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-630663718818.mit-edu.top",cType: 'managed',cRay: '90f81b8d4d5a3b92',cH: 'IIBoT2Qt.hF_dl8v5T.yHeXnEXPxbLsW80p9Nd7dDLM-1739148653-1.2.1.1-WeUc6t_74IiUvdowwDsUaLmRgaDGIkrfFewCdH6z8nA4HuEN0OwrR2nLgSW98cYO',cUPMDTk: "\/post\/7602183459?__cf_chl_tk=S2eNZGJMOBmvZf1g9tYM73hgXHyVvFo1ufitFUxeb6U-1739148653-1.0.1.1-87h8zxzHuliZwvx_3_1oS_EToxYWolN.t6wq4nnFATg",cFPWv: 'g',cITimeS: '1739148653',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7602183459?__cf_chl_f_tk=S2eNZGJMOBmvZf1g9tYM73hgXHyVvFo1ufitFUxeb6U-1739148653-1.0.1.1-87h8zxzHuliZwvx_3_1oS_EToxYWolN.t6wq4nnFATg",md: "bJFkADgx9RxVnwQy4SS_zapLFEFoXZRjXeiwHLIMuBk-1739148653-1.2.1.1-Lho.zUy43LHraubBCplsyo4H7Zdj6MWx8eQ8rzgXaHWqNRh9Be6QdgqYzt56q.eaZE9G2ezHp3HpRgt.cUDQEAxke4a_sKiRC_SqcyO04Ha1siqZkkGlXxCtDjm1jxmQvREXh18dQY5NwS52nDsmWYT_.6PXijHDRIORlXIxPBkDhLJnRwGFp5wBm2liP8aXJUAEmyQBuguoRCn165mz5Ft26rxQWrTQ7Lgeb9qaEI2A5Ntd8WoQlrUFdnuawUeCFkSXrqzrcOFZNvp1SQKJFnpy5xs9vyDWZ9cFcdsMXzA9Ofhg0qpGCAVp1Ra4qnRjuEkRXb2v51CntHZevXfIRkdw0mRDNvOi6HxBXqzoMhMSYHa4xD3KGubd8xJR4yRU779FeNUnNrrCrlvdqdJI_gZx554MfBxtbZ3I5gz5aoJhddzYM3SsacuLYZWSqtecOPg_X3VLUc76ZJb6IQVc.Ay59w0GVBobdWx_WvdSTcHPyc3Bh48hSC6PNmyDwTBLa3axVLJsqJNenYM.UOtz9TVSnvFevDuBCl8YEZAULNviYrAERoAC_NTLWanGBs4huBuOwKErq2t_lRHNQlRG2xXMpuhWgTj_Giv2qLprUvsxGfA73uTCUoztXxEHeCUztdnFimgHSBo_PPk60S4DMfiHcShcS1w83jRhgwQ8PTSCSA5OEiQVWu.1ACJAjH0LYI_qhGvQyvmxeESdN5wYm9MJ_Z87mtt_q7LagVnwKYHeINhspD_7B1nc_hiGawjtW.LIZGyheZ5Z1dkrZq.K6uO.UG9sj690J8xLMUS3DeWTeQLqR.RZ_j5.3TwT_QrwTSZsoY8nCzg2NAqkZA5YjhPJKParCbsJh9eT8bL93JYX4rZnLVz5k4U9sCadac0sc_nrNh13fR8QguF_kgygmjnFDOgBJh0BiR3Ivf8K0n7V4HDDfHqlL2aHTqtdCAUARx_S149MW2xI_EEAujD.bnk6rDcYCoXBARVAUygeFTu3FLsFvvvv6mTRSLj.bPTh3WXE62hTLogKZjPvcsaqDHenuPtNkJD.2zkfMlhvd_YxVaTsGaMYdBoVn.JYsbDzL672HLeH_UJJmzCIhHpty3iApBMeJnQy8jBuFloJqj1d17SvJeuwYcUyr4KmojN0L2F5xufO4nOum_IXujFM58zsZ_065cvAkXf1yR5JqycEf9g1AMw68q4L_6nq86rnp3CpzTlVUahPd3JzKqfE_AKsYwF2LrbxryXoU5Fnrw_l5MpkGFca_v8AGItaPbNMnCHWGnRXmimDRTM_4NsPcxqUormJDuIZ3PscTWf39hV5yyaZK5URDA3gxGCO9hH0YaSJWwMOElNIjVWns9GICzcL5Qj_WOmGN0sBcPoedTzOBazFG7CIttuTNnSKW8lah6UIFXDl0ZpfyCWwhipitgn4Yk0UsWKnB1N8oRXbQ7XLe0XMqnSXkZdEDp8Nak7bI8K4dRnoZWVo4Ce4VK.2OQl7uFoNSyEorY40f3AnGSHoOtNwihWqrBdXC3RU_f8JniNJrgZKmFS7U_yr2hopf16QZfyITxy4nF10gwEfZbgYU7k_6ewDwccNvLaKJs82nHqj3cSNq.1pZQeq0Ny9uQz9RMrPot3qv_dLGx9IpkO_QgqLaUjAsnbofTGzssFZrejk56ysq.BQOyGZK4Dwf44UXULXdtQyvk1il5cfGu7Cbq30dBtxMoUy5OKMSflVincx.mqXT.zznvgypzyARuiPrcsmYDcxHfj3yjfhiZVxXkT4ASnb83xMQBoInz8C6Mz.rj.TsxefXCMs8FiPTndyw.08fsFE5AeSxmICEa31xmDm496iCdQ4YRTwZgVCYB9oWs.MWsQKmKHVrV_WsvoK6hG2ewyfGhs4zOxe8uQyIZpDzW5TXYtEDLktusXPLxQmKKgDdDdC3I4Ofr4cqSOIhKj5ZXEA7FwkCvOxpKDzorkmJMhvSAlCXrp7hSVKbcsUq45lNp5pfoRl.Uc0PB40NiwFD3UAnnzPjQClkPYeEFjUoGC42W3vg.g_ahlHrINDmPEqkbrWNYxhin8wy_UaOmBsZjHpavCUrFPYV2MRPfJz_p4rEeVC4LRAzZZibXbfOwbMok2Mh0OijsOlyGpW_vKzfVJINoqsv1nwmib7UtnJov60yzS9MvfmC8.lgfvJi04EBNZLp66YQp_YcBGfO4gClNEZKfCuXtvZwvr9RZsxUWXgTV.PVAA47Pvk",mdrd: "rWaav2rDWvLjZZlbLKGuDGGVRjvPbF8BZ5UDbYfhsOI-1739148653-1.2.1.1-_oHkDa1wPTuofb65iLjP9anbtiISwNZeJyTe_pnWB7s2JOO0cxI5EhBZXPo7mrTngbvHnakiymPCLPzItSpiIFamH1J1PRV1BGC3xQWcmYM.j1IBB3_q9WRHpR8DH_W1WJf8T37HPaWt.4vRlvSUM1dXaV_y6Ir0BikczeQrF9sb3mwFqowtI0JqW.OhNmC.UceZPyw7s7Dfk6Ccf3Z2IayE7xuvKBQEbNRv8iXKCYvgC0YDUedHE1gVvm1QH7KBU4VvVRF_vBWifS3HYuyzak_5nU4ZAlv6keNhaOAJhK9YtKGwyTBQIBTQL6YYU627XBLLUmANf0DCPLurjG4tkHds0df0v2EMT3RcDCc7rhdJY88VLc4z_wJ.MXYQSSw8wGnqfd5qXo1anJyMWFodzc.1OL10EcZbP13stsmi5PenwGuVjOojDNmM8oCBOkzorqSWW.OqUbhsCbhD_W2EdNNp7xRzt5eblvLAaDFwNyeY3zSgYWxpg2hfPdAozXchx9Gw27veGSzAPgslvyw8pjmMR4dadRlh9KvIHVUnxd86uextCkOPXjcGb_beHystnBKd.rYhykHTXBeGVUV8LmV93KaOUgHQu0XNsW6PeEkHsjavxtevXvWps6S.chxCibXJ6HK46.AvbZx8xsIctJoELeA_9ArCTCWGZ4dyuWXxxoq0f.XXoMkv4iKkiXWLo3sHRW3pYkLpWONVoT.4rKRm0HUHT18tQ7mlx4gIlko8WtSgJXwC6Rxpcr9xxCfsUiJFWl0dfBxCOWV5ES3kyTbdzzta4cKvhNVXxQnNIOlOCYixO8gsHI37BwJmol3_ljXEN544_CYGQTu3DZ5JRmGArgxnWNTXYty9E2JUuxTCWoZgFYTASVG7KwGTM6QwBHR.otpPxF1qxkTcgMDMEQ7_aCMEx_FmLih2iGlm6aeFIQbDFM4nsMmp67iAkBFkcv0Qc3r_F3RvyAdpOzwg_s3ZZgLuJW.aAGp9WkRuP3QefLU6vWDC7Fz6ESqris6QWpMoICPecW1gHfOGrGi2Z1gPFYQNuNB2MMevS1Y.wBaUrrrdelspjALejTIs4tT0E0uO._z9_IUyu1gUP1l6cuKE5ZlCwY57NfyWBxPwk6GopSVW7eqDs_KaIRFhvwq6ooJlT8FYybrX8DHUrEPdycwcPVw5ZCIKVCvwFDJnie5lVgsr1fmfT_KN99dugxaxu26mnnanAfSK_odMi5RHWQ_9csv3pYwbWGo_PBlJLa9.2N7k8PDZPpGrZHZVnYhBJNrjsewqMshAxCKAyym0nzEHuavl9qKKVT4BivVhT2Ce4gtVQSIH_ivFIradjSK.hW3hngevai3kcGNaC9oM9wMuutQy6SiUEDaJcw_Bd6xNuuqPaGZcD1FSBlwap7qAcnnzNhg4Uhdxh8SoKB0L.XyLdpdQo8wn4f22O3WfIIBptKnmYh_2.w9aMi.KN_mTmco521yCivjyl2yGj3mPlfzBklnZgJaAy2ZYUk9khH7cw2FhQwiavtX.dwyMkPsXVvZZCMDV4Io2ozdOhX6PtQEjb3R5oMvE.eE47JpzQJS_JKXxq1V0PKkJeMREmJ5t0BdRt8WZG0lz5CC8xUZrcNXb_xUT_TZ3oKMoSmzhpKIEpL8J8oPPRZkI6P4iFKeygotls_BSBQzSIf27cN1UYutEbtE88ZpQ1_v_WXEmSYh.isozeaKILbvwjZR8TPaDDsvY.MsUVqQa_5fXvQKhQLsrCjtM1pAayenEKkqbNkiNX5oKP.MhgNVNe1HXg7hbYhr0PC3FdF.2gNUDmf.hNkiBUc6_Ub8znozRhhLvpSU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f81b8d4d5a3b92';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\/7602183459?__cf_chl_rt_tk=S2eNZGJMOBmvZf1g9tYM73hgXHyVvFo1ufitFUxeb6U-1739148653-1.0.1.1-87h8zxzHuliZwvx_3_1oS_EToxYWolN.t6wq4nnFATg" + 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