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-666495402124.mit-edu.top",cType: 'managed',cRay: '911040b8ac509c1e',cH: '_lK5iVUK3g4ZSd1qd3.UMKY5XTYx5gvekEjDoE_CdKw-1739401834-1.2.1.1-HGmyYNuzl.0X2hOPV6kkLm0aqlsZQ9m6uhHI371Yafqx6QLVp6HlrGIHNNQWWzcp',cUPMDTk: "\/post\/6839724501?__cf_chl_tk=lNzu9LFl.WEljFkNzgxDsIJyCsk9faHhFy2ujom70xM-1739401834-1.0.1.1-XzJCQzPqCvSwGD20KAlWuK5.BRaoMti4V_P3K7xIcJw",cFPWv: 'b',cITimeS: '1739401834',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6839724501?__cf_chl_f_tk=lNzu9LFl.WEljFkNzgxDsIJyCsk9faHhFy2ujom70xM-1739401834-1.0.1.1-XzJCQzPqCvSwGD20KAlWuK5.BRaoMti4V_P3K7xIcJw",md: "DM4HNBbsuB1gkdh38g0H7fBbmF0vnUR3ZS6YN5yLpYs-1739401834-1.2.1.1-hI.gNx2y5OABBKZNIjcZJ00_rB0qCaviutGUcKRPLnkA.CkOQ3N37hGnRP_6stkHYPeFl7EpoZ8v5A3mFmVyWN9m2pncL67htQo9ZUVNxBOR5OLegC_BRw3YroG2iiIbRBR85fdGNkGtZS4Q3cndKZATmk_8Sk29JwnXorulXrwCYYKRjWSsuaRE8H9ZFw34OdBLXbF66JHLuKjFt4oEqFGSgGt3wujT6lAIl6oIFwEXFK2.2TJXSCdLQ1zEneCKqA_NR3YV0h8_K5CXp0Lleg.SADgrLSLatg2ScIJ_esa39nil_Gfy0arnJ1OMgdTuhJRRRlIs03048G6xoMdjPTYUPk1O7o7XSvBW3QCAwtHLid35HbNhek.XYNgCzlPhmxYDedZmg57micHQlqVTH1X7q9jcnumWFg.2QZsLlK70CM97QQO6iObGrd1_OrIP8zx7NMBdOnqeiFt29lrLYxRDt.HsUjS8WJpAlSRO6AMRhB5WKr_IaFGTD5DBucDT4fj17DZhVY6NW0VrbEHVnBYYgIeoB1sDwWW2bpggNnTCClpQHRzMfzMQ2psRXLPBk0dDnKB.jffxhnpyRifYJjMxNLWV5hgyY1vsSWkEmkDLDY_majGcEb_EIl8gYlkPYf9gK.gXN2zqjdPYj0WDL.iuMakNnlxKLvQxXewpoeUZGBEkC8_.VvXmUJGenaWuCX1.VkA.du26bSzu7O_iinY8fQxxBnzQCwFtDAWeT32F4E8cAnFHk8rTY0zYIVA3zO5BB6ViVJmJBHvEU3jj.RpNqFNPtOEnwdxqpg6f2MT83zXQ27dWRZdHUIAei1NpgOZjNc1ILylpaD8I9N4cO5Gd5PmGYXreS0FammeBl0rb0c7trs44QsJyjAMKnsiLs1R2HPB_PYqhe_CnFlJhhkqyeztlquZdOfhyFrqM0aRw.2HsaM2UO4vtlX1a5aiptiBOY1IK_tGk1P9.mHH5tzlsYq3_ebIpx5RYxgf7ZFkuce5s37cwzkKswIP6zztW8k2KcEop8AqIQf_YcMUHI8dl1HS_rkORBp3bbjvtBK.HLlbr863LbfcVHS94_Bypl5ab5irLrJnZKPpyI8NITFrmdydIjDJ273qP0rMa3NS.5zpgGr9icYjkoy4SW1qY8eW1ow_kmygI.kvAo2_tiQT8i6OnjS9Zrjbecl90xCzQ26Cz2A.4bqZZ24vD9CsJwnQjLOyqRB501Bc1qzw2rE6wUl3JgD_WVuhQOQd7BRhBCkNnTuljc3Qs53y48vWGBPW0YvwRbyHcsioRRqiEMKit37nVBIuwx6NTy1TkHw.8TVMxL7FRq36bxdFOtgoAMyXxzxB5NNNQcMH7fNkTdmWXPjjoCw2PE2S4EoxFvUncBe9eDTPiBcGoJR7XhgbbLCTYPMUfiR5FziJj88g8f0OWU3cw2wLbyzC3EPyXLMGw5HXF.w1YSIKgBYINob3NZbE3Al_scqAl.0aXBi0WIsL06dFfzf_2r9n4COlWW_qu4jgo_bkH6__t64A0nHatXv8.OgTobzDnjIfe71w6Xz1eOvlGzykFd4J8VThHX707f1hzs8E39DUEpXmPw74MEGIVragDxl8i62q0uO8UwZ23LLdB0SfzjBhM1WAAUo5pi7INgHbI_veCDcIz.ZrX0pVBKWMgwd_ws1rF3X87t5gEDOjQbZntEhMjlFHJeVlSNWI2NYXZK2C0vLO.ldam3EaqeAzE01UTZ4mXMnfzPcuva6aEaWMvsN_9v2zHfUogwp35TiYVDSDniY0eRlJUm2QOzqG.CZwKYiTAb_6CkgUS_kiBl5bPXdbIZgBNCn_.h8eLWWZprYcml8OalMKjLSBe8vvAScUgNP_RI1yfZfXIjODKXG2ITKdzx1vajLZEE1QnQoe9iLupJUw598lx_2QToke77pvqn2x4kY3QSDOplWRET9ePVdD.Fd.1rS97JROoEAapH82dBPlLmM9_X5cDjxIBr6Hss0WDf3fetdT5XPQv_Vc_3htTGJy1RjPHCXEgD6uvlO5zHHBquF.f4SxXm5pbEpSu3ZzNemXvjTx04VCMBiAVGtDZ37aJj1p.VG0vkOt_N2dLDLAScoWUtT9IC9FJciNt2WCsv.hVLWop1Hdz5U4Dns1g8ancjb_pJxb34jjA4C9KxbzVXn2w5CiQQyDAVCRKw3iIxd9WIXrgTHD_n0WWf6MtwBKrr2_Z4QyvJqDc5dy99PWCzhYb",mdrd: "IP.v8oQi1Teq8zNBme8Xe52PreJpUbIkpFNnn2S47eM-1739401834-1.2.1.1-ieqkJluO3DP33hZBAG_dKMByFHGNW2n_S2gr_Xd14brGyxpIexCUlZgzDlM5W5ahT4HCK0KTtP9dH6VxIeZg8r63EaJJGH1jT7lQH99QS7p3eYPYKW7fs6WABY2gdxzRMhxc8JjSPn6XiLDVvXQGMvBtADmD2fFzNkXkegDUSNfWXotcXxZXkirBektZuKyHEqb8GMvFWtjErjw3CMTuJoLpBC8JzHRZINPjJkFUKD1Gf965CyfFHdX4uqJu8jbUfl.Hr57FABIq4HYJq5zDp2A8.LMxatJA6Kq9eYQbJtnP.wjtTZFlEgD3hBWnXJL_usFOR9d5C1zCFaYpbxR4SVE6vCZWMClPgX.a2yDZ3FiIbqqjazDGjY43ebE1ynO5Pgs76kaxLSjRqA7q.T5yq3YYJ3ij0wUFoA9mDR2c0froAqp4OlYWcrw95vnZ_J2jgS0S9A6NMKW6vY8m6d7G42Ni2W1E34BC.YNEhGwt2q8rsAShe4iJdEF6qf2_IXHb7EFaJ94Hb5TRttSnT123qNlg943dGVRE78ZN93HUh_RlgPU06Hefr9NShupLNNgy3A3m9C7dYUc5hXUP2njIulQC9Y9fq1QDY4uAV5ETWVq1XjqqOko40j1HpTnYHxuhb9lQBcsm_9SN8F5hYIOoJNVvxRp89Yp38D2v8Wk1XDxNwJ2hRjOhl5E.fwyFZNy9.aLUWfqTuSOC0iR.6U1zsOCNh59DqdNiACYpGFwaQISB.5JU3qiy0.4sauRROtdlLrFfxyjKuD9cxJN0zYeEbn3LsjLsf6aBlAGXiNbIMLnppXoPbixOKhHX04FD4LHf.SnWQacgiIg_JAofKmbEElR26DThXrepfLTBoFsJhm5mblKjE1pLPNSHThj9tQy1pzfDf1N0Y11BzEqf7shRpPydmIV.AUZOslitJw007pcwQFDseuPe95YCwQ.ZewAchSVc3t6icDw5X.7vAc_kmvYss1oO2DYqrfkKG.L7u5RtGWJCzG21Fxq7pxGmJwcuK4ZWR0rorKPeFwlMJRcnTinOricJW8Gh1NpE6_YT7VrQWHJCt0RozgMXJq9XZqS4b94EPO.OPP4MZ5cyj8pnnxP_CDB2tF0T58GqEbKHo8hamFNLRbRaXt9xntVBtn1HOZfymvSo8AdBQSC1gmYFw.oyyUQDLLEPTlHH9v9hpU4CTWZgslRJV.PLpPgoeGkEdv9.Bd4t3Aks850feOWQh3OLW1aeqM6Kws0trdFxtlhTwrwPLR97s5G4Iu52tsXB45vDxI275fcVatxy_Gc0ughxldGyqybU9mSssF5QOsCbuY3lwwiM8WeyLyAvJMi9QMIeROs2ZIhstjl_tFNQ_7pnRmfbx_N0pdb4i3z79jy4mRed4ZJJkSzELiK0KNG8dghghNO9plQlfcwbo0P2A9hTDArISpc88z2v3hk50LLjfKc3Fv7VPg.vtxQgquTQ9Alto8ZB.cG.tNNipHiIICIr91MdbMw2qpAYmZVT4FaSEwN0SL3ZWTMr6q1I4GqjxNMSvVCbBSOD1TWsTdE2Qo3pdSorFpvae2cSVR0IppWZT87N3wjiVPSK6PT1Q17WL_Ynnglhdrk9cWhw4c3DZKabpAp6MmJBnStfvzTUTWgl_KOIhvLJY86riZW2U6VjqDrQxx8Fxn.EFxkGPWPa7HceytIGocVCVwAGaOzJ9ShAog5D_C3sMW1t3bkbpAB5srcco3klvg7WL0I7.9cdwHyklw5.05MMDaaV3FlLd4LhU_0mEZfCOb9QE86KdCEEvvPL2ElIKYIjksBvxSh8lg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911040b8ac509c1e';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\/6839724501?__cf_chl_rt_tk=lNzu9LFl.WEljFkNzgxDsIJyCsk9faHhFy2ujom70xM-1739401834-1.0.1.1-XzJCQzPqCvSwGD20KAlWuK5.BRaoMti4V_P3K7xIcJw" + 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