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-403485777434.mit-edu.top",cType: 'managed',cRay: '90f3c15419ff2421',cH: 'ToegmO1rBV0ip_cMIBEiQAJmTE.TREJ.nJmF1XuO3D8-1739103015-1.2.1.1-vN3eNYq9dTOiTMkcY6k595okQU4ew9uZte2Ny7rGdmdv7hhUUKLW4Q0H2jh7t6la',cUPMDTk: "\/post\/8195243760?__cf_chl_tk=ooDhCDb_jblkjSegJgb43Vde7sK7wsyqumVHld3ADn8-1739103015-1.0.1.1-cL4F0YOSp8d18VB36YheJr9L4vM.zk4N1VDaGJ9EsJk",cFPWv: 'g',cITimeS: '1739103015',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8195243760?__cf_chl_f_tk=ooDhCDb_jblkjSegJgb43Vde7sK7wsyqumVHld3ADn8-1739103015-1.0.1.1-cL4F0YOSp8d18VB36YheJr9L4vM.zk4N1VDaGJ9EsJk",md: "mhpq7NiFthRCNR2MEAGjzBnK_i_exqEj_PA2JtNRZqs-1739103015-1.2.1.1-SNGPIbfVQRJYV.92HuD8o3MqBtpunfYVdl.Njq3G4KNT7E8.LPqgNnzjZqt3bSe68gb7cSuSY8tKUYOX70pDxnn6qkZnFcdYWAml03HnMQVUnKuNayVPQ_8NQTh4bXZTm76wXrIkdPR2ZNH8sihH.fOOHaNAgpqqbSq4VZwF8eEEOBB8LdtutrAhHGx_05WlXmsOoqFh.RyKF3ZwzzvydIp0FZAqeQvfRnkJZUe_tN2vYy.uw71U67U4PVPuXsJQdPW9lHoDn23f_jJgEtAa4dUmuGohDm6aoy3E4Dn8mymZZP5dBM.qZr11ZA_o5oiepziK26fl2PDJOoh3ccYr2T2y.19m7_ECrNNLY0cXy6PMxunSsVqXS.QjS4PUI1bDrTdgfBPwhWuDwuUPqNrBs6wE0fjTm9madFTinZtk9uouRkjjJQso6sk37BCtmdgxJwKg67qzFHXxSo5ykF9OHW1X8dFGHNVI6Xc4k2kfIPAw.AxqdFQaC4GVGHdX9jS6GBS5i4GctFQS2gD3HS4pJYNrHFZQ1AEhZww6aNqnsHIs0fq7vL_J.dqUfmbIivAaZuTGvpys_kiR1w6GOSp1U3joYnpVx2.NAlQo6iWbIq3zHSiItpSg.FAQoJ0snZZ51OYJI7P4krpZFzan9scpiRfdB1UssA1rDQwMf0kTOIPhlk5ilDV_E9YUNrwtXFdlDxiQdbgoLO1QSysMsgsJ8XCAoyuT06ISF6Ee60NmdR_Daj9p7dyP4jsxLibke2mdf5K0i6yQyAWVKe.ZhMnsFuuMQ3HR6Yh4Oz.0Q1EZqI72X2zwgGxpejc4UQJNMTbVsFwxVlwGqY9KlpsdCHZQMJl6JLJWNzxX5eKK0x3DCdum5EQII2WTe1YnB_4zSNVXM2Xv4mK4l2Llo8oeLiglrsgsQJErVEj9i8_h0Gha3GOf.rRGrCE9cYwRRqNW3dTbC6aIPBVMy7ttMkhL5YN2kGf8eST6sYrPWyY1LeAoaMPcMmbTaEkZhKaN8VOWFsQ0xxCYcEOBRyxBr255i60RcTuxK7PrOw0Nq.PjpV9Mm8aqAHUuvJDVOFxMR5cwdwuEbVMjNr62oE3U5NPAw5N4r2dbVMTOPzoDiYYEzIBqlhvIlVZYXhvyPkKudjMlum0pw7nssCxx_wxrhPbtimIt6K0OL5pr9vXxTvatQaRdWq3Af9yOhomBFDeK0UDAQ_5uZJd4mhqOphB7FxMa.jXvhUgzI9YY0EUhatUkcjkWq_QE16MCFhukWkaIO5Src4mk7HhN5I5vZQujjqw292x6tIBMu6AHWMVtSBT7EuGEj42.1IsyfVPQZ1R6bnEEPIhZb9DgkBLXRc53tN8irpzi0G.5lLoazFtMska4abPQaKI99oMrAsDgbIwrJEIxsCcntmUeqh_zDcEENB7pmW61wea06BWkdoKBcdyeUGzaO4BFnMlN7XP6f2y8.Iqy2iPQxlDNxiKRLacs4oOOmsMIYjZczdsRd76HBWTceNFwtDbU.onHNl9spCfdEpsSPKOovznpGOhzK62lHpaGMLjhhe2uEMRpJh21Vhetkcrz3v4O89hFbqMHV7LNZGAEY_L_5ursDeN2gRw0LiN9sE_i05VloWPSBRxDDGdAaaGuTdtwo6nyhmjOWdwpuaklfGXzVYH.ralTxWZhj6nV7iE5.8gVdhGpjj.HnJyVBcKSfGnIkUTFRTot9mR57evHI_LT6HOgiHy2eyKutd8gKXH.P4kz6rbntE0Vhkn7GtJzMJEqe0EG1UymxoohKQoO.JTY7ZiUtfOw4CSRuBhc2S7Ehx26WHKJXr00wem1WKB8Hkv4KoSZXAl7BTQMH.4gEYjugtFYuFYx0kn5YcvgeHOBptHjuZShe8umLPTkVjI8T.0GQGRzRkm9bhKOhmgoIJvHnOgUT6.E8fNibGWhlGNuJ1opUZfF.bku3RZcahVolykbPiwVR8haUWiypVQWRneZGzV9ycZyKUPgbtk2sEJWwkVMbveWIZLFUaABM34ZHVBypzKlQx2lE33ayQUq4sUWHdT1sjsmAve5Zp0ZdG5S4AW5blOoE_9W6RKJ8ejdF8lz4xEYqH7AItMtbAxqtpdHLooh7kT60jIZK.Gsc0yXgZSifpvZaAVqRurw7H7cMn8DCKtS1sApfhyX7VMy.Ev9bUu5JF8HfnlDgUMrhx0K.dot1Nugg2t_Bwubxyfhwqo52YPdlnnrZqms1HdAx9bk",mdrd: "A0rJh2l25ry5G2ZrfUuDNaM9mQ1mrgebY7qNDHczr.E-1739103015-1.2.1.1-yGrSbChPkr6weke1jvz7gdTlqbozrIUULIhdcAC536_dE9QsZz6qGNj2SOUmO_0F1fbBfyDvTaoENAPauYIWnOl5Ihk2PkEg5OoFWFLZ6h_5tJhKYAoaAKhIc8cuZkcGDgXPyy0vtZQebmghnRF6I_gSvQjUm6yNJPkrLN7O_bv8mUv8bfCqju.ZGnr5vg6LXYAL4lw4g1ITHCvCJO7HtWI_oKlzjl8yQsebAaxFNwb6jQFrnUmx6dgDlgrXUr62icD5oEySXcuF5DaENAj_tVnSHLoxzUf90kLfWgWWXXItueU_DBmOgqd0OypYmq_t6hL7C1gEE0r_sMyOBYR1_BPGMmKGd5rHPhEJZtCLTms25o2SJuBaXTBzxGMIVa649flk8NR8Xh_Ax44Imh2JG4eUYUSKzoWxb.9S7Sy.O6yjMd9pMCLjVxlYygdduIk8H7q1YN2M6Mhk.VKD6PjF6a5xmQTgi9IoD8eJozzsuTRBTzh0h519L0NGovB0UBbVyUC9KIGwXwsxknzdOeTAfWOW0s00NlRRNbyblAMsaR1kPQDbn_DWbBs6WAsn78FkJ8.bYq41T3NzyiWHBwx8P8N_sm.RDb51kLjjoyegSMIAUIWWaANe2k_WRgRum2Gi3CE6PwJ0Xt7igQaKoLRdiNv850g81gXc9IVKWDFazahzoJnRK7Mw1xFhaeModrzQwsiAD33EM31OQoB4zKrF5uZPljSeUTKkFMIcbtOTBrtvZ9KItQvln8_l1K5O8NTyV4bQdBlozvSwD22v9qMdCU7YvL5bUGgTX5EfCp047m15N3KLvZVZvi_OpGbYOjrdw0oCyVby4VNaKMlVmdPo1vJ04cthxCfxoJLbcUhWEFBe8Qik4Mkg5UE800qUy3A6P7yjDtWwxob2eAjHwZJ9MefTLnEFQFlMpvTKCmC_oWXRxrujPcWz2kHu70SEqxgD1afQRJWzuB8s0FNsQydA2xxVZq7T9wPQFJHiGfu5gH32gsAZDeYaa0tG6f40rIXDxPGUAU9t3BBe_QSaUn87o2tHyzstdOAmU8.hwxbBDlk9P_fNgCQTgolaCtmcspQ0Tg_lpNVfzfMHJq.ueJllJvgEWY3kcB_llfAcDDOYwrvCZdWTgnHQrvNkIOLrI0_ayi6KIwFFHA1YCaXyfm0.BVWEYNBwNguljw2P3c7.es2qcgEnHmIVEdbiXUcSYBLdt1zT.BhAqQzMyEmwEtG4xDKn3Om5Jv1Vq8c..NhMKdm0sJbIPDss4ShnEBEK4HrjQ9Jz.1u0eL0BiYr4mWhfSDQf7UG.0cAp5Q5b1f_zsA4pG87732Tmx6JfyWPXAdxD8xbH1kX3afulGeflwkWalxiyqYyiuIcim1szlYUb0vrwH0X.5ZgIJZP.ClE64N_rpJjnNgmEv9mv0kCbnGpm.wQZoyRgcEODB2IU_NEs6BEh15Xied2_6JKvFXc.2PvOzPUZP4NAl3DThTEQVDzNdJwmQU4xzaPFaTfp2aXKUPoDGH.Is.LnpN6ZDTtwA8cuJkiKB2j1F2sHhxtQzxo7Eq4i3kFBp9MGAacDpK8TbpVX_winnnS3vlZmqXfeiuLTeGfUtWILHWJqv4jPfmlJF7XP5T9rJP9TJuH.0pWi3JsQIeMzBS46Yq9AWpqOcphjNHvouJTLZdQU2LCOm4OGd4KbXTNpDoxgXUeIackUIb.gUNyWdFcFPFfUMRXnMyBDpshJRR6wS0VFqsE2h2hNIFitDV7TbR5Va5yc9bTw1CkCbaJ2hZ2cDqb51ooWYDltJ3sOVBxTGz41lcELSAGv1w"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3c15419ff2421';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\/8195243760?__cf_chl_rt_tk=ooDhCDb_jblkjSegJgb43Vde7sK7wsyqumVHld3ADn8-1739103015-1.0.1.1-cL4F0YOSp8d18VB36YheJr9L4vM.zk4N1VDaGJ9EsJk" + 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