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-1409762538.mit-edu.top",cType: 'managed',cRay: '910e15e29cb47154',cH: 'RJrFH0PgTdl5iqZ2TxkDWex.VWGQZrSvMi84KSuqujA-1739379108-1.2.1.1-tT90Ep5Tbjt0e_CmmpIJiQsahb_OfMhXRvUGrmHLJGM3Iq4duFno4e3u47kyqvPU',cUPMDTk: "\/post\/7159043628?__cf_chl_tk=OMNUg2WWUJg_iba8vrpcWvaPBIZeDzHxpb6kMJHTZ2E-1739379108-1.0.1.1-N40yQahx9iYkaWQeyVv6Iqt2A3O3tonBIaLnzaQS_c8",cFPWv: 'b',cITimeS: '1739379108',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7159043628?__cf_chl_f_tk=OMNUg2WWUJg_iba8vrpcWvaPBIZeDzHxpb6kMJHTZ2E-1739379108-1.0.1.1-N40yQahx9iYkaWQeyVv6Iqt2A3O3tonBIaLnzaQS_c8",md: "hCQdxQNa3_Algwfj53dgg.6d4oUKYXNzbRphkZe5leQ-1739379108-1.2.1.1-VBPaPfu.T3RDPClCoPAedIaJF5uP.KoIQf9gDH3TUoHDJ2MbjifpYH969QQcgSaL7K3eyrW0OLmvloTs3gURR3uNhdg0dkTszkD5GTmoTA2AOX7mu2Mxec8LkzRnZbgWGMSOJFGqwru4hr9oIk3XUYBQAZgiF2WuU5lhjgNZGvmv1Q3Jj8oPhjkT799Zv21JZThHwLZPJwdGVoqv8r7Cm1TkuNYRLVruTJ93KzJ0cQzTZ8sIGMChMbinFvUo6YymtxqJ20yfXLVSL.65Ij0zg.O7eM4jBURzntKytAByTHEKZBrdjk794BM5Ee_Ier.iQ8GcdEsFZ8TgGL.9keQmZevs0IvoZekGCyVI8oMHcIaNeK3VvO9A6B6I1t704dBhninwy4FvSXjouQ12HVJxIk6xIxVGeOi.A.dY17Ct9YP62gsHAwnwsrZtbn9P2kd2hFmdaFC9JB3oXTLp9CWhi9g164ctM3xUP.pDKKmLwI1hqkNbkU6tIR5bBJAblrTVb1UgRKP7axw7WglkrfLwZrnOFdBW0aX0SALwrcHjcyaaKrHoy01O0r9xADluZV9r5B8WBxYkFnMTibbvpJsX28sOHopqcqP7245a7u1BEwKv3TMBoXomOHzxS_SDrzm8velwtXB82OcoQ7pp_fXhEVxX8bzjCDeyxOThzlK6HODytZX7610VcD64O4cEX1O712.1YtgPlx7LVm1JuPb461fIVFJS7hhVEWN9o.8tGwIK1kUxx98_mbcDxQfncELIEvv3zXw5npK9Zce5v0AFtn_CHWAytzomKbCyFl11_1Xh.119s6VicdsnbzH5cwcEVQAs4HsDhHGeZIfzjfF2d1lzN7dIY1f8v_LIE29TMNqeAAuOGHCquI7UIep1JYRnrqQ45gytNGPH0eM9v0d5zADSytGh1RTZE9rskL1cygSeJiuYYunTaR__83ZZ.CbYfh.26Q9AjEDV5WnY22JCwl2Pw9xRAq.WkRLDopAtcqaoVg4E1icQgJ_9FAWqPghiaDt.JSU7rgESQgOrtkcTOOQDX8GUtf5qy5S6t_VuS98PjHKSsLkesdtO2ruvb.FcC4RMgDwrTq_Pqtq7_QrybKovM8Lsl64jR1hVr94AiuqatNhwvdZluzO_I_D7lADC.m9zqqfmO5D_1n4c22CjBb7nBHU5OhMn7808qfdcY2Z6gq7t7FsROctPUfTr0_cA6NvwQoYbE_cMVvgKXDXtzEm9nNJWisMTz1mCDyytwL9ry1EDyu3bQcE9CZK6.lUGk87TH7RcSWHBefvXwBryaWhU8eBeLUyJEG8QZ5o4GlMpqjjINRcjR1LIiHqAciWdNi1VulJmOFX9BIwmNXSBhi08eUHVoe4ttAJyLKCVnMRLr9ER9vXVwll55XfC96lTAEoW2FJ6A0ElcqiaT_H_yIhtkBx9oOu0pJ5ng2aURRolq6mGKqiTFIJiMo6pSJeDhMGbjTlBFudCrx0rckdpYZPfNr0yTZNUkyvptkKEKGPuTSrnGOtFOpi1qo5btmxZPudwoWohsgus1nm_xyJhKoqwgUK1wAbEUZNtn_B1N557YrAEH9X5KSLVGAQcMt8wVUV4lh2yPX_cABOwj6y4KgRleAf9cBhV5E3sWAKvw2uDV9LY4nf3ezEWdlLshnVz0j62CnlaB3X4cF9ilJ7_7jP5ZeLPaBnYF.bMrbMORSwoSKum8WiSsPnOsGyAVpHipEcX9S9WlXT2sbQaz9U88k052qaYqi5BpLlXmNBDidUIGw5Fu.XIhYeJ.mb7qYftVXHkt5M.6bIUVl1Q4s8B2zZeQj8OVnUYLfq4ksqkV0nBk.2hya_0mSOym7UaLcbxvwlsiurzj9RzRZgiYqg3UMoMUXA15Hjo65nPqLksVCps5B1vpMBBruMeUcIS9sFPLxZNRB1Xo4.6hpAmbUi3EHqDYoIi_H3Z0UHyN30bOwbXTAluyOXOBsVaM3xcCQMPg1uxwxTV7FxjD.tqRcUW__rhOOpYlcx8IrIh9hWnRmcKjAXaeb8Nwf0d1pqztR7eOpuQRBbW7kQ2.eT199lnEcB3Pzb55lMvZizUtLed64tOSQivkiTN5R2.QiE5OwZtZuPtlmz6OE6qAEk_LaXch6heznHD6JXnDOdVhXnYRuus0C5XvphCGLXa1QeBlgPzdC17TNtPuZmol_6PkORwCzTWOG9TbS8ERh2u9Uu8XRgbvuJ4Nt1.iLrZUgIxNB.2",mdrd: "fED1ScINhuPIPG33gKcMlzsVcHm1I2qgTqg_02v8spw-1739379108-1.2.1.1-du8OyRGlJcMdzsfVQ9wKx2d_0cQ42WofOC5Wf12dLjUkzy5eQX.i.02rmCn3c1w7zm4h8i3wjGoZxyZ9bu0r1smJTiC7I07rRob0OkB0GczNVAHJie8YsByX2zpUU0QPaEVLvzcw9SNopHMtzCCZocWF1bCrQzW9PzWZ.5auB2OgAdPo9vIMN_jXPT4lrMqBIfHnhz7P2otIfNh37xxUTVSNyDuoGA6Ya2.DX2N_WYCXIoTE23eD.lpvXpP93YhUjtRGiyP6LfWF4bzBoiHHZzmAX.yf8aXJ.LVFvjpSALhoXAs.lg92ICXu10bTI3iAcUqzvo84uzlYa7oBCN4NQfLBct24tSriJ3WGcX8BsJ3wdHLqkXdrw0hb_DUwhkyUatYQ6oQIMbhVPbWMjGot5JUiOgc16U9Wy..8zE8kum14FeYPwi7amTaXMZKgMWfI3HkbY1Jwy3QbL0RjpRX1CCdzEOCkGjfOmotpjLcEAvCQeM.dPujdv0JoDxOIAV4pC5A5G0TqmfGlv_YiZPWJ6zrHKEjx61gqPGC8cyypVyPvCDPLiqwftIlSxY2jsXJFtiiIpw3KhsHIk0hTmYeV9ymherGDl5k5ZZkCYwZikwrwqwwqci_n.oscKgv4WsPwAIJFS5zZfWE90fC51UhxMYR1GV3SH6cm4sxFOK3ODy8WQTOgdYj5r1U6GVXQ5W8aiRx9Cm6GTmkpauRCwVROREtLjQPSo0AzIQkjq9A7ZswDROqvInbvCAHGCV.kZw6KfxqssoOTQ7MecsC874Johxj6bIB3ndCRzsVthsUBMn6BE.lwWp.9SlOoz9nQ0IlujWO1q0v7ovUN6p7mxG0pZdh4Q8RcUF_kCt9Xq.C16b17tKCISMNrFRJHHbGC8PYWB_0o6r5wSG6YlfjKPFWhbK.peDZKyyZfGu4Vsjeiwp4Q9Fw1.HQXt3CR.PjxfvNyZ1dFuYNsPU5qGCrmj2zWMlmPSfkl6IC0QA74HHb2.q.jaFQCka1m9QqxkoXFFj4huX.znX_hVxGulnpQVm6.jAVnm_dHvK_Zui6TTwam8SBf8DBy4CfR9EDFAkzzxr62oS.eQEAWx3rCZfHZQ.qLed4rYXGcD7Q2sQRIkNzKP3TU8SBSMeR3d46M1Wrd5axU14PJPMtQjjdbUNxYcVAYST1CsimlO_Z2hcg_WokT90HjLdWb2R3JD2aJUFc72IkNhJnWnYonSmeE7PieNqi4VPxCz3P71jGrqhgdyaq.a_wVOzyuDY55cmAzVRMXX2iyVgsVEM4sMi44FkDU9cP9zFYf8kjntzb.1CahqoIVjalzLW9p1Tvb9teXzWF_QYmcZcQ1910L4hW4Q2WAuxSCwGRyc8.DgZfL0kBWBfTC8KLFYTj5RCnsUwumtqumxO.aKCmjjFBksAWo9GwdRxZ4utSjGBLeH3l42NjO8poCUFt4ktn2dI0ePTOuv.eDGcPWsIu0ieg5ATnUOy4upuvopsag7fJfCY_N.W9PAnoweRZ5mQ6bPxECMTuslkoq9qmgKO6PV8PD_janquki_PeMyxuqMGCULe3WLgGML03JotUCSm3fZ2Pj6lgpeIX142bAxALEASOTYdOaGbVi4fJVoQnU9av8h9TciK3Br4L9s4yK0cCxIsSj53fOxHcT7Slw2yGF1lSMmpO1A7IsN3x.ce7UBvw.KogftYJihDBdlwHHofTbtPVPNK4OjnDON6rIgvq2ZNxB3QgzByikCLyrfNL1cYlfc29mIm6jbuMl9MsM3M10_o0WWQogoG0IxYgxDUWDqC_PJn_KVy80.wzd.JRQsIb2DbHbNomW_I_Otcg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910e15e29cb47154';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\/7159043628?__cf_chl_rt_tk=OMNUg2WWUJg_iba8vrpcWvaPBIZeDzHxpb6kMJHTZ2E-1739379108-1.0.1.1-N40yQahx9iYkaWQeyVv6Iqt2A3O3tonBIaLnzaQS_c8" + 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