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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-872796095484.mit-edu.top",cType: 'managed',cRay: '9110502b98a3c938',cH: 'PaRkpYZANob7wXHKQpPWwb5nrdy92sFHxufi42Xbr8E-1739402467-1.2.1.1-RpRjldsk2sWYvLTEyYDuuAiMwFV2N0MQ._uOHiWjmqPmYO0MhjykERF69ZKJWbh6',cUPMDTk: "\/post\/6438950712?__cf_chl_tk=xw3kSuAGco6_0.V9Spnlyp07trzwpsT9EWUlb0r3QRE-1739402467-1.0.1.1-ikaFUXYw124_l6pMTO0T9Z24Lq1_0Juyy2QBgyw9fIM",cFPWv: 'b',cITimeS: '1739402467',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6438950712?__cf_chl_f_tk=xw3kSuAGco6_0.V9Spnlyp07trzwpsT9EWUlb0r3QRE-1739402467-1.0.1.1-ikaFUXYw124_l6pMTO0T9Z24Lq1_0Juyy2QBgyw9fIM",md: "FXjKNuPYjk3h9.ooX.9VEUzQY9JzP.pDOgDm59IPXJs-1739402467-1.2.1.1-WW8l_ekCgG.5PcyrlddoLXs314xUVHzC576lypnodpDt4nkBOGUC_ygOIfvOPcabvdaIEiQeAUvcV6DiN1dgr1wRgr.5QbE_CaMI6I.RgbqnQ9VItmtdSFrOoJqdSJp2cXZJtpyfPULaCQkVCyCrJyL7tCbjBvmWo5bSGKhLqjarqHBz8oE4HL8lkc8Gjcsajt2dBtPFDncbE_KX_yP3efIjrrEajsB0lyzPPIy2Lb6L9fyJ9MvzKaH1qVk8cq6Tsjgem3bhXosIsI6VWz9U6bWye.pnCR5EhL5EW1V.yFXabPf8SO9WsVA1Kg4hbjH1uCskn0c1CH2p8lSzuadjFZkN.aSYi2AUO3lH5cyCVevYu4xgpurMKcNL1NTgkEihbCC17MJz0..avqd7AnKhUhV5wMxOZ6eK258KbB5ELHTZd9MABfKvXXJKqDVnfRlESRnfYvfJu9giSymJI.CAoPc46dQHuckWINeSgvoz0d1_.gVf9qzrqEcq2U8dlt4WCnmLW1UQZQT5d5HHuK9FKFCX93xB8NjM99zeUdGey6eMw16kaeMnoysOxh9lEZujUStLzli7pf5oYYyVjx7VWsnzXGMfOb_zsungRYo3uqv4QFgj64EYCn284TgwJ5Zv5erBPSBxEOxrSvfffGy6lkvOYwrQrirAgn96RQpl3vsO4WaILNyiD7nE0vlj1MpZpVPuwFl5.MUV2IOHcoDPmp9BdwRUe8FAXFkMDGjWAl9s217QLDR6BKRNqEeWWFtQj99uNUN8rSunD0rP9lE7AsRbLfhu2FzWmtWcwVMvsc3cQZ.l9xItkW_zMHG7tngisCv9BorOup2YMdZcNNhwybQmYRIUDPnLZneque08L37GMW72euMW4YCDKEkXnv0uTm7b4M3OHW_w8sfZaWD0velwYyZAZvG1uvBMhbiD5p0Lq379Vg3zvyrm0stghODkW5m6avDOAln2wkV9D513xmBBo7.o3u81jjzxffsyM5m7zEupkWMckexUCu.XB.iOUPwG0Dbm8W52HTcIqpXuSjgPPdkfLtOnyzHI0fsDEz8RFyHnQhdmA2Oy7hWzezFKpSxj48yIvit.rVgsRWVkvrl20unJz8Ueybf2647YzN5QQAKpHhGVrt2h4PXiuR8WgkD1cZnivtWHcozcyG4XtQgSU4u5kbLLaegtjp_KO4C9fFH2dcwMdt9MteqwSL_.THrwAy7HEkKQbxaIQ7CKohlBR7nJvCCALS3IWC4lkYFIJR5E1S0RkF2htibR9EQHVCl2XUF5yAOOF1y5bHUhcczcBWjSPJUiBmM_jx4V3h6x5GNDxB9wRqz0c7DGsKZ56p7ULUEoH0Mbom9z3AFKcDWi9aB2EqNQewJCpV7PP6_LHiNnIHEHZhKm7oN6wNiTsXdtg0d7mtiFVRq7ypnayPKewM1r35eSyeqMT.arIRI.E3N_b.SzqUeHanfxVZTwYY9ozR9P7u6vIvFhjIIE2NdFvSZsrhij0YXUxAtrowbnQpNN3MIFelp8CvyfQB5kxd0ciXpGvcaq5i2Jk1vQeMbyClzQprB41j3m9h5s3lZvYfzzvmjvM5gkm3YxMZR9qtOL6D_W.7fYaCwCxMP2bVm8IBhgQhcDjKzOVqPURtSQ_mI4o0kA_jDZgmQ6dPcCmtkftjyoXmLi2NDuY4PKo3NSVw2FICRQ2p669VgFsb7iYzkUTZqqNWsfknWZlMUDz46z_zCTqL9trkk6eMYt1_g53rDO0F48YDBttrs9Bi3iX6xKy6Tpw1VKrt70wtfUdQeD4vixzKy7Vj8Q2w6sYbKUj06u6IVCO.HUzumkE0gkXWdwMoWevzL0TBn1SqYPaegj1y7opn8Rrj7QgTyLUYx8XHMf7At_BlqEYs7DsL4_dE8KvOo8u1ZLYl7LULwZu7.z6jrxKswcQTXkxVe3CVMTifkjFirBu4zSBgJTF7RPAtdy9.P44Dw7kNotIorF0VStaGLHerx9Sfli0WiXpaYhCw5jnLH0v.D_97qy4M1axGzlJazarP4SW.NeIDE1pQ6weXxpEDOQSgR4s_HqDRHbHM0PUAx_eU5fB1Q49txENOtCNB7HKSup_3HTl4gDIz_wfxOXeWM6_XUsdxIFNyKCc5gP0Sl7WDoZ53rHBHCpnRYdqWayT_wM4hElz3a608gJ7gVlTL5vW7DrgPSA2kL5L5RtKDLVCo9WJeHDfRzg7jjOYlaJXa80T9X6xXBo",mdrd: "1SAI6H9uNRuqVrPZW33kD8JkC9RemlWlrj873TIqHhk-1739402467-1.2.1.1-fiVUqTVqHZsf_NdD6e2QrVth_Wcam3biEotVFzViyoYffNaHKNXfXl5re4X7VjSjkxi9LCHgA4J7gGBh1FQa4bT.Kd6iUBnJUTVqHxM98hRSMeVUpvd8G3hkS9KdESlrbAgIVWovquTOtfgX_vnlkN6pjzsAw2.paQiQcJB3MjLAeNQKp.UO_ajciz5SiE0wtLcJakq2nWe4fTg7ABhAXkgdVEuQ7wBUq5i4MWBN.7sFzeE4e5VLz5enl.fTL8c.HJOEOlRElOZS_DKbwlSd1HK0jRuj0rWCXN39dE3Ui6IPRv_c3hiQRX7HndesRKXl1.ubHVQJjogFo.4F1WiuliUuxXpy0BS0ZT28Fp_yS4S4aLp62KNkXH.rvZQsclguFVbydz_SwvTITTaIQfGfXNzaJuhDXxei5gU8X251zoeICffeUa0OYjDtlKkQP3CuiM6NO8715EEtFbRPoVHo3RszCPlImU1HB3UOImBO09FvEWODkeZgP4ZprAuq3f6ZdTOApb7ZyPJUZu4fJJNCkq41pjVXKbjo1PG3w7aCyEATuL0lOmZkxEe3ua.ytw4PXu.WwnPiTs7Krre5iWiQ91yVQa78xhFmatk8Dy.XO4kAqmUsV7DWkJZB.dm1QN_fQ1gK2pbvcbfRIHySTU_vKmMZURW55Jn691nxTGgOUnjOLpax9_yzSw17R_obIX_EPM0Y4fv7xdGXT9tOWpWi.MaeU0zS111j59sE32muyoxZBEb.5blJMful7yuhGAkl4OtoPcRkHXZJMUZS6YdGjQiMiQHV9uyxjbZczE37gyo5V8HNy_LjBPKwli.7v89ohxf8EvdVZktYobuhGI1AJiSO7BweQ69c..fiYMGYVaaSQUezUhs6csLbb_DCMTVFKJVGLLfL35QDCdzYyfHwyL98xXrU87bHo35ay0faUn3AQ2ev5flIImE699JdWJuzccYRzcTF1M.qrKsjEdaFUtOLZEdcua_ZQKfh03yRnOATDA5cRq8V4YGReCYfPMjgFIRmPimuDU5vBX9zYm.GjvI9yAx5F4h9w2TtajvNe5327tRzHhUczFsl6SKdheQvpLvmHqhw2Hp2mFZn.N8Wt.KCv9mfhrnSofS5c.B97_HD6wwA5fIzvxWIjmqVMdc9xhO6okm_uadq8Mf.XCkETP_HXLB3xuTfbHfwo1y2r4RjAflY02sqEoz5GegAnH6a3_K1y2Ab4qeXPW6vxujSCM5pKD7VnaqKTnTS6GoXFFT4VISxDj_T9l8m.oQRHa9vp1KqD4QOCnn8spP402Vd1Rdh7VcrLanAhA2j7.EaxWR2mdqXgM3kjXp._dQrnsZxz5LEuxT6lp4kVYXRF6D02ybUt_Q179EIU5bzmYiRT5VH3uvcky8DDmRCUk2734RHdBDLwEY9Y3D5HQBpVRndC3_Nv9DDmofMkVCZ93A7MPUjAQBy0uRx0tB_nmaJJJkGSC64imspLy8c1gQiKr6E3.J7MzgGNzD51nsvx2MzMpBnUwB2G.lxwN1iTQqtD6BQFmHWlUUYRrBti.vI6lMr80zrFLRCxicJ0wtQKUB1WbN5JFZbFyj.fkB1YVTizS5Z4WI2OHHTI_IVhZnG2nozvNW7mOaL2O4_i9dXtOkf0XbXKLn9aDQ3hKikEB9XmuSL7hK85LsqVg8HDBedAbpm4xs0iqrUetZpdy4yVW2upbaVutC31ftG69iZBE_lA4tTmUzI2yQXfS.h4TIkZ1SYObecRgV65VtKDVp3NjSZA5AArw9aetRUg7W8N0qgfyzefALGTn2ky80D76BjzHV4UMp9CIY.62yA2tM_RAnnkLU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110502b98a3c938';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\/6438950712?__cf_chl_rt_tk=xw3kSuAGco6_0.V9Spnlyp07trzwpsT9EWUlb0r3QRE-1739402467-1.0.1.1-ikaFUXYw124_l6pMTO0T9Z24Lq1_0Juyy2QBgyw9fIM" + 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