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-4678935021.mit-edu.top",cType: 'managed',cRay: '910f64763bc36f66',cH: 'fGvRIRMKV_6qW77.3jFnxXBqbHHhUFLCHKJR4u5PZ3E-1739392812-1.2.1.1-EYZvcnytzIUtdBZ2YqRBP1RfsILmujYjeuItc5KfYr.wDAov0aQkifCuCw9yCjGS',cUPMDTk: "\/post\/0329861574?__cf_chl_tk=Q4O67SxBmENENnWfOx9ScyqI4tXT2mGm.3dssWL79gg-1739392812-1.0.1.1-xiccHGXI6jtinzamIBafo4Wl1UGlE96gj44CX4npX1M",cFPWv: 'b',cITimeS: '1739392812',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0329861574?__cf_chl_f_tk=Q4O67SxBmENENnWfOx9ScyqI4tXT2mGm.3dssWL79gg-1739392812-1.0.1.1-xiccHGXI6jtinzamIBafo4Wl1UGlE96gj44CX4npX1M",md: "U4UY2LAQ0FkpmqUMC3QXdW1jWsdrbXjzqqeERvY3lno-1739392812-1.2.1.1-0uoORzLj147xzOOW0jhc_EHOEYFXhjHINmyi33LFiZEz4tIMSR0Y_3Mi_P2HmZBKdeCtyJySN4gaBlAK2VIzR7v3w3fym4bNjZnqKXrznfrN9PexlyDiZ0rb574tXwncrJeDzV76DGst_80APiJEbqE5Fg1YnNyAnBWjKuEoMqm8Yc_3vzB94w.68qU_KJvZM9W8dw7NtWgKbo_.s0TbjxVFZ9f9DoJj_dd3rd8XfqawUGr5dhKFGER8ksU6zTzqlqzfNSnA8UCxpmzE4TO4qvXbfGyUuFyyTXLU7hNUxvt4kEjo520.B8o_Ey2i.xlqBNgT9tjF_eE5Zz43_WKynQHNrWyvVmL0ttImm9S8jbMvoSz6bhEyZfAJNLll1DLcYV3jMHRJCr4vjO3p2mnXQV1XIpni3LmMdAlrOdAKikmyDuOnLbedZCfNMNkmzJhRYf9rEUKpZFfNl8Ua2fEz_1wN2HA5tieu0Bmy01n0KLYA.oXN99QsgyI3ZDQxc5OYbD3oZi2aIA_Bn8C6xuw50Sb_QfM6ylYKA3TlfgzJr5DkkjkvhbnkcGj5dHReK8z5mr1oapSPhIajeufGGHBXGP3lXYk.naf2kryZ3zgW5z4mjSyMxV83LK7.NidBLlzHZr8C8iz_oNfeiefjWDi1CSqajsAkK3YBJMtXT0VGkM5idehQDk5QNFbjs1KXrrUtvVs0WpC2NZH6ZA9QjUHjx.kgZeF2WA05g7MplawfjP0RUckU1qGS27HPBLs7r7TXgN94wiC3qEL9Q0cHPMzGL4C.XSzatXOuLIRjf_7mZ8uYAErwdx1JHrk.L0c5k7parEeLM6J_jy1BbdpdVv3A0vi9U9cwizNAH8whBIENFkiOIHV8Lc1nuSphb6uAbVyJQ0rKgDGLLHt6fgf_jniHla5YKAS7i1.sjsbUSTa3DQ4tqLTG68.YCmXUt8zppuk1LDY1TM7Obg7lIoZ1V6QAIgET57q91sSxqfFfpo6M9svVyu0YZKqKDp0hSQGFnOstcRvg13fPtyV99Km1Ej4GHMxDav8lY2ll.hlLxVJgzKHdm07.dGSKKb7n4kHma_J7rcmKa4BFUIoQ.GmA102YLEk_Gy_bd0qy4woPl_he3aMqz3xjc9ZaQS09VYq7FAWzhS97ST2yIzJhOlN0ELxUl5cSVvXvoc6QG68etCrnNr.lnXWMYdoEeraT4S2Ct5MgdRNZVq.WEve9L3pd1N4k3xPYTUbjpfbLmHEEFZQt6IMnkx7DIWU.MXe4YhhUxrI8AP65KJYBrS.lpLXLdSzQBNOlMwKtR7fTSzqUh5ERnKyTCp4dph.NbZLsHjGAN2tE4oS9JcYCOUm5RoVUS.vwW94ZdgNQ6VfXlj8dolLsb6O0oy7cA28_6gxns0Q5ToykNmWJ73awJdK.3AvLKSkxDtUS93KrKmoRKsR6r29Ojxu7NGp5SWL6zEViYRMJtl6VBGp6OT21uNKeFYvqdXOnzzO5eHl4x4H9Vht22NAsp1AM1YV1sxRQdpGyFjX44.g73D0ZegmLi3rePVTyn1e06jYtDHzALs7vh316GNYZ1F5WWngwFnI6HOtbXcfHGNdnU1JBUYAuLNna5e4lTtg188SCtOmjSikHBaEthP813COL514.L4TDqDnYkCtkFzhujzjbhdTXivXECcklSqE6LW2wRwaBnEt4X90bm4DoEWV6fzD_9Mw5GQETbFjRfTzK2ozb0PjFIbhIAl46GaxwbN4slvxbRq2ovbXgBVD5RKhj.DI1fCR1eiTr64e7jxjzSVeaUxhl9AE4Rs6qFB96cdFqDGzOWGutNSGsVBJ1ziasEloH6fytzkMHvKzNqH6wgLZWtWu5PqCpWFLfsePfLZTybNmoyZm7UPdulqpalYWnJQhjymww_kg5tSPKLpWDM28RP3xM0uYFe6KTE37Dpq_1a8o85F5hK2Abbs5XvHp1aXMroCtKFVAjkdFS4JIOli.ZvZfw1UVnH9nwFrKhXQaIUiciMNALdTKDAj5VdkSJgbi2tsvQQ8bB.nJvOxRy8d0.DLH13kTjSxf_QIpIPw2m9LOkw.NZ1CKihHgqRLf5JtlS9Tg1Cu_t56rQOpG.RwTj5yQ6qrA.BnLtCtMqkhpSxQTSOKCFM8yk.49WB_x1jq7J0ARUtTRQu7pJLhMxqISVtYGoLxp2_hljJWtGcer.w0H_Bw6SRcdwFnyBHycO5hOOi8AmR0Gh5e2LHHR8",mdrd: "8yx.X9cCk_5iqVKB2Fer2wEGIwsfqIn8XIqvUooCFB8-1739392812-1.2.1.1-QBVY8xLDjsb5mxH7hqOX.BaTWFRf8lVYJkrQ7wuU.zQl.K8nz3GgZp0QH1_.Cn4g_NVie2Hw_neIMDRlFgRcNi4aBESsnCAr5_pYvsXQG_NxCl40ighvRrR7R7K.VzHJzR130b_qgqixSvlERYTIzR6.DQrq35bKe5A6o3q1n8bs0Hej.YIrcPm451UaOnR341r1uAkZYl6NSHLFiuNJrCR3ybkr_iIPWjdMqO73hX0B4clbzQDrVZ3XwKOmO6T4VUW9m2wL_MX7.ckQGl3KfSPpIz3O0ZWnG2e._uywH9GupAnYnwl1UxG1.5YUx2v3s84nf.yHm3.Z4ulD2abPtM5d4EZpdkNpDqXvog80APhO72nPdTrX9oPxvYlgHKnQisXCzx1lrKZ.MVUj4I0IC5rsdrwVzXQNf4N4vA3oDh59eagmeGnx2ZEAePPaJuB.NduZqcDEn3Ya3hrOiDq9KOZObHDmK3FsTpiI0kaKNiSUg.3y0BcQ3YqUzcdQGPpV2FQyr4ekxI70c6aopZGQYbimTJTnMK0QZYX8S2.68bnUqbnEXZUudyblcBXIHnF2DObeFdccJSynvTR5Sog.NIQME2zkyFqJMchP0PEAZ.D6Tk0x6u8QAZJtzJsNZJZv4fGhLi.As2MQHhM0Sr.PXZgBcVdY3Xt8LzIDPNcjpVktbEpmE08VGI8U0CKeKlqkSHO_hVlUqo_3yytRMdiJUcgjq_noDIkIGepDmIgLqJCme3yQ4iHLk7YaLs.upzjOLFLKjXd5RuUbL0iRy_KLuDoTu4KPHLkILlYW6H9f4c_Y8woRb4J.e1BtvREcl7Sz9J_2FbxvVEuwu384JIpgQrZ4mUTaPTKgGz4LCTl6T0JzwNGI0zKlfMp3mzYJaAlMdDtFPaAGYTIES6MLXdQiwm3pM9bjueL0U9CJtZo4vHR8DN3_VZcCQ2Ic4ZdipJwsWaG3TkNWvFWJ6kWnbAOuwHyReE6yLIKA1aHh.tK.yBkSAWZz8tloGe0RcFUEZqemt1ipSzVlDd1Vz_Lu8sA0NGsRhCEllzIMLksBVcqHsyPRsAwzH5D_r9YUJYiK072qTUf7zrq03Etx8j2cZ8LkAgKRTU_QhWjhx4i9wV5cVOX_3z7Pzf3EROnT00vXehRMiML8OfHZ55ERYWhg0_del3lnwXGElDnJcih_pMmdjFhXPlISDRpMu.I7qcKsi._8SUw2Wo8zI4wsPyMgGPB.Tv_MyYzb2UFU40i_59ESXU_Er6m6IkfqHZFENDqZ.VcIH7mtfpN2m09piFaOv.xQzD5IUeCnr4240eH8l6TuduGia_dnuTjLB_shXZPKmbAD.6PICyp.d1Z23WYRJpsqVaILn3wMzrEYbnOe1F8Sitw2HirAuhfiNC4rU1zK0k.L896kcr9bzHyPwEKBKnJDPq1OIgr8RYhmFfR5M63byb0YmYQ_BcBDaC.lhRRZm0U3NtzRKlodmw8AmU0i_WyCOl8DEOwiUcetJLbShrDX4uYCtolhrvj_YDihtFB.cD41focFrfgm_ZN8m3oaage_WsLKUqZsUFlTnJuq0NbBX1DSWR40ignLNxz6vcUkoBqch.qp1QUZ9LQWsdx_ivH9S0Y9.ScNQYtF2F.XX8SJ8vdwVyPEDhwkNXlKDocZV.5SzrGYKWBb3Qp.Sug1UX60WejNkOvyldhK4K0L9Q82cpzRfj2vKXzJlAnyTZyfAtT9apQ8eo1A_xA8jh57yXUS4_JDh4sa_P_iL_5RAq7OpgzYhC4HInxN75DP4Pyw9ryItgN0XEmjmWDEDSDQ236je0yz0OD0rc0z2N0bYYVgqd0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f64763bc36f66';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\/0329861574?__cf_chl_rt_tk=Q4O67SxBmENENnWfOx9ScyqI4tXT2mGm.3dssWL79gg-1739392812-1.0.1.1-xiccHGXI6jtinzamIBafo4Wl1UGlE96gj44CX4npX1M" + 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