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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-375167175428.mit-edu.top",cType: 'managed',cRay: '90fb1ef2e8235764',cH: 'uYONVqUXTNZwfWCFcUaUz2zhRFqT_BqVH3sZxAWrd78-1739180250-1.2.1.1-LtL7uZLuRQi5I.yLxYgIfHjRzlsygvxihwbwb4u7XrG_SM_Q1WKX9wloSX5Bi23x',cUPMDTk: "\/post\/2346915870?__cf_chl_tk=0a93U4J5xBPtxKwoKDDHrysFVFfSGR9n.IVkWO.K2Xo-1739180250-1.0.1.1-PxncxAjCnn6y8YUHNfgjTkqb1cd93oG5PVUBnKM3RLI",cFPWv: 'g',cITimeS: '1739180250',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2346915870?__cf_chl_f_tk=0a93U4J5xBPtxKwoKDDHrysFVFfSGR9n.IVkWO.K2Xo-1739180250-1.0.1.1-PxncxAjCnn6y8YUHNfgjTkqb1cd93oG5PVUBnKM3RLI",md: "KyAwOIgIwk0oNIPueQCKwt_IjiwPVwFTe7PcLwKsN9Q-1739180250-1.2.1.1-SG3KNftOoHnx0Rlnx71K63lIBlBTfZcrTXANby4BnLTAyYFVYxq.yO88dmfJ_lXWB42PR2314aDnxg_yoLIUHEgmDao2WFf6lO42pxzZrm9gbnxZIXr7.Wa5SWJkW7GMq5mJVw9.HooIw1XlO0M6Vz6Jvia83tGVbNWVFuk5baJWGUxsHH3_T4O3VaK1dtnOkHD2MlLpFXf3Xl.ijFWaTLd41t.4Qt.jKn_zR489tGkJNXvvw5YpMVW44sqsBISvVk5wI2Rk1Wut4SzOZt48h0iq_397GEbbFO7sNv1qNgQIcdTiDyNTSr80IXoV.PJVtopGz2IoQX.0yUgZYX3OvXO8.uCzngqpT5wjjkakbr6fFp_lLoDMypOESuhoKBC0CJzJFHr_p9RyrhL.5.VIzmVXZj1.K9IvQY9qPSORyI_NzaqFU.N4wLldXwZ.fZaqoU.gu9i.IhcHVC6B8GPhoSn49MbAI5A146O_JM9i2RvqTtYVfl93FFeya4JPKUNX5f2r1BqXFAh9iw24hkHf.iBnXwVMfCdt6NHG7SrRee6bCASzB0FfNVnVL59YYYNMrQ.Z5Aakr.Z4HkjHDc9WBjNPcZnFO4juSBtFzhNdKVNtT2cOqHU9BFvVupZXf4RFo8og9ZWOZHBYAtv78nXgxhWjPfIh1oS1G34zrYXGzQZ2hHtKulX1GTbE7S5ep5J4UF6HrucwksQ2wYr2GTMDM6HIx2q0AxKUch31UgFaP_e1xY2S2orpCAOUexrp5KcohjjMelChOYh7AHA7WrLUVDaSnl1.fgz_wxruqUhNlTjHxBOtrika1JD8isqREN5GvcZxYryU_oHapBV9MPwrmgrNg2p21WXJsCdGX6ztuBe04E97PUJtBq.AjuhtYekxWOpdGpDpuqWfmdxnTm5B8VVpXeUmkTOluRkTrbBuvELl2haEOBHVl8ERbh2kYcPuWZzWAU_YqwTGQdBaw5ZJG8CysQYUj23AlwL5NkF._rK6xkKimWUH87IykmEu9XlLDnIhVEJSWjekl9Uyg56qyPZ4Q40GpdMmJgjo6WNsu0aL_FSl6sCIrLiOEORm4HXBc4JMylIIDao3IGJ.JrP6HWet.asc1IHm830C5UisgcV6xV6Z9GfWxOJ4H.G3II.Q5hGCZ_8tjuCp4kIsCMXgy3zvwOVBL31qAPs3f_Yzklw.LanK9N28dnu_Tg_xirf51ou3lQqpYf7Z0c6hDswf_seGS8KMRwF8I5G02xEMrF3TJZUJiaYJZGmSKHkHMrYrktbeQ3dlTDh5X5aVY8J_kgY6v6esdB7OZmJ2T1ViwiTrVZycvysaJ19WTaiMAsABAZWJ7OdANUvBHehqm8xniPfgCS12Ouu2FcQJxLocStJlFy9biBTWNVpJ3YTRdIDzCFCJw0rXJkHKZdoigZenuH0KgjOgxKWH5Ix11uxPYFBlg979Sq42crbFuT_zed_1mkPu3PFhmKKImYBpBQvipsBJ81CmqZ_He2WipL0fpMj9MVj4k2b11dufYYAabPpFT2soFQhqH_5rRBEG7LTIFbUCRxclITEWUXJEm5JytAoDhvCs6SEpa8.R4g8fEkO_mFbJbBE8zRsJUeR99bt8zW98hoRm1zgBfVOtcbknBMIYt9OkCREa5jtHjZeP6lA0p9TJfnCCzZfb.wsdNYR._yBQCiXiRP1VRQSusXi24iQhH3PfgqQ_oty_ef9FdGppUOvjWoLRUqYmEs_krE7AdlZM4WnHcs09uYKhGJcvq2URjmNfcCHmYfc0aqeTAn.B5VcpNmrhkfaJ_L15dQ47kVJeKExwlq85BqN9wsSdWkr78gLdinUwY79PKxaUq6qN9