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-717468066967.mit-edu.top",cType: 'managed',cRay: '90fba2ec8fe1c5a3',cH: 'jMAS05hpyS3HZEYHcI5t26aDxpK_g4phO39go3Q0Acg-1739185655-1.2.1.1-gosriDl.wp7fZbc9IErMPmXM5ouAxQl8aBcTRz3.JEt81dyVFynsXPZGFmB7F5KM',cUPMDTk: "\/post\/9456712038?__cf_chl_tk=fA3blkg9WURG6vDo4t9UoQzh_bycepGhkUKoWVkR2BI-1739185655-1.0.1.1-wQYx2guprLNKLRaT1cduxnXKjwNSotEnGB43e_wuiO8",cFPWv: 'g',cITimeS: '1739185655',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9456712038?__cf_chl_f_tk=fA3blkg9WURG6vDo4t9UoQzh_bycepGhkUKoWVkR2BI-1739185655-1.0.1.1-wQYx2guprLNKLRaT1cduxnXKjwNSotEnGB43e_wuiO8",md: "kgUgiaOwITZGAknolU4pY6srJnO7glTQ_SU1B3.g1DU-1739185655-1.2.1.1-3w4xAAQaOl24wR76s1q9k.VUdzzfSkPhcgpsRVhvDL3baOauO00rcHZrQbfAjDUI2EUojuR2KzyVx6hgdczckTi184xsVyic9X776M3US5.SuWYTSBNBQ4ZAb5Ct6YEj_iYL1mCco_jW7X.nEcSOux6oxFIfMA23hjPwCBHNtN8k6qneQ.GQIJAb4x9sQ9R7XbclkSgaOlByrCCfRzsUAovrL7xUMRF2Vase7pbra.7t5uu7YA_DPgvVwY0ZRnBfvkPXoZvAqz4P7roGX5KNyTHb0vK78kJDe.Oembdv2BkMRgrdXVsnFS3aWma.supTRxPN.IJa0OlZ4K6A4sTztgUjQA94jzPvetA8JpGQX1Vqh2LGpt1Y.RRKctYW_bvHcRjIW.DWC1yTfvmmaNbgSPp0XuugPF2PzvNSR364eq5dWET41fuOohQ_B85WPuNa5ycN_1EnnqG6.XiPyAnhBMvuacDBTTDXI1q37xBo2yEKvy_EFhbqMn8t7tJ_HwW5Bwjyi3NIqE7I6BvYab7fXk5inu.ivfr7cwXPweoIgWxPH_BoQ_sWVtVLnxRSeSjJq5x0BeVXHxsSmch3mw3hhOFsChItDBCijRl2bx7UJgNFuhWU2msqpNR4j3ZltM2gmpXri.2P4QeQsbAhcfralaxrciN.WlF0kJUk7kE_RQjpjO.ldqGEuZZmJwb.06rJyKQk8UGgW9IXomMGprZZrltNNIOULdBHgnMUzQpW33XyT0nied6hMYMUQZfkQiOr.uD6ulg.daKS6mpye_B1ScJKLXb4DMcMghUjcni2mcnDapEB3UEWmtwTr7qkHfcW3hS2r1VeyhgxVqkCYUjjraZqJAg9u23ePko2VKI_tzvVZ1Yx3zmhZy3G0orKFVfztnXbOsrpvlyHkFTRllDOT1EZI5aNZitfm5DfhoDvT2_IGR6eMyeNjEGXlvfsGqlBpxoToiI5FMZ7EAmfiZyrpCXH2N1YRrp6aSQo_GeDXMs9xB1HcHbnjRj6SxAtOrsCD.kt_8qKv_OnTLO579g.QBD_i4dNhPCzo3l7bYJi0sDmMuAb1IGxObgkeoR0Pd7KtfvY1ukyjMviHXO.KGWkGqtpPV_OCoX_lMe.68bXyJ.bufJVXerOPRX4vYH8nzLxQLWFL0wUhTqTbgfW3UhQgEQkox_M7MF5CT4vUEe4ylY3KX9zYc5fuv20LtBR13eeGj92IqpS8.pERj3RWDtZ2JaxLrDxuMWnAfxUxBfUYrBrAG0Hq2_mY4jg82zjhBthz5x6b3xGtPPXxS0WM4noOEMOo_2dtAJ6DPl6XFJ4fVDhNl0CVm39lLsv0dsKcs4eWv0f0xj8.ahTeIZyOZQDzYqKEr4Bj2KfkwUXvego3iv.3wcA8QiudbI8XX4HgnTAA2Qjz9DNIXrchrMLwkZMXachiGHOBQH49Kv1qZVpCNwZLxy9sCm6SEJUT96CrwRif621pTeHNdkc_QgO_TLLYdCq6RSXqdTkqLzC31xUdlYjoDLKSVXBIepC0D7Bq.3htto3uf9LflKDbzthIvZYZjNQwjjmPZ2sj7Y5eIsz0blxwBGZ6h89woWo9dYpNITRfbH6xmTc8eNGpT6EkjvqLQilrmhqIgm9ayS2rWLuTt7PJcriQaq1UG_XGc.NirU71VHnCBl4TLDHMr_gyB7bRm4OUdshlPHPTo34wtQWK1YyTQ7uf4cVegmHU0zP_QpMzAImc_pr4HYEY9PHi8NCCIeWUQE2potxJKzAd0z06_zFlp9_auFkU3Qtq8VWxgJpygonJFx88C.V7ukecqgPMXucuuSstEN2bFCYML_HAcUjBGqQXzmVNMoJ7yt2rBO7TYD.a3HQ_7WesxI5kCfPo7pn95a.wmDiFne0j2emOX134usaiGm4vrrCgTojmzZRnnlARrEUnU8YbkmI5LGO_6dnBAlMUGZ2b2LxmhTzvFNj0G5VzCAfwEAJoYyxY3XegCwysWX8VnFc0MP5ON7GnWKuAEqcImtqMhEZEHD8X0y8bGqHtSMj_SKV2QeJ37X_djRG7aK33ybTI8ZeDVQgBOpqvtplJ0DHMBuTMgMOocNvBbaVxmY4muX7JwpWtcp5w_1dwc9J7pgWH5OrS5znsUY_xgLwPAlBYyUL3Qj7x7BMT8mTt7oO8YoMJBvtJVSyXrCMkqDzaNtIPGNF.IK6upMu7BwuaXRTSzQfyvH1b7tjJ_k6qCUOCUU0laU0LHJc",mdrd: "xuz7sOSzOE1VDgJxFvLmcbw5ReXqcK5if_2E3pbSb8Q-1739185655-1.2.1.1-GrBXuhe2QRTSeube0Rydm1KCO_TXToLAGe3fktT2fSY3Q0euTJUXRXnhIiHydijRt8Xn_ev1lTChIhp1xvqrY7osqpBrwQCjG_xdKqjSwa2ieQVffZhd_h1XK5w56y3PrWolqVhtTg6PaR.9BLN812KwEGczZw.9xiXBRwJNDmiVmMJtkw1fUVn3ZThv.75xk0UjgnzfJocXfwT8kN9axJ8cDbRS.9OM4SRXmudRpHOFCJlEnbs14aOqzcvmd6df6S9.nNgaKHFgLIHsZFFeINSdgJpEv09btrn_JSJzxqgHNleu0.a55FzJSpYZlIeJix2vjPZCUa_2MDQUaAZKa3QdsqveW5luLk_s40pknhJ8j2QvUtv67Q3Qkj7iCpM5nwZq1VhmdS65p9XHB4wOPz8DB79esfwaTlnWrXbq8DMH.6w_h2mQfcBvpAFPtgJLY6dsZTLqui9FCzod9JJkk2vfs9VpKX7fpCH3DmL5htmVqLlg5EfFxQDJnJ22kXUoKIlwDakud5IKJ5Ppy8s7ZqdTs3covixcmIKgtykO4TEgNNrjWUjOoUhaIt_jztKPMeT3FusT8nJN7dMkt8_OAX39SneLlp_OdxTYSZqxcBqSBPwv5yDfDOujWYgbI7SIlgMUSEfvDR23iaXtoWKdHA6HQRClGVAQb.SyHkELaoqD_TGrs3n8HSTyr5Njh81LX2iQe0_sU6smXRaWbwSnOzOrs4FAFCSbVCoiBMjzFV8QFgC05K.xp_vWWbVTQLqj2UspCwXPw3ya1qCRL6hMQXhAWRPIEYB2PjKntnua3y_0yRrKFueiwreP9SC_pow3zN4P5zk4_cR9JfkRXGiUb1BtRW9oZpe_OHd590Jug51jJI.eNZ0iW4MhOsoAq2Eh_73.Q3qHyoh2GLRp_NSVCcEvmXzjeAjXJcU_UfWCR934fCqzXU8DwaCU_GTcKUQPBp0SCPbP3EXmRW68Um3ulue1tjuPPxRZQKfKo4DDRibWdoizJmKXKOZmgBQQZencAIuWOFAe8sjVucANMdZD0BUnxJUCxkzyJYVdCdWBVBv7wIWUaC7TpPSANgeSsBTKpjuae8QuCW7CFe.cZVHmp7ygHRQldTmZALyx7DbOzbrEi..86ujy8rP63ibfdoEZQQZtnDWUcKqZiec1lSMWS0l5FJ9ZzEUHQlb2SSXVbaIw3SJYOfyKXkjQfU1ChspMjZNe9l1f8txDfmLJJWnFF.hYprGMg.VbaUn.NGiZ0itNx73WI3KPylgyhcEsSw7OYR5bKWNjrYk2MunYu2jI6j6EtVZFHjG8zJNLqND30gqmO3YkT2gqqiQYcZC5KB8RDDxjeMvUUkvMFdk89Zy4aE8JGPyU8HkIuqwpCKJL0oJAFiyObH_CPEte2FJK1emRtxoNEYzN15n0McQuxSpIxU8hAaNKQv9pTwOOaYURAjn2Yl4kwtI.5TXjUnm8R9I9KbmMY6C9_G700rItbSvhQ_sb1b7iPTOglavzXGBf6skuaC5fiuERnZ9d8.950GpcH8eqUKs.zwg.CIfiCa8z75WLejIqlnHt0INa2d75slhMnfSL4pyW6X82QXUvvpgQnWfWgv84Wd_ymhLbSXTQnEz1LOyyMplaP7e9uUiIPCHrj.PVhUilDCRe2.cZiwtBtTjq16H1UpsoBmo27tkLeBq817xF2EMiZlH8WaQE04jpgrr_274jiFqbs6kjd68eYGekgJPRSAPTkWgs2mwEh3ikkhXITPZwrrR0OFJNzdSsAoYaz.RfIsbjk9XBIJuE3q0GckpAJAASQNPMThu6cw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fba2ec8fe1c5a3';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\/9456712038?__cf_chl_rt_tk=fA3blkg9WURG6vDo4t9UoQzh_bycepGhkUKoWVkR2BI-1739185655-1.0.1.1-wQYx2guprLNKLRaT1cduxnXKjwNSotEnGB43e_wuiO8" + 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