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-aff23l7me.mit-edu.top",cType: 'managed',cRay: '90f28c7a5e253b8f',cH: '2Ns3QzrXs2a9lhBz82r6bln59aj7yR1X1mWtGoTwq0Y-1739090364-1.2.1.1-615r6Asc0GszcPli3FLDWJ_JwLHn9VMpW0ivy9ZeF6W_fSusjU6YORAXGFlciS49',cUPMDTk: "\/post\/9203754186?__cf_chl_tk=WHEuD3HL1FM84_zHk0es0VJuT3EGU.fXEa7uOjznpI4-1739090364-1.0.1.1-ISzOBQHng_loQr5RdLO6s65oy87WbP0pPftBCLC1avI",cFPWv: 'g',cITimeS: '1739090364',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9203754186?__cf_chl_f_tk=WHEuD3HL1FM84_zHk0es0VJuT3EGU.fXEa7uOjznpI4-1739090364-1.0.1.1-ISzOBQHng_loQr5RdLO6s65oy87WbP0pPftBCLC1avI",md: "Gozh5H6jgoSQlSKbJLK9DmK3dffZRjjSgH7CidPD0Oo-1739090364-1.2.1.1-YUI2rJuqUmWCYQoMaAojniVrF7gsfxYepSeFQrfOOFLCezpwaaFMeJdl1hstjNyTzcl5XEFRdScYH.oXfdtBK8EVVSKJvC0m_TBE2lkjg4l03875vUqOjXBgq.rmXgfyvXaM9QcpO26VKWKSUtKzHrja1JWqXMk1XiLdsxDYER8P6o8XDD8RHgnyyqQjVR_vFjpHmOqmqkS7XPwKv0PvGFgZTrtxVUXORl1NOYwaMbWFz6xlNH3fhtMY4wq3Y9dp8nwPDiYbmRnUtHeVk1.Z3oUkXMN7zhfxZe5IYm7zWhCgjctIBNO5a5ocDWraiWlaZWcDhXoKL0lEwCUq4ozNFZUn1TBd2zkGKkGbV7NGinIJJp50RYkgL.f31eEiHYC.8CWIQN1RCkSfbIeNe8B7HFEyvBpNeLM.sCaVhf6.V0Q2ptZLMbHw29zG0hcHMo5P6bq13CpUEG.Ax6Ovhh6tfc6iBh3wqu.MLQUz4CxjmEB2JRX0rzyLtRNvpQzUhQ15fAcaw55K5Juq2UfBQK6Ak.BLgFCzJtD_dFAupHUQ2noi7PtSyqxy4c0L7ile9zh0mJZYPt4mbr5wS.DILgdj4uit4u0VQcjk73O0tRyx0hVjOOTDdOlx_jm9qStO4HV5s1SNIYwmvTqnmIjpi8slun_T331h04ysUcGEuWZ5T41KdgrIqV96hitNCwaRLfVXG7nn_UfUhl06jF2M7WjlcSlQzRPWGmmcHgRVBCO25kPZsWUR1J3z.torFAfRyZ7CLjKgzilE3_at6qkmc2yTMmS8bRIs0oxYTU2grDzW6dvIxJE6mUReq8YBlCAcs08FrNZpOkhCLPgaQhZcpqbYyf1BJsqzLWKG5E18E9SSpJCwMPuxD8Zrmu6cYfpwZJTwryj3EpsZbj1cyQJqDljqDpdV1i8qx5c5uO.bUK1Tuj_iLmamUzN6WaV2EO6tcfRfNGTzNgUhd8ZglfH_Nlwbg75mw.cmSAOyjzBZjq0Y0bo9JkaWKwioYJz7sZc4jxAyxKBq8Bc.vvEpzX2xmZR4w5GMXBXplGZWlNpV5IUgsC4anXb_eR1mq15GQpZ5ghwywwhTrReYETwRiXXBbYiIW0JOb7vDqAFSqa52Ghb9_4aiGSn.gcUM2gC9pBEsPA6cDut8ZGi4YDFjfmDMGcoRnOVtQEPMGYaLmusSqZrjP2pVsA2bVc37orh7dAMhRW5S5K0.4AJn5pNxwRaa3MIIUjQOED3QGqe9O.fMPiBLsxcdk8LEq.1MVOiTbAFKJ8L5fdE.FwH1s97TqglgJ_mfmsj6hHjML65LNNBG.PxgsAAhQirZkcg77Yr0RUOamycTR_jZBz5_5vSGcBQqXLPynZbkefvVPkl4BSJ9vxUsXf60Qu0M_FSLTJCcQvm.gkz4XxNJTtpgp1lusozGx7XOQGAYtDW4Jqim7Z4BR_Eq5EW2MCjkJ00vLRQyr5goUdiVsbU.hXjoerjkA7uBckxVIXU4rMonPnP2QqIugECvmrYlXHqSd7RA1sHuu9wViuPqnuVyVIZGta3SyKfFQ7vKalYW4Dkwp.4RQuAi7dZeYpWaV9PJvOhNJX2TH8fwPEpv2tyACaVS0qmFEYeoPiyX1sMw9lnzoONsAALS2qRHmCmwoclp9cMh1ZAe92pKzS2OPVqkPJrmsTUZ37mKD1x1ggPk5MC9X5Wp43Uo4QrJQ12NXxd_hlFjbfR4GKq.xdur1yAujjSlr.oMMTpO.fnjT6ocWxAbboLBnttjMtSVdDNnzvbjYOfj_F.OAP0MhXxkE.Hv68CihlzbY.esFUXiAqnoZ1lCrjwWW3JyTpdAIYE0848G5lyBBnZMtWtBwVSWrmhhhiScKK6jmAk.dn3KjRxpt6ZLFD5Lika0NSKylJKFuzcYOj5INPRNZEsdCThlKoWXvydKxXWF4frZCiswaw7_lV7uHzxP8D3.PzOJnMVSaV8BJWFUW5vUc3CO1Zdx2Qs5wIKMBdt3wnzv1fj1OyaE5Zg3opg1P6txIIkYtOsn7onNmte.E7P0pNGg4vXuGwZWOluDUcBoxOxxxhmrZHSnSeza0mTWpAOE.XJANtjQscz3aVQ82YoSenMyCJSEF9e0XJ3Dsv7NIJFa7EcKGP37UCPUnYj42jcBWxr0ADFLW.Lez0l8FIyHJmJRLgk0JEVmWii7.EqW3U1ypH8dY1DZ9iCFU0yBNelKTRjuGCbjsuiQckW5pA_ttWEUqkFt",mdrd: "ie996.kIVLxFscjQhDaZEPkZUFgog7K6Cn7DFXEbZNA-1739090364-1.2.1.1-JQvnq7kVLNpHmdyJGwm7roujNGkPeBCZrFYGAxXCV1S_WCpIFPd2ZTZj5l301zrmDOrrzUWDjhNGK7.rNSFeDfa_DswNL51Oz6Vnd04xQnngNrZW1gVs40b0oNfFWSqGD5_7oyv7JCUEgKsAsNUmQFWI.a4JFLnPQ3v7gBgBINPpen3fFaWXCmzknCeZ8KtmBeWc73zjJV3lyRaEdmosNdr4NfYmVMSu8Kjj.Ps8W7Z9pUlZ8XJmsfmj4wthq6jinHpW5uY9LsD2OW6O3UsWoO8jMwVOpXHCfKotIn4TD_15lLdwQECxnQkXqMoc2fK_btEjxdRTNm.CLIAzBoZ9lGDPUQ_El10z6Ixe35SC37aV.IjINX2BBFiy1fEiigsR9ZnHVGb34u6Fu5Sn1UEXDnDXcbAlr8B35RQfDhBc5TZrFOTazHiuaSy8sbX2WoQk3HijEew.z.uVXRWPYsQmeo9W2YJkrKU0U7LlLAFvpZWPwN6tXysmul0gzBH48u7hWetBQHKBZLv0OF0VKY.ZkyHqBJBOcc8d_g_P76kU1H.YlnHZkOH9vxTd_NVsvRBgB96ZS0D46JCkUgKpyGtWHNVpHbGHn6JL8gmm.pfKpJ723lw8GEF.bYwBwnkaC1sEio4Rp2kAevK8ocE_FZwfDxUaXeuwDu2EbpZCaj0QIPhXv_zjH3.ZGQFIOKmpW93G14UrzR9.F73._ylkQbSZ2VzwWR6XCIsEgu5K8El36A77Vhop854S6j0.XncA0EpW5xStcmky77olSnLMd_jd32mVbXgHG.Cr7fpeYge1oCvU.XbKDImovCFzjTfqM75gjOx96SSaOvwCo3Rz_1aQde4Nwk5khpRxnF7LFi0ggQwyNfUq_jNAqK5rYO0csHZmpXS5Jj.9ttmzAydRaden6wHP0sMNPMeV3vN6mX0QhRU.a3W29WkDZx9q4a97ceDYMqLXfpvkHdTnmmYGMqWGiaII7EBxyPl2MZBpXzgwdZdqwoyihd9xusd32LXBjgxLNdA99zZIEcX5.6uLTfeI5KBNEC6TH8WrUmsQClft7e0KlUowboBW9mh3X_r9gOsxUq7m1Pqb2L9jdFF41GOyJ0Q0c72Ez_vXsIKijanMC48wcl9oERdjn0lNphkHP.5L2MqNSBm9pGO2sUpiow2J5XQ09_iHpb.3UMMMqjNVuLkzkvwGqZlDr9jaQfDN2dr0IWaeRyLtHKnT5dHyz9kRRVjQ07bT4QLZHljDtFKF_CRlDQe6ZamNgwH7duPtldjH0SCpjUGlvmdy_WmOkeMAPQ5JrzC49l11Dm50dDKvwLSI2LPPFDMIDpPjSRIMmU5lo7bEtXolX3k.WCJFgq499KJjc6RTamiDjA6XDc2ALDmA60hbYrDNgjvHUxA5Bg1v.y_JTrdsyCnUcVIFY9rgZb70MySS7DpEsAIegdLjWQmgTVzNM4i_Rb9nu1.V8hgAmKWiIE4d5sbeK4xsUY3w5T87QoZ9oWl7fgfw4AvaAwqBn8MjNdCAvQ5YfI5y8jvkTHnxDSJBkd1jFeEnpyFz.Uzes5COt8c6dq_KOaxpKg9xR8DeilX3nxuaX1f5hexUmt67Ccz84BUo4.nj9G7lCWpn9LHG4_1ILd_Ge4NgHHwRNFZxbUSWk8iRLfXV.wrPh1g_Ifmm2LrTZyJeL4xTIDUQgeknd1sO5iEXBuyaHISvuNEryFeB5qyVKMdrW9XNHTWzGEmz.3aXgdru8d.kp3THLe7QZIkhud8_xZR5Ld0bP9SoOntKmfnhBrBeXU2ZvHedjOavtcyyVRRXezJKpQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f28c7a5e253b8f';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\/9203754186?__cf_chl_rt_tk=WHEuD3HL1FM84_zHk0es0VJuT3EGU.fXEa7uOjznpI4-1739090364-1.0.1.1-ISzOBQHng_loQr5RdLO6s65oy87WbP0pPftBCLC1avI" + 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