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-359902516612.mit-edu.top",cType: 'managed',cRay: '91100707c88ad6f3',cH: '6Xq_bj5piStkNmePttFmxkfI9RADSaPDhZCC5pXKu5M-1739399471-1.2.1.1-kNf.z8ANA7psukiMzIZLPulMdy8f1foRoL21xZvAnbf_66eBoyH1aX7qBCYt1hP4',cUPMDTk: "\/post\/9601783425?__cf_chl_tk=8SpB7gMtwQRN9W_A78YwIeoIilo1Ze8w2TSDSWScLQ4-1739399471-1.0.1.1-mxemZIcp3QJiYe93._NsZC9UyK2yE4mnX1THa2IyleE",cFPWv: 'b',cITimeS: '1739399471',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9601783425?__cf_chl_f_tk=8SpB7gMtwQRN9W_A78YwIeoIilo1Ze8w2TSDSWScLQ4-1739399471-1.0.1.1-mxemZIcp3QJiYe93._NsZC9UyK2yE4mnX1THa2IyleE",md: "BYEfZRNjkzXxYy_f_ahbxYF8v_kwxLv6YsmCkP948os-1739399471-1.2.1.1-rfAUEFipfFliW2GhFpoLtKwPN0qAD2.7yYkw6wFH1CGsTXtnq1kagYJxYoFy4RehG7tM83q5kpAkRLgStJTzJWP.GgSWH2Yios8lcqdWZ9XY6QmG7yOfQZlJA7iGdM_pHufZkUzWLzFsycADQYpPrEjspLInNNze.wwmwvf_22uEkT6r82uVVtulGavuhq10OnX5QwhshpE3xl_TPVOCo4zTHVtfGKCWWmCuJymiWHmZSc5pkpwFbCzQQCZWDuNHUX475NAlPMSg4aszCgEX6wJO7ST8A6oVXTXiDW0SXvVTsm5vongkxGrA.VNKWTELKvZrC1sP1ej75qG..QVFsrpz5AzDmX9OFePetbwY7wMWeSXStQXGZIFaTPw_XDoquYreMynlcij8kU.72il9OJoANwE6bt1gte.Sg45z_xNLswI9zGVblN8H.zj1DJVoIm_JuRqW4plVsS1hfOjW56ChAr46wmtqVneu6HlImRIHJmIgq0JadVf15cH21ucJK60ZlKIsI.1WsYl1tgFCymM8FNwF2uVm11pA7K5EU3LiUxcf2Rn45S3HPhfsSD13W1672idVxn1dAnZ5q9kO9dZeK27FANkbbx1VRUljocSQdpbtneIXRkZnb_9HQTCE3d0_WAdJxcYPZteqTN7bwk6EVpabzq89LiU5JA4VK5HJjutM3qnISpQ4pgaKA8WKTovKy541lF9JM6n9YBoBwwzGqsfOaBT.SrMi5x1SkrubIuzpWATzmi.qQiD2YHWDjJ0W8oExW_t9WKqjV0FVBY3sbKsWtIO7sLF1gCrSCODqT2.uWOYz9_u7HzXfgDid3wR3sRL9PQHeyfsqtj_6z5Ld1AvnXAWXwXI7EqfxXGEuq9g_i9z.N7LBVdyZyKFGsSmpzyhOedrnTqq1wJ8hqI5fwdys83ZV1nzy7vjsiOAUXsJiPrWJwnaLugmYSOfM1IbMzROp63IBee1ZHHHabb3fjYfbxwcGS.oNWR92kPSqcUiV7HpdxC4HbdBZghvPbWZY2juX0hzZFMQcLyQbiT3ADCacuAkV4mejXZEHe06bEXfvhdGpjgwvJ0EwpaH.3764yS7qtrkZKLDEKNXnDH0Y87fR8SQAmeXeIDQ_7DkW4MGOQxxfVRFQcGKM3mhAB8SrILrvype80YHFwByguCCqkaz5zneOYCYcKyGy1hs0jrdm2Ja2INcsyZKjLrvYefRQXkFEJ9T1a3J684tKX2NVxYWYcn_yw_Twfb5XZ85LrSd6e4cJs2RMK4IfcaQL4CbyX3dvCU4DeUPlTkvpekZqHM.IZClIF8UonF.sUujEgAEGPf_o64iH7zqm_bQYg7mhaVbyJxet472PpfykYvzWbdjl6CvWoJrKLe2TOtyuDOVUlgaLCeUg5TNXcxl0AUav6LgU7qRnlQr_kAQUaJTFFCSH7G_Gqr69FeAMROoVlwUJG_tYtwe6mKbVcfr6XYb7aJzFkeKkPjbIRzgeucKTnWid9RwDt4bBzPgabe1j6wkH5xEoiriYPP2I.2Ks7GtiOZ59XO_u8_9MbV.Dz1aHGsbakBVwLH5sSPIDClXbHcPpdhQ3O4lOSBx7r98LoTZyxorXq2hcLcYc2UZz4fs89alDyE3CW1EH0BsX2pirWYgkabdwycwksaPjnfi31eKIuxXShL3YjXj0sR5Gx1RldOBGuczzuYXg4BFNZysADKtxy5i_pmDDqLvyLhHfDWOP7v0KG8oTgeSQUELelEfwG07juVFb.y9vtVsCF8yW7oriZEPxw6Eeixys_SnawyZvemEwlwz.w_JhEiTiwUfRDE.23rUvZkxNQvPKpjFdm62TiGU754fE3oPAwxL4c0OcTnYhSR6FagbyJhRIdq51l2TK7PWjxXh3BjM.cr.BvrDAhc0q2l2id4TuTyk0glkDiVBkrdQazlAMvQpOdgwW3I0ytkO5.itLeVbtA4bKeVMArICGKp6e.LRopoJ.3QUO4hTAjP3Lne4fpb9EGghf9SznEUJzydEYT84AdwfOfhYbwR5PChLKJaqO9Hxc.tbYBa4.9FVb0P7WgiZSRyTTBw9ZiIAxn_NQbblA02fWg7qcPew00l8pyY7mNkUlh6qGe7608iInXD1WGEdxGKCDfYmZ6OQCIB4xjWfMLzlNsm0wtTaiwGTd4MIbwTBGPEP8eJ.7FY.1nsThLr172uGODQWctcxLDEBOD9XDhTcawYUnVuX5BXpEAaSHcIcr",mdrd: "W2iEOkeAAJsmbctL3XzTJ6LOGLKJ8MoGFPAiPpD__y0-1739399471-1.2.1.1-LrNMq5CPIyQ.039eJKcCtgtPnS6NdzYkiihJEYXGLinObHPVDVU0Hip21T7IArHSWQFTzHpNxTSvnFQ7ElnaBHkDrJw6XOqe1j5EfZPW3MdYwHhzLGskbvu.ZxckzeY3QT4CnuFeqw76hjvGJoCjY6XFqRkADs4Umb3TcXKiQVBmnJlSF9TEtI.U4z59Ha677PO9BWgEaehK7vNP83rRB2salNZI9h0c.ON5OPSDo_RBYgLwf6fM7DHNcr8Br8XlHbp3ms0Gl6qzJ_25raadajDXAUe8AeS.5Th7ogxYitZ.Hs9PL1e2e8rWm9mFyHEkxzuAHeit8J5zIHFEa_3aJMPaejDAW.NX0e54A1GcNPQ.AvPj83i.n8fTZg1Mj7Ly42AaAQLVREpVdrMgjsWrYw4OAmQFNz7XnEIrmNwYF6Be1kKx67FyKdKcPRz.ZNpQWMTQbynAf5Feq3E1Eo1ik0Rxz8r1h51m6kOLm31tG5Fxg97R.atHvKD.nimjJINbBINFpSfg68rliW7_u8pq.PlYkzM2rrAh532reFPX.Sf0EVbZY4EdhnedSSJWmVwR4Sa39TuLuZH1q4tOrnZ.nVVBnQ3Zty6pza36vo360GZTmNN0GYhSc0qtNExtc9GTAfRQdVhKDx_Ju.tm0SOu2oJD0hy064A5ggIgO2MYwPx1eV7BeNsls.gzdSaI2HyGjK8HipsDFReFift7.pfBUN5C8KVqLtRK1l5_Zv78YTwSFCgyq.wyGX9bIQlfSD1lSXD.H168_xdD5qm8qvgE7GDKIdoIpC1HPjwxJo3LKnojCCm9QoOhZHtY_WDyhPWgILYD74XMv0Wj_A89GzG8pgtrkmdM3h3Qb2yA14.fGGtD7DrU6q3EXJREGT_miTJ8ocuzD1ZWO4MUPhUVntUO9GmwW3ORsSR5kQ6RBhfjwflHGWcjSFUZN95potUnqz3bcKXrAqBqwwLmfoSmeclgKKosf3MqN9YSoItf16g0GD6JGDC_anuO4lAPzgGQZVGI7OxSUCnr.kaXO28ee8UhS9Fr0oz0UXputJmNPWNViL_qK_Nxq4tp0jyIueKws74qh20c_SVH5XS8J2UbEDxKhKmOpCy6voBqSn9LSdafbMfcRC1C4T2Q5RTNNQHAjwb5HGevzjSYtOnFrrD41sEONUMXC2qnXfWtvd0Oh.vfHIYRXQI1f4JEF82CK06MEfqiIeV7q1ob2nHfVQiDJP438BRtRkF9GOchx9vSlURBF7eyiUDbfjQtCGd1dG8sNwknJVRf2RT_dpF.donsPi0T2oYK_sWJKsHKsv14cvckYRBNUWvEWByk1cOy9QUpb3KIURF23sqGICkx.uknuWQOiFY7hGQCTETypIA4JNzDLPAba4bPoYamTsbSVZJPnq98hy1VLX.Yy8FhCfroxeFPy.HqQHl9MMGPft4friEkrtSkWyOrJxqlc.V3tfZoo9Yv_l_S8XupiAUoMAgNt9udS06SiJQNXKh9anuMQKz8gZsMU1ph4wf5.6w4toZsfUNdmExYHaH1qJJFbhuX_1ty3Pld6I8iKEharb44IQH7jpixyiw7dWlQtu0xuMr09teuOVuo8cNeWDbz9dMEEYhZ3J3ZrjR3GFXZV6aCC3zny_3xgHC0ZIOSR4.FrjlunHGkUKIyxNcTjFYg5D.mDnGThKFyC_UW3GhLgcwL1csdDxg60Ny5QBqyJhS0Of4fD634aiOSVqsKHLWQZ.Rz08IPFjjZUaFZj17ZGanRcb8Yk9yzwKu0__zHvmJr6mtIrwZFmD6_.jArdaSLGJ7rIQa1MvuVS8c1nPvjPL8Pg2QuQn0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91100707c88ad6f3';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\/9601783425?__cf_chl_rt_tk=8SpB7gMtwQRN9W_A78YwIeoIilo1Ze8w2TSDSWScLQ4-1739399471-1.0.1.1-mxemZIcp3QJiYe93._NsZC9UyK2yE4mnX1THa2IyleE" + 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