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-396239464016.mit-edu.top",cType: 'managed',cRay: '90f28c2b7a8fd6c4',cH: 'OlrAtH4ccCfSIr08KmTqVUllpfFJP7zhzFkQ1.173Qw-1739090351-1.2.1.1-00c.Xiw5s0EOWQungXT.hAn1.NH0JiHneq5eTl2D_0ipQPxmCYt_HZ63WeFDizzo',cUPMDTk: "\/post\/5196403827?__cf_chl_tk=i6pQkZN4.2_A3fxXuUSRHl4l97qcB89fzjOWNX9.nBc-1739090351-1.0.1.1-1TJQnaQ3QnwoiNq6Gx2.qkAgx8U0HPzTFuwV5zp3RmM",cFPWv: 'g',cITimeS: '1739090351',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5196403827?__cf_chl_f_tk=i6pQkZN4.2_A3fxXuUSRHl4l97qcB89fzjOWNX9.nBc-1739090351-1.0.1.1-1TJQnaQ3QnwoiNq6Gx2.qkAgx8U0HPzTFuwV5zp3RmM",md: "YffkY6BrcYO7RDHSXMnPrehK5qIiKZ1qaGyDwK9qD4w-1739090351-1.2.1.1-X57qP85KXCHN9VACiKf8eMIqxG63Zp6HjtBZzQqO9IayVyuM0eEyuB0M_RFRn_E6z0DXi4AWrNtN2rcW8L8DuNhJ_j6ObuMvEOjQdPGZuIk7.4hSCX5864Kp5lUX5CLceB13oMmHxAg6GyXwlM9BeDEBbDIVypmdWqdICIXFpPofJ4HZCBLTlMN3XjIQo5uiAlENWLEsxP1uWvO_jtmDptxHAbBumN_QHN4WOVFdXLRDucSnM0doQE5MGjpcaBdDLEcxlv2wFMuOpGNqs9V7eGX9TuYxUpzsF3raLF8Sh9CvaTO41IP0tB3Fq2mSKKceC_4fnxaS_QfICWHhfITY8lrRoliebjy1wfZHXt3EBT4QXDSTadLtwaKha4gRaols3w3OnNDiTDg7P24ByxbO_OzsF5wxoxBvhiJnCVsSd7BPJePTOIA39nOP2yGvaOGsNa7pAlZU6_n0fd4mmvPQaVgqVG9SOfCvsc2vbBcoHVPjKOhy8h.BcFnNO.HRAsA.fNKu1X9T4b1s9w.Du8lS6wkh5mKj_awpvjz8z0SiapmOtiXiwvdIzZwBAXQtVcHUbWNnRENBzK6MZnd1eM__IowKnTfvlbmW7JdImYFgxBA6q8LIw2.4p1Io8noh3Xb3FpDn0o1RF_NlCv7sOyuszYMtyPz7sXtdhvwGJkIeVX45c1Uo9S5Qd8_wDmQO9lm5bWuc5D0rRf2N44cDuvktzdaEYN11NR_4JZ1NCZ7SagnFxKurxRFqMVZXSVLzDcOrzoIDcgyCsP.DCQBfLFR12yjvJeFQ5jLmqLonycFd1GiNrNyP0znaForlxoCsKAyqQUP6vbODz3qX0stP.rgg0_nxJQJXZiy6zw9b111OivtrmwBRZ3LedBdSJIKOlovt1dp5WLPCO_QFSJMh2d_1VR8rPKA.3kP2rsa7tskA.nGP8q5zt6gEbHeVATQPI4j2S7PYfmu5eesXr63ht6fC4.yI.2yj0WsjOVCNJonk77adEVA2DmGySObuVSdQkHzC83isGtUui.msXC42jlFPVrmoA.a3N_syxJviquMFDQOVJ2FDY5xiHxEj7EoKV74DZDm9aBkPKfDUY1.C.jJoZ_NHEv97YOgQaqNLw12BmH9DUR3J_0i1hEB3BvQ6ve0.jbTFjC4XHB.f5rpVtXsCXD_18hyCFIeNuEqzw2pZzsItp3PP5_h8QjdcjOauKBawp3gaFEU18lN9.9Co9jKrRjNmfCcfd758l8hoijsNMV.FdP_6scPD32lZerINMCfdDdVhgaIZlxK_rLePV8cU8ElffITT_z1v531SDMANU5VsQmbXyaZSVL1VKWLRs6zs36LcCOgrMKcgVahMYzaRlmdV3YOyAbKnmRwJfwJHGtIGuu62nY92zDMS..fVcMKNoL1jxYsYEyaebVA0fx2Ucp687JsII0gPwTLp6JTNRc4maIxueKp.Mp2Mn6AMv4PAuSsarpNGQfl3wm1B_ip6e.FJU1Shymc3tFa2fzKKhOurPCby.AQb9l8cis7imJL4dIIMGLefBOGj7PTB8epr.BENLvxqHQzoGv8rmS5pEPDnL7xG1v1Xddy4Alh2ViisMDd09F.3IsnwcVQnzflWDkG1SHLYXKMy473uTHZNSfqfZe4P9I1BBAhUlvA3z1fxI3uehTBb93pLSgAc3gCiJtbw4J9fCXfY6kGozwRuhgLJvnJLcVnMUetUfTzDp5VKGe67qcZwRsgIamrEZS0ZUKbUV_sm99QP1QHmdsLreJaCO0SSgcShwM1YsXZZa0TPitwqZl6qUvTdvcWoZ6C4Hoig9HJgKtFfLG0tGRMKOHBQ3BsExNMGehrft_uGXAg6dYactNlSwc9ZGpCgTr6bBsezeKH0a.j5.amEfswEoNVtfJx2gr.QByfbo4p1vW4xGDf9Oe.tSMeTsZ1uYV5JbogCRLRFa81Oq0gwyV48gWcA31flYiqYBmzD6.h_M43G6a5HJyONaH_n5K4MSeVqorXQdtp8VmuHnx5KeQlf_m7ysxBsOCxKFD5MHthH9GLSCgomW7OrU6oQQP8BRhJrpb.9RD8hUeMsJiSUIgxmeR.TGZ1s4dDHVu.n2dJ_7kOb0fkxBiRNDsXYqJXf41G7embDkdpuXD2rJnEBOAYA6h1EU5rf45Jc1J1Ajto9DviqH27VE9TMMuTiBMRJ5_dJtbrY5L3AnwUojoNeoLuScLnhSevB2WPSKz_uQnLfKjke",mdrd: "Gz0NY1fcDl940hKY2FWAg5dbx_e09.TZghdvpJnQrpQ-1739090351-1.2.1.1-r2BbaM7fsZhC8v1kupKuf2z8X6yOLTyOLa0.hJ5WSYckBIGBIfLI.7CIEwZBZOwdY06b4f8g0eSn8LVJVB8EDzZVhvVfDGfNMHclv1CPHDCH5aAsdqLIfIOvGkNXRjtJzF3PklEvGQYfTujQnjTMHKKpttUCqpnuDLyuq.4z_Z5hOCYRSqXSTPq6ySBn19CBDFc0r6FV5eC94CCy1QIUYNq6glGBhE1D55FnVe8XY4OAFEuoUP5aSbjQcRVkxE5_aInwWFdy5J0cuqjNEZE2NvUfRaLVPCt_hyL47RzSCoWTZKmkTg9WwI.aYuOXIORqkBJlH_2A3Gh4ohx5U6tJUXYmyDvxlTlD.EEwATz1Lc5wTTFvQgV9etpvSoGBUhq7Ohqf8J9Yl.o3B3mWuVZrcUtF42hBy9GbuhCEstbNMPK3qZired._80cUqDi_2ycqLAF1KFHgnKCGG5nQcAfI4DpBJreU07BeP.uogdOuMeMBroCj6msKHQXkJQ2FKC9K5n8bqrBffHUhY7rZPVX3QoDNu.vgHR3L6ss6HLWAnpzSA9XlOPVNBgaZ5W37FbJXf17NPSeLISo6Mj3JKq_pdzvGZYlJiFODSJa8LuJ6FTzmukzVxZzFFz0q.YepSBr6a_wTzLiNvvPVy3NCiSYi2s1IcbVFAelTmO0zPwZIznJfIgPrE2e9b_1e.Ga0kJdm6bSjhYKVHEqwZVZDUyK_ZYBJ4lF50WdJjAOMg3ko3V9Q2r8J05Ink.82.YxE07Z9JJiOrejCAbSdKM5URvgoeoMAPknpeL7slZz_kJ6FEW7N9I4zWbXhlgUacwjttKg_PEuwRnpYjECkt67IrDM7Skybk3nWbCcwLkgaEM9QRliaz7m6rlwnNRfsm_bePCt7Zv3UMd7PchzGO0fgOp5OfTRUkJT0Nyh1rwGogfqxWKJrAJGE6kI7aRokCK9_cgd1wQ8zwBqIdyoFSURrgwfmMw3G2fG7nN4oHfH4mStrIyPhzuPwjkVoT95nYM8A47bcO6SL3NfuaFAKYkzF2YkRJzCpclEfk8JeJZ2ICcOjtbkkzL2rnuxvFHfC1_zlWGNkwJI6T.yjEefBMqiXG41We3Xj10WW5IpODihm0bD6EjC7fdJvjmEGK8bV8GrTDNWC7LiRQR7y7AF7qHGdMZYl5sW5d7rORaVbxcQ3MmGLU82moTGK3bLzPdUZ3Jhv1WjvdqGlpRoyF8.nRuo2GHtDaM2fCbaMY7M5PaMjIF0xRtnLxdxQl5kQrcADEY6EgnXPqfpcYc8q1ehdNiygFBkqrOHtDW25_NrcJf3eyAuUOvz4n08D_iaYMYKrBCxUYzwyLouYC.c89iXfpUYeliKevo1IxS79dInz90vfKG.8KOJT1ueoEF.mWGxadeyIwgBoLsZ95knsuXrfXpKwAQl8U1C.L9iJZRRvhWtm4nAhprNdBWBTl4zqUxsiM4QhIdwF1FMsBbtNurxLYI28c4mXF8fQ.KRY36ZvoIyKjf0LKGI1Ng0ZGauB_Z4amtOivoVtlMZQ8GeTQpHPYz4dN31lLKpU5C6FVlE127VKDVZ88kElvfZDhWnJNw1fj6DdPnbXb9YC.kDbIweRNh8GpcNa.n5S7I1mteL_CL5pNMysCUfqTE3nkC0GMnXwe7cFclDXVt349U3KEz3AgI1YLnTz94R72vjf9sNdOOkCcimaxPM1kJXjoeL3b3Qd54etnRBw7D9dWvbMiAWEW0M8ua5CfJe5UJf1bWm0UU4uqY.STcdQ6nbRl03p0o_ciVzMQqV3nGAeLlm9YYq81kUkBMxql2E7IWwM3LOU.Ja3TmWYJSg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f28c2b7a8fd6c4';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\/5196403827?__cf_chl_rt_tk=i6pQkZN4.2_A3fxXuUSRHl4l97qcB89fzjOWNX9.nBc-1739090351-1.0.1.1-1TJQnaQ3QnwoiNq6Gx2.qkAgx8U0HPzTFuwV5zp3RmM" + 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