Fax5nQMO8d9KsV36S.PuJzXsqCO6R3M1xZv.efyX1H5MzPUyLPUnxqGhk7uLHxuf7F8YISrPZBpnOXJSg9MsQLwdClhYax7.iTgXZLuNXCALvOTt8HJPh.Pj7WUMur7rQZJ.m_1orAt9PnYZ1SIY1aMhoeIrZVVz4FuU.SOnEZ9clF.7Fy0iojf8WUHK72n2OzT5_ywNIfgjqWw1xCcYFNYCqKKChtLV_ibyAkMGMdHWgBTpNlrZlXxIazFH3PQwwrO_S0WwE_pGBdWuxw0xX4A91MUoFEn2H84oQ.GKiJoG6DPBx7mPwlJDQbWzlBj2hTV3awe.ysesGtVd0pdzuTxEMvQhCeILelXFT7HMN9g7mETZILQrDY9AKR0TVkU",mdrd: "YP8sFEO2LFQVDt82nfBWDlORzHRO2QU7yl_poqRa.5I-1739180250-1.2.1.1-YorZRZTUkOvTDT0eEDqBiP2gUEjpw2dvmp_TKo5DFjz5PahUN8WAMPouWx73Wjs4QoO6t9Nl_UTdRpdP3KnUO62096GHi4m8ylT__LKvoj.0eOwGoJp0XC3V4Kmwb3Y5sSlOxstxNaKXIJI.2q2QFFb0MvKaC5wCuQ0c0Oo0XLm.A3Kb1GnTW_OTmis4_HDyAbKuTOEYYRUDzCxwthfeaN_4aNN2faoGEzvuKDbayZObtJa9i52y4V6MLuETKEqr1IBI9kOxYEH98Vz1vBwZMQCHSA1G7F8ymK4POr1Lr4dYQP6iHGckE5QT85eAo_0rNF2dr4FKOKPGRbJ6rpjTTg0hbWLxzlil6ZSn2mEae__gxb7fzgsI1mm5H.CGtc1Zk5VCUWDc60qDZ7pvHzglqxYMFIPuFcLhituqDYlCuYX1cNFNBBzwqR9DYv1e_IUlKJUNrusIoEG79C7N38Fl3X8WPuxq_XkPhJB37g.MDO1pBpsIeVzHiRg3oPbpJSZapPp1jmn8bdBbPW2P3sGeTjShW8XUsQA5pNRiSEgKGzxpIlFWh_0nMlOvGeMvFnMjH5Y1nGYygOD6.tn0zN04aQx1mA1nXBzHX0QJUCjkIADZ4CwP3Xv7ZJKgbjFBV0dAjpmKJ9_3iFoq8MB._kdjyUNoJuAKewKZTlGRz_kWFR1wJwm0FTqDh32lnQrPgEIaJOX5k.czjchU3dUmxvGJT7NdTcx_AQmqzmYnzuv92mtwWPAn5HvcU8IJ_SiGZ4M3UmQuKIJNZGjNfVIFq0dWSIF2Ye2KP6LMUiU6jVbGwA5tUoDfC3aYPu2LhGT3Nx2Emj6r0jrR1KwzI2tBlVtTjzlYNNq8dEH2lo5hKaAlthoPoCQAJzCekw6uwtbfQfAO8atszcO_wqDNJwcC_WhYBtDhi9kAPvVgoIwSr41nPHFgdTNYeV1.TqOL7PiF_JLSMKPQc4SqBVoO7riKDiK5a3fvoF.Rfim7PbJ7Yuj1pAchXhPZf4I2kBxNv2y4vulab.OTXbgEz27glFoR60WJj0Xcbb2kCg00FujkXn9_EUT1LO3jnusTKSAAIa4dTOquO5fNOcQlGlKWpmHaTm2kwQ2HtE0jyovFRkOv3tegLJ2jmmTfovCfl.aDMwApR6o.kRc48e4bV13peRLHdEe7WeMPFVUrdwHfRZ3fXyAw_iLL8A3s6Mtne3yW5DD1xJ9OdhJQcvlxqpxzqnih2r8cfNDcKQKkWrNR_J.WdaFz8ZAb8jJMCJx2iJEWd4QlwqG00ucPtS0ttAsG.cxLPcebw98nt7GABFgVobm5M9QhMFoiPtzGuBIAM0CT.gpbtSaoVua_g4Q.Vwc.Z_dn76a3VQwhCfMSs4PIUISmpLyX01xc_783R_uwFtqTNLu6EcNUOkEHiEDk9wohWiPrtbA5Mml_Zh6rdQKzMluTO3USSwGf2tYrQVEpih6nEaQxg5Vue9kGvZgVC7AAxTkAk6EZApoEK.d_WCp5jvuYTMdQSBQF7Xa5cZoGRBfv6LbqIdqxG1l7MBO_OyL69OoDtKlInGgfppMrbLdascjO8kskPWRAaWcrcHrzf939PL_x8DU.Uk3.jq0aqwmRCYL8oGoK4r7IkO9VQCM2w4pLjsSKqOY.ejUjzrYS.8hzC_bEQBVbpiyiCWGnK76a6xtDzSdxWjs48hPOLbeOT.MgIj6pkstlbX.ZbwuzEPuoKMSO983NRYS48GctG3LAfB5xXGzoBeSoCi5XWTVBjXECqo4Xt6bxRmDvicZZZ3RJPAmrWckeLGRDRBRtR7k8JY9o.PAEgw5D2kKMnGq_jyWQftIg.Ds"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb1ef2e8235764';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\/2346915870?__cf_chl_rt_tk=0a93U4J5xBPtxKwoKDDHrysFVFfSGR9n.IVkWO.K2Xo-1739180250-1.0.1.1-PxncxAjCnn6y8YUHNfgjTkqb1cd93oG5PVUBnKM3RLI" + 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