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-affzeygfj.mit-edu.top",cType: 'managed',cRay: '90f189862840f28b',cH: '3.x3_Pi_K0WGrkpROntPfZAQ_JYYDqs6aOWTSqXzYVw-1739079757-1.2.1.1-6NJs47H07RD6ffjfhx2U0CFsX9JOxTOTmAuk.VvDqPz19.qa1.OUd9Zsw8hpm07n',cUPMDTk: "\/post\/5817639024?__cf_chl_tk=mMc9muUB4eAz6OHOE8x8V5H.WLZuJBnHSci8JqeLpkI-1739079757-1.0.1.1-4sYb4f0qVGb3l9IemW3tL54_VHiVLEtOJrOGjq0Wsmc",cFPWv: 'g',cITimeS: '1739079757',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5817639024?__cf_chl_f_tk=mMc9muUB4eAz6OHOE8x8V5H.WLZuJBnHSci8JqeLpkI-1739079757-1.0.1.1-4sYb4f0qVGb3l9IemW3tL54_VHiVLEtOJrOGjq0Wsmc",md: "iRAHAUxbUMmkjJS4jl.uXnpm17M_5f53fLmzWAeaY4A-1739079757-1.2.1.1-1C3uL7mlR8cKY4qBQ9ZYeLK3dvmwQsueADjePiYw9.qoVtfj2u5pLf2MwNLAru4y5rsMeaAkbIg8dn.eMgIde_jvopqyrbLfCO0mkguF6U14fkUjJYefsNYxGHVSW9WUkgV92kp9rAlo8PM49rjOc78IQ2T7Xhmf1ASMtZlg828w90oBjjWCx1WD8kE_nzXfvCzcabbXO_NfI_10V8C.lDyEVbt14mpcGxqLJAY3KdT1blNyvep7rGAOWtfsXfbbQ5LWCKl57favWfnPmU5VvC.koxP.8GpOmnGcUh8FOW0NHiD.hHB.6Af8_mmLyBOUuoZqYl2BKBY0MfyaPIhRKddFi2ybupXtgKalsv9nsSvP_14sFD1L1GcEnHo.3imLjVDA6SRMogkXci9L3qtCof.B9fcRpnT4rbS32XQ21P5FPJ_nv.pgAZGPCwASVdXUW_S6VE7aJR.gJ0WFlHLG5.yJajJrpkWkmjBqhrT64omP_3.wogq.QqgzPR3FxawgLM8puDTu.x5EPl5hF.fqic1bdZv4mCNRbKjwLj64QaoDQUnwwxook2yIL01onRYWAeHHGyRV2lXuksG5bTngBL67sRyoFJhEzdVVK8lrhpMmIDkI8k97iTizd4nTpICArFEjgAaNRkert5PPsnlSBAlUNS9qSs5I9oaVYItLqvGbmHH6KmLE4vIyDfqzRBPyk1Oviib0Q.wn.doQ.LcCKKVUzr5GjMyoFHPSk1qRhegh1s2o7Q4ZtMCTS4FMcqh.5gM4esFrzjnPLO4AimsFyNB5ECfZVpvwC4xk1fbs8sR7r.zFu6hr6yLVF5kFOJ1uALiD2Dkn4MreL6zpstOr3pdgKF_1gbiPtQhhXL73hCseX9h00tVWQnzTzg2FoeILuItIrBvoNYeZZPjS52f6oWq5qIuU9GoC8f3Q6Br2AVvBEA15rO_mr4nNEuRu.iAmHsV0H5G9kNbYHqchVOVy1c7iJYogPRERjAf2vs13WjV7c0n8x_IvH56OhIG4Sg3MLVs6qvEQok8JEswcjzh0uOlavRh1aowPTPwyM9k0v1kclIDCIOJ5lErBkfLxF3CQmFSUlrIDqXl24scdgHgtBCq.npvopzMMGeBHV.zLyGxZAAPisb2D_pGAp36hNqyznOTBhzMmRj16M5YyRGqMwvp692598q5U3fHyhX86aYnBRlr9osiit27tIl.QoOnX3nr3r2rVYSAjMbSKHNJ489146UIXK0RX8X_wBvb6DM9qkysfEyY_7ONsERtMSv4DQI8RDtEfUs1ivebTTvnJfKNvLbAUboOYo8s46SIKxHCLN84C9Io4g10zsQndQavvSrnaf3i9mct16gRWxb83uWLRXHhVbIn3qNTcBhQydH_s1szzdO8TnP8ww4f8KwStez6e2H86VX8likLzzuXRd1DTrSZPTdJ6pJoAgZN66cAotvS.Qb0kuZ2_kV.BOZx_3s_r2V0CNS3L4wTXPQnbqwq7Hd_NSSIvk4FJMdUXFB5fw5XRvy6vsTdGjgqYhhofb6v8yXN0wvnfZZ9.TapaS77owL4JFyTNjc.xNIqUOxcSSIalzH63R7lzjRCETyOa..XmQbU_Ml8RTK.kuVC3VDEUgzRrQKEeFGpKvVoLAM2k7Q.WNA.lkq7f8NsRw55iSRtTWldmRC3arNG8mAOVyE_mnQx0dbND3Kjr5guOkNXU0wWsUjKNW9Smx3wccDG2utlxn8t89M8bAbnWMibgO77guvNbS4GgZAYTot.3v4gN5tlUM1kKqMDrX6LBBqOjENjerIbrfFSnwA1W30FNPRAmQ.aK8qKWpCfbIwW92WF8oEQZ0n9fz80SkiRM_b4OLDFfk0DB.jCkmJA6iAabr1WSyAPDvD4oCqTY62wMwVwz45k.fDAcNHbP99jUIBwfL2ohm4yLqCBAI0UQlH0D1z71FWqAOmunsYkQR1IVxEFrDM2UfYBj_HXL8a9fi1jmKJelS88ucDN1WFsZP15mse6cljh8zCohrAbXd3BVT7hHamn7ee5LbmXwvZYFVoUf0owDrFKBsMt_8o4UZ5XmzhMptt66aHQfnbL0FUUzmxrf2BoP.bqZYrbRrDlHEsAr25TA3Sq9ZAw9zc1TSD9CnIXyTiTL8.7YFqCfklMKg9LWQIsD1Dv.pAaPwo68l7WHTZ1FsI7GZtvRTFZOM79U8UCrwnzRm2JddQruIrjjoe6a8kZac.Ud8THQjMyfdB5e",mdrd: "UoMsqbgC5Wle_fnNTc29uXXXquPCzqxsli677ReFJpk-1739079757-1.2.1.1-XDkExpTcAyZX55pW2DKS4aieNmOlcL4lcYA4Dt6Pi5zKz4nZs0BQ9M1.99ufrBmIxehU5S9Dbl2W68A_6BGCMWlwsyXVY2GbyPektSH20D0WPhpIieFejUsBlTnY9mrxA4V12s7guZ.p87yFIqKbIxCGS1ZdlhDCsVuX2IosPbao1NYXOFwjjyHX_zAgZehc9OmjXKv4g5JEAQAfXH5HFdQgANNYu0utFmJM66LaKbhbX3n.eI8teIqOEZhyqYtUkSeJI9ISw6U37OlBUtzn3GDKaxlqFl5b37LL3_.y1r55wvJz5RtI9Mv6.KNZntoSs.RhNLWQj0EKashB5FCV5f5uCAtjAHfLNbkgx0a6Lh5HYK9INmdoc5t51ua1MuvgXhr4kTEJhAYeerKf5GGugCRNsQGAEG3BJoOcEdXX4_Loc5KwXy15HYW7bNfbVdwCCoElkhs9VxEyWMbbstH_526jc90msWjSQzSenuFZuAOuU8uzhSO8LIUedfJMP0FezLL8ECgnh5M.dhX4l5RNMMHVbDuQLIs9RgEe2951paJyjUeQVUULDAvGp7w_va5_.NrKZrS.6maotFd1uaaDcR_LHSegZ3ts6V29wbXTMztUFz_..vXzRwKR7_xeLpME22v4W1Nv2RZvPubOefbV57KZKxKX2EcYsiIv7gNpkqNzy7SwkvT1B3URFyPD8Y9YopDVgZWWy8uZdCqAx2u8t0K_M44g9RNkpOU1c62OYH7MYHqDvRnudnJFnLNkg8nXXHdBNcSaXtWn3kKXA3txlwLEsYQEb2Cp6ssnS2QwChF.FwOdW_8UrfKmqT.yWjcLPnp9J3OxqHMAHUOG3EVWaAp.9PiPhvtOs79VkIfiWgRH.dQMEv83.52kGT_JiTqHoDxHVBEHBNc8RvhBrfgMak.VXyAXUX8yBEGm3KxtkGB8dUSmxW.NRNEQdyJbCoSR1th_FJ4CqKwuGldBN.0XypqRYur6msQQthhImcPl5h4VHE8IupfNsBk5x.seIK64yMxN_8dea1gzjAo5DUftyTZos7vvdHoY3odPrYckvKSbVKcZNDQY4.EsvkRWAp1okCRtbrwadrxey4J2to0_aaXrPYa2J.Oaoh5847fK35.fjGiAk0plqbWc1nfVYwor6sABAQmJq.MmULYHbVI4DDxLswEQ82onA0uS.vK_ODCu_hCiGUOHDjWTJpU8ftgtUU0yYGg_4W5PL4u99HIKGQ4.6aXxiHB_rvfioezWMIF6wuYrSOzEkPmeJ0PidTwY3Jj.F_VNGL3VjATRUYedVUEwqbZLv87t1qfXhl0xGuHsGjOH86hDcJHXIULvwPyvrg6nogL6c9yLNYwKCpYf8AEaNF6j5g9RNKMo304i6QpwZlmOAQC7QG9J6CJqY.olsSvpWXB0IM1PGrpDle3RgrhmmozBa.uxpEL6fq7oHSrRE8x3eg0R7KPlbMeuNEAF2Dd1qzlvcrZpAna_ARdlkzMIgIrwYkaFxFp0y5z0w84v4nNbgaULqE.VORfqSMKNREHVF9LJNI6xL3ulft0QOZESUEUljezZILauYPkI9_A7c43dtGrGNxNpb3khSlCjRjSPcctZYDCF6_v0xnFZDtQ_hGvLPPrfhsg37pjDtWO9XMr6K48bbOrp_15is_zCoHa4hTRT3dbkq4Z1uU1jSjrpMQQffyn8V57HtoFD7gWuFS4plPkiePRX4MjBQDHkOwVfZGq.9aWHRhbFyMVPW0UMncwLpL1.6q_mVn350oOTiNFtNRp7ChxFqtnAMCFQlIs3Dh2KBfsf0Y15DtuCW_yRRGhKkI5O8DFauaPyqYg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f189862840f28b';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\/5817639024?__cf_chl_rt_tk=mMc9muUB4eAz6OHOE8x8V5H.WLZuJBnHSci8JqeLpkI-1739079757-1.0.1.1-4sYb4f0qVGb3l9IemW3tL54_VHiVLEtOJrOGjq0Wsmc" + 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