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-501745079779.mit-edu.top",cType: 'managed',cRay: '90f876e0c9f90629',cH: 'ObnyPVTXCwiNtxKlWnRzrJmC7fyTXoLLjVU5waaqKm4-1739152394-1.2.1.1-.d4V03IRpaEX7m2tQCoC3SdTlZ0C7Tu.oH0RSodvCgpz7V5merH4h5yu7Ne2zeNM',cUPMDTk: "\/post\/3752819640?__cf_chl_tk=xm4Obd6p1rfx7Jp5ODagiFO005d90mXJ6XKlKDDio0o-1739152394-1.0.1.1-UCtug26bjtJPat4QPRGdLuXvk3LUm4pJjZLC5pur4fk",cFPWv: 'g',cITimeS: '1739152394',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3752819640?__cf_chl_f_tk=xm4Obd6p1rfx7Jp5ODagiFO005d90mXJ6XKlKDDio0o-1739152394-1.0.1.1-UCtug26bjtJPat4QPRGdLuXvk3LUm4pJjZLC5pur4fk",md: "sCI01dotcQ2K4uEbeUutg5kVj7vfqFpD717bqdcrUVg-1739152394-1.2.1.1-XiqiwlXRbQNNnmLaYDDxE5ure3GZKYsRRoOvjAVAdMo1f54cqb8AQZ_DmZnYncuHxBgIvREYVyEq6QRRP0kUbxqtI6OqWCxPMYKklbxoPQreSpTvibw_m6UMvVyMXpL8WJ2tEqVWNMPMHEPC2JkScjbebfI0cp_.g8cx5W2gtb54ZV0anacg5q1wpxjeaXtieEB7ig6QAtQavNy33Q1YVbH3PdnTGXmYjEYOwtKebKHa2q4dN0sT2XXAVlAFsBhQZKal.dXDz..r3BAoreQPRxDHpuG3nLkBCh8BWSdeYAO3kUHvQDSpKwQ1SsbVfAUb0cH_iDXInsusIs5w.rlrtbXxa0yPd337FwCe34x2qmYbfd8pUNybseKaO6bv_DXLyvDzikCpSTzOEAxLU1ie13Fd9le3SruaFmnE0gjyRiVz322oKLkpRdIrvBbgWiAgMJEz2Mgov09_2MutREYYUiM8dPXZFaUYlKyWftItPz5KLRjw2l_umVxj6r0RSu7Qir4ws4uwcPjcFDJljVn62LXQOrhDuGjRVlgRbNH9isHb1.att_4zUl8u0KsbqKmP3.Z3RXvG6JLSiqC5KBENe3lkRP2Kpz0hZipx7nsGD9BAgeF8Vsb3E1XYx_TQ7yPOEgJraEYr.71ivmUR41DICpHK4UibrTlGzDmdOdFS29buCrxwOKc4RyeBT7d0uPwdCEVbW3YM1I52L5UuvuNaIkYk3PvENlW8WjqpC0gIRrkk86ELF4KXtaKCg_cAB6tMYgpanxW2zhgK6DU46FJwXgOAchsIF8jH_1vXW18E5xTHkTDKZ3LBVDVbx3ZhRJGmGVWmpsTD7ncbphYMyFSgjJgsMnGXILuCX4Raq90SIV5Is8wskSkhwrIp2Uw2Zb8QQBv.vyl5O7OEPRWxMG4EcK0JpIVjzcUhsAlLPmDTfNXwMxe2C4niwGvBo2eybXwOenS3OIVbqoROR11VsZwSwYxnInMJbDojoTELk5.xmisfVB4G1QOTGQondLweKhjggKrjqJdJ9sPZ1uzNnJKg9700rV.4hauQLgx6HWNIoJZc11iRAWxVPUmv2oiabmAjh_pIgbXpu98XCoOvumTX93eVv3PZi6eMfOXVS_oGMjYnWRx_7cE73WT3AfCqGfO0bFs5l7QDu1x8SlQRPzugJZLXAFYcjrd4.5eGa.DE37b.TnB6AKpAeluqNmOfOyI1NfgPo5LorBxwKjff3Clq2ClTY8qCL7mC.4aZ7UJFHWMgzqm3yLbtbEpaLHlphPtTWPswgz9iVobp2mf7ZHqEQ72jA5_qCvM9xlPclRU8OICERx3gc2NEkopag755aDaUeP3y6Yr3y3KGZr29qTI8BSWnIDiqPOHDvShYOWP5xfrmbOriASZ6nTAI.BhZ2zhSRSFB64pJNuy2NShahHAN5ku7ljMt08sVQF9pkBClc1DPEcBdTN67of.vFnJrlQwBGDE.LjQA5CRysQuHTXvt5Z92MHzZFOh8X5WivYqAtfHejbLw6VdXmVbfw_xusLSUxgz00I6rfPFD3lf_71nlbLB3HAXotcDkibAdWq5Qm96AYFLPcAjOSD_hTr17.l9Nr59uZP1bjb2JgXl57VUriJqw1qjA1piRquE0UfmGKusKL4CgYtkdmZgbp8pb9Ks5UrKh0KfUHkPz51NGztBmPYedfpj0VrRcuEGWiRIzxyG7ZSCkMHr9b2O_3.EQcqmEGjQmhRjkTT8oraN5FvNDg7FdZVTgGIOu_CrFGI6bPIH_glpz9i63QeEFtsVJ_G59K6dLx0vq8kHoBLmmTN9xnXkhRRP5eOHiIROFUoRZsRq1Jtc_U27EZr0fsET_fPBVs_fmlqJU77vZKyEXusCOdpXh1OaYX8_EqmrWbLG4y5v_qxREvyZDk22Kibv3pmHJq__uxgAiwZr0_8Ya2tf9ldgMazaf12sXSD5lpHKmivdTkdYuhLcp3.lsSAk5Li1cABkXt6a4rJucI_.MfC1QllZG14keQhYeKsVEZ.RohI1pXtzhQICgx8zqy_gbZlXeDTpugIYlyYt0qP1sdusaFpmWef.9jq5jhHycpZtaUXDUfX0OwHKE2Y.VPJY07furB34YICJ4t6o0XNdGSLaw4I74k1QjK_svVhcFIwBoKvPxRqTYOhgZ3jtGMvhZa3NJLviDL0epKWykHydDx8xDwOduwfgZbI.7jH67DHNnIhs3cPB7dxPzrnYjBRxJFHlN",mdrd: "BfRnCNFkRFAZI47d0L.O0R2lIScEgY5fmiQZnPR6iEA-1739152394-1.2.1.1-rSeiSBa3qWnVr2OFsk_6HhJLQeY0Z6ukUw_DmWdpAlNqCySkfXM9ebnDHfWgTC2n2ULPC.3bThQn4a_1sXrKOdtUzmqesHNcX2sbBDOdVeuG7YSYaXf5Hh00nOpJWNuvAvuOmCtslgkxbwttVX8ZaWcZBbJa6jljML0qUgWxFoepgT8MXxr9rwDSM5GscDiz4yZP4Wv.wRTAH0.Jt5zcz4gmVL11ePBQ4NcjaIKrZmxPKC43ETSpb4QPD31tJXU22fdwdVHBhL7QDb_ufa3AShQN8.ESkaNUx882YmpzM2TjYxyYKCufVlsbJnSM2_b30TKnOEwrDoALvnfF4SuaNWs5VUkvtxTTxNAGV97BGCmFxnfUQHCMWMn2xu_ez7o2v0FyQy7U9wri1DNywJOgMuW6G.pvWQajvIVGwGufsGj.cBRINjVn.KkL5LZpKrLltLs9i2JQUCRqRpIQA941yBv9t2qNiSJweTlYv.GIYDj8zw6qBEj5YIBQX0zCfcJrPTuCaXelU54hWHI0d73osDTNZiKhdcjKA6IlNVJp5yEL_WxT_a1SgLZ1n1YQEzcIpim7nNpjwmLtkZ8t6pBQX79DUSzWTxm.BpVto.lKHQPNL731Cxzr2PsfEnL6_dnv5WsTJGdC4dUtx0o6SNUY5LvfUCzA_JhfHYi2tX2iCHCzNqAGHlHawv.IgAn9OggzN6lkiuojqjTC47AJlvI5eilGKY9rWC9kyiM37a1JRTG46sH9wKjB8m1gTZUF7xTZeN5D0UFWCOgJlKCD6yeEQ8iXWLR2ygcSPQrXUwbHfWPoN3iRBfTZiHiWwbUDETaMQMK4nVTuVeM3h1eVZ62OWXtwSsdzWv8RdS8X_46M6GTk9BlsLU_H6fCIodLu4UCwcJX10E3yqvOHzIxQYhDDzFQhqnOXjjygsJT7Fkjj_JbfgT.iDC3TGmpd5J._PgAwypBLDYMM1xcfdw3tWRUuxYKPDmBY_Hxp3ohCy.S2HA2vkPjBRtQaYt3ySMJpakoHyS_frtinqK9q5biuESMSsEbqpXMwjcYIIFXZRCrh94YF_o6bzZPK9dEtWa8Rd97p0puMu4ykgHRmgfc8Ul3dzu2FJ2JJ31OegcWhZLuYzoGJ7sGIPxJI4FFQvs5ofFKOsVIKMKleqNiYZyIxGAsB4Lu6pgYmFDxSLGtoyf.FgA.SCJpX12d70DoMW4x2cpp3pjh7p2iS2t4rBUvfoA2dNz6Xx3qifB2tm.2diX7QxGEfMeIl_dp.hy1rQDdth171hGNZHh1CHvkbhBRpzt8PfVQG.fVssgO.wWey8jROZ2TC1vDbDsrQ_nNMGvHDvfkDp8Up_UqKuDwrD8CMzMBPedj6Nz.1QTCZvBsWtyJjJyvi7__aRm.lpVRp3yVeFoxLLDHzKiLJQFwrv2pVG6bgZqsy2THx6WKbxtjlTKGmMoDuEjz4LZkbDTGkBGRr8Dn8eQmWDQ8_WLkPavyAJFKJGx.78sa9Gl5M1Msz08EXmJiIRifXYm8YI.8vj_YmqoYqGHQ98XjumPYGGHAIBTKVEHPM98vbudYzCEwjwFWtqy_ru08ULcCOSuo8ICoqJ7XMt9O9KKSGS.bTHuqJLKE_5WXpai8.PRXBuZs4eK7hHTkpyWD8I6EYa1QXNY9fO9fHKIPeX1Ky.DYlD848QQ7cn14aAHvPhFSvoipY6GtUb3AocwkmG8DNLAMIiL8Es.XZV5C1xbBo_sUg561fuKX1TFBGxJ50pCH3eSLD22nF2zTzySi74Jfpt1BgliLi7Tibe9aIQaA.XbCP1Zvrp.OKswOkicsbTW9m8636n9lnzc8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f876e0c9f90629';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\/3752819640?__cf_chl_rt_tk=xm4Obd6p1rfx7Jp5ODagiFO005d90mXJ6XKlKDDio0o-1739152394-1.0.1.1-UCtug26bjtJPat4QPRGdLuXvk3LUm4pJjZLC5pur4fk" + 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