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-145336969964.mit-edu.top",cType: 'managed',cRay: '90f2eaf02f4e7007',cH: 'xoQIWa4n404V2nklmSzvFWYcRNMNhsyXcD2lojc2I0g-1739094233-1.2.1.1-5SU_mouvtDXrjmaxxnertPfKD6e0MbUD3kiaxp0um7FI5NXM2uqcj6.njMJ.2Vil',cUPMDTk: "\/post\/9104827635?__cf_chl_tk=iK6qHCVvWoBwUn5_po1Q5eSkR3a4wFmr76F5AokLs60-1739094233-1.0.1.1-ijgBDjr5gEKDY6_Y33QUxliDJZOxqiI563CeFGfY_Ew",cFPWv: 'g',cITimeS: '1739094233',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9104827635?__cf_chl_f_tk=iK6qHCVvWoBwUn5_po1Q5eSkR3a4wFmr76F5AokLs60-1739094233-1.0.1.1-ijgBDjr5gEKDY6_Y33QUxliDJZOxqiI563CeFGfY_Ew",md: "cKun.MmbMsR_m9SMMk3ahCU1zoXPK9tVNm2AkTuO_MQ-1739094233-1.2.1.1-RNRG10VaB2yrriTUvYaIdxvn2jWzF5Pq6j9_gVEHYHL0Tcl_65pNTvBKCauym_KDm8H5NsFNKOFqoHWNJdfFjEIz77Aw96WV8EbshE_.H863Kmd9GFSFK8fp1IWQVMfIdATJtZYBpYdieRK2Bxy7SvKsYeywCaBJDOT1ujuM3JA.F.hzxEZdKWCiEqZgpw4qQedgU83WiRN9f.cwJlr2P.OXJA9bJbj_RIcsqeX2JiDlXHMZNv1neCyPBZUXjn92FcLUF9wUVHe1zYJO647hr_T.CmQY31EfqcFky_Yjij3ZQGbcJ9ckl5QQg0MPMx9HnCq20Ka5j_vMlyaYofZ62U5GBKla4mvGsepdRbrKmD2.ZscwX9k1DK7e0UResc6qXA2l8VdLuhvJOnJOlfZ_nq4OZGgAOnmd3u3QBqsvsKmlzjXlFNWj6w9eOy.y9nGKRoXhoHewgcgwFcLQomLVOsyUMviDPoOyvXSwABt.KaACpmSxKX3yHPdEc0dYw64o6DOpNqVgcvzYuUveM9wLrVpjAhipgnlW3q.6FDRjDJm_Hxt7So5fQDXtGVgtTMUwEy1FGpdRWtTkDRP4zWw2UMVtPVQ6D9IlWlXxk3hGyWgcYJ.CLI5FeT7S9BZdvjUkePeagGK9UF94m6FuTwFOX3QZb3wtMqKdmF86McGaxp5ELm34dBclYucVvvR_wII7ME_PuceX4BrfhW9DWbLKmRXj5ZJt21sWnkRtUaFV0k2_u1iNBkswLykJ851VuimaH3PzRXSK05eoqH1IXrvtIYMgnYq.P3WvnKieXXetRsw.bX5BzePizjejtrM3DWGWytGGt88qqJmR34B.uw0V.2MmmL5eD26QO86y3r8aDbPmFlDm0syBZ5HfAqqaW7yZNLf3rh7BXOl7LF8E2y9MdEmxmYpwU5IQ1o8sbIqccRBeXqe5UPBycW1wbHIhfiMXzLMcrvcmbu4m57_iJiwsQMDC02LRVcTsa1lWXUqCdzWvPCZkd.cdNaxt5.MSZmRpDMc20aHfhyoHk_DUawvkX2ib.FWxMEW6NQBUnlPjHG2awk0JIx83ZxA4ZELRm3kzyWXX6W7UKyrKloF89sdNN2TUSgPWhO4UzwnT4Wy2rh0_ebCN6P40VSCiONxt62siQ_MajWSKj1W6vAma8qMEdLxzHtOwC7NA1H9XtKj7b8rPSzY5T3Zp67OqpQ1vY3d3QEjtcCvRBcwc7PR7iMvPys0LVqbSbrkAHaHaar4IlTNZLlPnE_aaMSP5fR.AqmYrJglp99WBZ.fks9Hl2qDgSpVRLsSfr0EAHVRAokuyu2Tm4qNYXcSFk8a0YpzNg5Dx.zGjA_OVddKgU9kFLVP6LmGo1hEAI7GLrUVvp_6I5jUZjMFJjxbjEDCEVLZLEvaOxUyedmx6pYwuQk36hsEJsAfBFMGZAbRsF1e9CXrW0ANAgxQ.HoUio_SgRXxzKd1IUq.mOw7LWYIa_zLKjI9n_7OqX1p1CWVqSHX8sNAYZXokyTBZDVErhy53IfpN3.VoBUbJziNVBh0FeyZ.tX3lDZuqu6mSApN0jq.zqilb3J096fcSmafLPTsy3xZf1dhcPIGOGB5JbawFy6cHK47XwNs07l4XnO6VCcZJs7IR1UQzKDlT0cGTW9wDkfSev5XIr5vpFuPGG.6atFgzN24dYy.mOHTu9Q1ynC.5oCSPXKlfD_iewBlYzCNNgbtOKrXcykcga9UBJeYvJdjT3.kL1Qbz0Em5QL.OOwwRVQ5Ef.4ZcBrvrtUQ3lLvDEwkJ4S2k6pru.QrXFjPytiAUZZ2JucbgdIhEirsM5r4euv_agteoZOT0944umnJhDURh8emJ_2sADZRlr7BaajNdtXnElcEn4UOJPittqIEvsOH4JAqaiLn2AfZrR.NoY.qTIAEo_R.5DIN8n9gwXBbiRAn.pRqgIhFLOepvrfDv971cCS_WRVg2FTC1n.9VVmeIAdGZr2jqyaxMvzsWDks9nvWS9QWAbGAfJ7tgy7ogo1NAH0yU0n6NAP_knsbOvzVhy9md8vPDFhabvun8XJOupJTvfBEvUEiL4kO_SrkE5phuPg337.lhvbQfauX6gHuSGD18wZ10tizV_l419NZknlHZKEsVyjwaQlDn0iWQeBuBmHTrafCHHLA2N_8j.jH__KZlHEUri1f7HdTEiAneIJcFQPESQjmet1CnfeVSqQz3RWz2Tq4h17RYCvqhxrkjPAG",mdrd: "oXduZGoy4MqFQvX__2MPZmKRTw9bWmKWc7YR7CaOrEA-1739094233-1.2.1.1-w40JdaQkYP2iZErDYZ5qKENWbxZbtSlGEmR3nHuo5ZetAub5aovxfVApEswj0FG7UsnaOMDWdvsWrt1VhNB47S8ziIHEk6UHlvHClsv3aDrwGZPpBMN.GxBaRKHUPa18kLfh6.nX6IWBJVNQLc88NL72ViQ.bUVCPhzDcjGCmH17xCZiEoxWSWvVBMeEdpZZJnPj0TucDEY_hds5cybz1wEUfUPByOSBcXxB0VO_zEgMORs7pnVU9CieRJvCRocHPAyDwOq5FEhJkQVDSJY.Vm37CgBp_LQCmYgcrIbdWeCA6P8He7hEcYyUwJb6ghUoC2I07QYinnMQ.kr3NXQDP_ijxr_NEDbdWn.LnpIu_Gs0fNqIH9Aidhcgrtry8ijqYNy6mjlkBeXwm6gVxWeVbK.DWx0emoPUEX9PzUoTT_n3CnNgv7c0Tqgy47wL87pSH6iwndN_HXlqFvbXL.nNNRc3MGvrsFTZ99Xfbbs9AfPgfCz9TwIjApjyJyssGQdXWS9MRHrcZjonjn7BlA0RfP8sV7UnY0AoCPTmoYrndIi4cD7eyY8VjdTcqD6SdNpER.UVumAvosCpYsZnIPywjVHe9lm4nbmQ.4qdTOtyYw_gMM6dSYXZB6yMD4xBs5OmrSwVsFeDALaeAeKvBK8RZZEPT.yb_KK29ctNk4vPZhzJvYVX2aBW5zTZRe0MGtn14Y3gA7FSca_m.QjuWygPHmg4LyRD6h1OrVpPKU9Q3S4IHPE3DYv8sOX5MVQ780us7HifbxUZDpIbCNx7uK31FM_v4B0yrXUDHpDNcclvbYxx1DaVRF9CUcwYXo1AqnG1iRiisiwZXuJ63vIoBsAzrti9LY5x_tYLUxyA9CtUSTiFy9mHHXKGL5L0FqBOdqJE3vhZOmtkFL7VqtU4Ac90LIpTZoDZBJLeVTjABOVYLZYVpTYefxfLO8gtzFCzmN26pRxznI7O2NWxjw0DO.TZfn7r3abE6RUyPiQr9vnq7DXRltwRMP3J3vua5711Ruz4JjTBsFfERzbsdlbeuGywLmpImPpqVifQpYe7PGP6sw5UksZsnzWPFggqaW1zaGvjINwFjm3VrGuUidSXeTwd9D_udq2CjjYgpw2zkkvrXeihJUDYLfl05c9FO_mXtHtz2CC8Dt1VVn821GNp9z7Rl1bfmWJZH331DZKcFifFFsRJpjfA3itmJCULt.jWaNtgfJ0YXCxJLDREUSGR8OetFQaoNcn_LkRfST.1edlcRjcXtxf1tUBy.35Q9BqREFgmv.YGm_bmbLr_cRL5Vya8DC7uOhY3MR_QvFVqLkIhNdrqa1YP9pNS.w_3GXlEDByHnEyId_hTQsgYorZnXeIpGPeq87KL_7VMIrxYh2aQf8_5Pu6Tguj_j18VyeKqes0.c3DFT_J23En5K0SH.S7sELfaYqvCzfzbrjvizMT2citrw5DH9GKPzNgTNaa618vM69tIatBzW7.6R7vkNK93wgEwkCw0tUiKPKAWLpUlAW2O9fVXPUvkiyx61V.3POovDLxK8qLaA.5Ly8Vk3bf_zgJD1PRaG_Be3AiFo02Q8P_VAWCOF.a7oEK104_FEYo5m6giaL0ILRjGA7UJe6c3JduvFRV7QWNQApVTaNkTokxp9Q3g5Y9Daf17e5VB9JjQiOP8HOBvHaRYog7aEWjsABWg4zL_tPt8wsMgpyY_rmoVsUS1RKPnhr.AKfFBsWDvmZilWaQxhPIhtziOvX2TnPbN7B.jNmrvC49TW.xvmvv6sBIbVqGm3czLcub7u6sMS8xI5sT.nQs0BGGfhUCuzuTN9yvLtW2z9Pr3O.rCjJQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2eaf02f4e7007';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\/9104827635?__cf_chl_rt_tk=iK6qHCVvWoBwUn5_po1Q5eSkR3a4wFmr76F5AokLs60-1739094233-1.0.1.1-ijgBDjr5gEKDY6_Y33QUxliDJZOxqiI563CeFGfY_Ew" + 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
