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-753733019281.mit-edu.top",cType: 'managed',cRay: '911056791ddc9c37',cH: 'noNEiMWJVTCBM0AHhie3YZIZDGnzedsdEPra7c3hIFo-1739402725-1.2.1.1-6YLRUAzhE.DaaOCB3_sSEUXfGrup5Y9X35GoUnf4S5g9Rbpk8Kok5ZLvCuIiEcT8',cUPMDTk: "\/post\/4826397501?__cf_chl_tk=8JHf90ygg9rmTEZ7c3Wv9xgvHYIiifh00nCQ0jgXEYc-1739402725-1.0.1.1-kHs3CktitFqarNokM3_w47d_dXki_PrM3LqjX4MywkI",cFPWv: 'b',cITimeS: '1739402725',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4826397501?__cf_chl_f_tk=8JHf90ygg9rmTEZ7c3Wv9xgvHYIiifh00nCQ0jgXEYc-1739402725-1.0.1.1-kHs3CktitFqarNokM3_w47d_dXki_PrM3LqjX4MywkI",md: "lPsNEgVOprZ0dKXNeNv1Bh6pi.C8HWKtdaqr6QQExCQ-1739402725-1.2.1.1-DOk840fQ8zIPtLaP07WvQb5_Tk3NRr94dNapHZwEqcKRx8PJU0NnqTc6MwBCcNUInPvgwjyy9Ons1Uk2c4RvVeVzZz_TQILCOvBFp0rmlyghNrouOLJ1B45hExvDUR4NClENLanE1QWxWF3DTmqTug2FERtarO3kJYbDOligjf3HIrBwk4M9M2ZwdNG.Rd_rqLlsV4JT45Bx7IVesBKYFO4RFMapgTjktNWNa.Oo8xkzjXJz_L3YKnUXS8PnF0BX9o_mCaO3311Nj7vwZ89cztcbmrot9pseHM_G4GE9PkC7ydTBtpVysEQ_cCKRuCuElQwbQVIMuEVj0Ch4kQn_mU13n.g7284w.9EB1.OhCrSNFAra7syvBOZY276AvhrCH7.xZK7MCqvuNlFDXCC2v0xgjDvyNhAZ57gSbRBqNvflZFL990ip3vG2A_jZA.lawvsWf1Qctygtp3jofF27cKPpZi8MzEyr_U0vtH85ovnN94CUbFZE5vnc9bFMFy_1IIu_q3fhU2Y0kGwm.BAQ3rLDwIEptDGqYDXD2CJkUGWJOcObgvb9F1v1TbIV0z5UG9a9pimoOpAOJYu.BjDMRzJhRKPfMksOQpw4WSxVemDKT4xswwkY1F3szPR2W44ODzW57mjMu1KtNfwDgs1oPz4oIGSvTUUXqXt37CgMoNY.bNdBrwvx6AMDh8RI9qXuTxsJaiEhp1M7qA1pyvfKTSGB1c9Qa8JFn1b0ppnLWPLkMA6_M6XG5xSfjJUk8fOCeN75WjgJsq_AsQWon2DbTKdg8YydNmL04up4sfRurJdttwCxwJ1CA4PjQNbdL9GIS.0QcIVVGXKtm1MA6ScNMPMf1iExol9WAO.0Wk3OKUSz6QLg_E7eIr5nidyyryTxEWwajjyS_hb3SiQybsXBjOOw6Q62JbD_hr.pjkwjMLI1rxSK389z5zEyiMYrtXpOvlDKdkMMFtHQjRrNFXpjNhErX1Qaws4VQR0P0.OXdhWrIKbWGRnOiRYKixJzPg9zGaGvkUW4AljFj6VotNevXpE2XIBE3rJN99NCFr68UyFT_F7uCYfLO4xheGg9Ji2BXDo6g1WF5ydTM0PA3vfTihVjCcGwshlkenZkvfBnlqfRGIO0H6VXj1N5UsBtWfmlEBrB0GvjtlFa0RIsISMp4oCY4mhvNBrJWa4peGG_2FZLd5aP9Orm_VNNuXZ3F7ivcOnPg_sGkgkun6Oi3_.yR5Qe8D_dzByTKyCOframcXcr.JcU3U8Y2DlTw2ccps9mawMhKyEsBgkJw1mPXwIxTehqR5MwG9Ffs7jhFvkX2ix98WjeKGhnVhIcAP8X6DKq4czv14wT541ut9QIiFYxm39DUWgnbsSQmMRSCjMqpMx.R0XiNeqmMnLYUUS6YGdWf2Y8snRVnf9p58dWZAnC7lqmWNw2h4iO2ip9nOc68JMjMkPCjBJPdtIS8e.y4cXbW4YVjIFTj8ZC8masyWYSyfLFwXxXxxXg3RtLN2dB8CDEmQwjy_aXepHjXHS9lri8DtBM6VDppqQ2lqlyklERG5.fgVjNdfEyjT4mPBfZDe56m.uYb5HAARN2nOEflLKwsLhfnBXgZW8abTmJzwiUMJOLZfFrdt8IQc5gwicjpfGY4tr.AtSDiePKgRV968C8PaZf2SsCTxvVJWQTsYRphyDKO557_f9bT_aMdizPEn__AEKBd42IV_wIah3Rc_WRPbVi24vpFotr4S09LFzPSje7zDAATWHVmh8wMmMsAcbn8a7TAgjCLypEtFREJLmdSpQ7cKoHn16MDlN7Xj3WPTaViamkJQVYMvD4QRMV6C5fEukJkGUf0Uc8GaYNFJ2WXuiauqfoHPD6DOvga9qvW1eCLZixn8dhLqLGIqKPMhPCrhwWmTB3V_w2lxRsoI47Yo3IawchasDveRhtFnbfwDRNBuKx4.qd.URl4tz7MDxRwddPfl4LpRB5VV3h4QqYhXl_5JU6.cD_vKieqxKyqp.OvcWqM6NqYmOcOKGhw_zwuTlrwxWLt0GicH1lO8y5FcoAETZw4_.30TI4OwegoP00RVhOKqM4lx119dYc_SqdBUpEZlIt6_Rjugpf11iriii3FnWIJnzPctk6Vt4Lt1NcmNnBHXrybAfbahstYnc4_qxt77z6pYmnbhlrEvx8WbEjHUlrkBlOgAx2zjiZRODO2SDkBuKupUBc4wd.0WqyXdml.TFRw.xGIGzi7jAH",mdrd: "sMbVm388sN7YkfiaOEn3.1NFEwFECjjSPrnTp6pzbBM-1739402725-1.2.1.1-pgR1.68O12gg1bxtL7T0t0IovQ3y.vggSjodByeR6M8zTjhuVjOxjlMgPNa_zV.R3CVdLhUPpNsKad3UceCroMb2sMYoFibTGqAkqb6f8o2FZ2Q_MEkJonVpBQrvID9uApfohmPEbxXX1JV2w2yKaYCtlGBObb8GHUsHs_wtnq2A0fdViIUyMA4Lb0FmqXL.1z9n5UAOFV.6Yp_lNNbW.sEGpE.MQiuqOSPpPTjpt1Wyjk47V387hBFSaWsPHWUKMEGLEdC9GrjGxC5cFwM5XBNr6goYg94.7vRfBcpvr3PL48Vj_YHfmVBlzfUYpKCWgIY_UzjSam_r9mJY9sd02cp6r6GbOM56eb2Lh4RMiyacIjvFGIQpWZcg.6csJUQ1jBHRB_B2EaojaufjPeTMhKZ8PZfs.ITEKNKTg7M6RMlV63eVPauH7Uwoo_N2QwqzVSkbgMJ7TkLJ6dzmvQMrfXgEryo09nP116VaEamq3nO4WpJIK4EZZJ4uzNfoFYuQAtyKhVr5T1_hlP3MGYLrCwtthQT18prXryMe8oGGSvC0Kx5wh8NoqsWZsLb_W4iXfgRT.ni.Dr4gC8D1g.0mOPQzBTNktzjLEkNxDBLtarP8fXgHqr3Tt0kDfwL.mkoALdQ.WIKUPLOmcjq.t9__SNvK2flcPtfZvr4niu35rmrHy1A1D6cTWbgfulMB.fOdyU7EOuBNQ59v9WHsaD5Sx.thVgP05_o91u2yFSIQ8gaIKH5WuIq6DNRmyF0vdrKOIQsJKB.cN.5i_lGHmsofITJ_xiomTMXpEjghj7LxVxcuwHQ55pNAw_8xxCXsBWkoHwoEFFEkg8v1gmc0Ar4.AfBBfJ3WHdjjvxToqPYLsfDFw2.aMav8RtiWuSX7Nwx40d3HYsxHvkXIpebPLtoMbb6caqdWX0KiH7WNSWlU37ZwhUh8QRg6_u6JUmWY_lkODdOVilugOoWOIp_yYYceTlFjBFlxh8PDfUyMETpdoTAtu5AJFaF9XtC8y45UKfOpIhpJrrmWCZQOyqFoaYF7LMdGdZC9OadrL7GxO6_QBfI2ZUCS3LsHxpYTXnK4kJCtqjwlx.wFHigxmGrvYXAsAGU4vnQbM1QfbLgPVrmXIGcpBGoTlmZYRF5BtQVULuPhuOCH0H5iHkv7XMN5z4f95eLKh6mC1Tg7f0RlVBtxy6Q7fK9ojXwLUV8AH57drbExvyhh0MuLgvXJib_gui3vhiA56CYbfWbIe7AnH7fdiq2DK5L4g8AkuVAma0XV_VTDoPbWrT7901hCtwTjMaSoXrjqUDWv0g2j7xUa5fZUAugSsj9vZgReIrAekfhfYDAdDrJaR.ytzC.0QDGlc7oZNr9QKXt1zG08m1hMPHz8_WKCmgV3p08uYfoL_FIobmYexc_QAuJ_vp6llbe7gjMYdabTyDaVeV4w3PW.eSSnji.vw7ACPaMzLGM2emgANMfAV_eAcrHDNP8mc.BKqf7DKggJPGyZUv_3clpNvMRMcu3fu09JAcW10kEeHY3FayLVcHrwjsmtMv9S_O78vdLpPhhUqa0zFHuPdf.ezNXFYzLAm0Gq5G3hLIdHSUzCA8f1njbUyfEVv5e3rQryUL_MD4DAyRQzhf4vAZtVLBuleanEDPkjirpbBot_jgSWFNaAc_zk4VPx7Mn.Wzxi4usRZNJdWU5xX1f3mCtH6tSDeqEQ2v.990txQfhAz3oqt02GXeghXVjU63lLQq6k.C3t7uxM0TWhC0q5xm4RtxA3zQz7PEBOcP5NSATu6Uc3UTOMyhIyOpgVCIGsZlp6856Zwx0jEUc6TKDt09QzcJCAhBs"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911056791ddc9c37';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\/4826397501?__cf_chl_rt_tk=8JHf90ygg9rmTEZ7c3Wv9xgvHYIiifh00nCQ0jgXEYc-1739402725-1.0.1.1-kHs3CktitFqarNokM3_w47d_dXki_PrM3LqjX4MywkI" + 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