.kx041oc4Joi4uclPeV4G.m9m6K41YCV_G8PTKuyaez4iXrGQN_yyPBRMdipgEX3IzPgGhPOTeZXRbC",mdrd: "ENU4rpgFpR2eIJDCOYLz.gXUvAEstEVoYnagXyW7usE-1739086862-1.2.1.1-beqh.1Gtr6Yrei9k.Ih_0xxPdlzlx1yyvk_0dALrOHzRUnCZ7LGK8yesrqdUqMb_i7dCWSLoyBaa6UsDkUMGa7Iy9lh84I1uq_58yIBEl6dkLPJ35svlVb5rX1BAYZlhOeAB_zV737uBFoZFp2OkmD8JiUmXH4z7EoMsO6Ds4ABRGikE2oi99AA._MlvW2Q1GJlcQfN6JgUVp493pl03FwZwj3tBixdM6LsGmQNhTixqj_F7ptvBC9MoXiL5F54aDu7GG8zaEqkAn6tii0Uyz6ZUNP9yqE851MME8Qpjnodpifv2XJDavEX4JqTkqawG6P.VC45ymrWmeYYl9JUED8oLQ2kJhBrxx6p1GyS4FynVoUTcsUZzHCfZSeGjwRJKxASEmc6V_TLcKFwLRbK6Bu7hWGNHOAAPu4._7zbi2NkTUPc4ielKfJfrZI7Vz1D_.q_HvF6IVDqjlRibuha1Zr9msofRtEiq9epG1KzPdUUsLmYccdPOiOgKn2Qq7qy5l6P4HMgFUAVW7FNZoCfkkW1L8L4f0PppV5g8wlbGcQrcCL_3jfo_VDg8AZwpx74WAxL7sU9DYAaRvPVedTEUt384X9ot2mM95MMQLUwGFX65so20A0zZULT73Jb2..LE5DzD6Y0na5KpVHLr4RFmjtJU.M9CttKG0hrW7P3fGcioriAHBYRybwUGf9xva3iCVX_9ao7ZWfok7U8Za1ko14UE3LTn7evzW2HPqew7TeXHH_erEp7UY9lMQZY5xhG9KzsY5dyBo5gvx_VOzGNVTLyyDl7yYDsvoALkBiJoJORhg3twv4wuKltaN8giLiG3DKsKS4lKxLSXKdbI9FI__B0IHMgOupCcRnqAD8V41FFHbHVYHp4cqPUY6YwPT8ewvgUwVjwQh.U0eZY6rqIvOWjbHvkE0mqqINjq9yGCmkAVQv0AGAWQn4ZHAKga1c2le6WjzRXxg_877L6ytVJHmb19KTKkG1QWrCg2sMnmUC10zYCLRa9lrV1heiax_azvVefFFGVG9IT7ZFANR_fXoTXHPqBxa9Ij2I.g.XFV.tJDWedaLGie4wk0Rt9kWVDrpw83XfdA.F9HmRroLqgyK4DajP3QNbfw1W1qaZ8abbQLvd6gr3nZhnd.XySkl.S7QMroy_UFYKpJaY3A0EfesUNtKPHsPojJTCP1F_EFaq5IZ1vtE5YktqI9fhVK.BXowHIv_hDKQ.Q5XbJ4CN.xWI88P6bQZyQsXMLHs5sf8mJ4OfZ4GGHzcnSdCMuHFF30wYhwxVcoUd_2.tShOANXHOjx7s.WrDjfaHUPS5CxTHeKdT2RkTPbpWk9VuVGjtddnl.Bh9Uyn7jm8wzroUQZMyuCeP2SiH5m3Yq2aPW0gPFvQKednw4JNsSNeUl2wgpELlB6alP6SEq35d63QnyXl3WaGK4Be1nv52g1IXw5zjicEiy4qALr_7Y9dxtdGzpPBXka.FT.vBhz.qUDcBypSSK6k9m1XBI90_lPOn5bLvDyD2zhk7Hq_3VSLYlBEpe0AD6vQQhQS1cPG_NJtA6sI2oVhrcS_8knIxjaLOjF0k3w5wKJK7hRBBwlxGJeO_.lo9gjVI0QKCg6Bav.mevHg5IdMQZAZdOOOV65Rvew4L6b3PK8_GGifoPC4RVoZSQCMUegv6Bzn6F_3YjjEdJsqMY1BfYpYJk9yom.xwA5OLoapouoPi3re9XtqmVm.rlWPk_KysevtIZ5Q9EBkdjEB7PrznJ81RyQuOx4XY0ms4a_tdCgKquL1ajPUsM15Hthp1O23FPS_9vLcT5whTSwZOXcw7FFLCrl49crloi5JnI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f236fcf9d620a0';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\/5016978342?__cf_chl_rt_tk=sYwWIgsYTbdYAiG0jpTtlvvE2Mb0eOoeXvyI4vhinPI-1739086862-1.0.1.1-n06FDgFCZSjDc00Ya5kPnZAxzLRNZIA5QeY.YEuLHuU" + 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