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-774397191871.mit-edu.top",cType: 'managed',cRay: '90f3ae6f1bab5a09',cH: 'ZdQAx.ah3w6LjuyooPruWIzdzd1JNHgQ4lLq_cSpPqY-1739102241-1.2.1.1-QmnuwITAkz58gmL9gmf0ULU7lwx2ZYNk.ViB5w8tXtMjXCTwGw8JXYe4MaOVbeqb',cUPMDTk: "\/post\/9210746583?__cf_chl_tk=HdPBUusj8.9aHm81TZaHHA2zD2G_tCe2twC7urlpI.k-1739102241-1.0.1.1-EP31upVS17js7WlWs.FoPpiNosyCQT_g12EtjpMtU30",cFPWv: 'g',cITimeS: '1739102241',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9210746583?__cf_chl_f_tk=HdPBUusj8.9aHm81TZaHHA2zD2G_tCe2twC7urlpI.k-1739102241-1.0.1.1-EP31upVS17js7WlWs.FoPpiNosyCQT_g12EtjpMtU30",md: "eIgoUqgU7ZY1RAl7TonBVN7JjlsQEzNxZ6Q2G4Hob1o-1739102241-1.2.1.1-v.5UeaRrTWAkY0g3tEak5DO0lAeTA.WU3h58H1UHMtfportrTnKVrihbkBmmBwpJlmmW55E6n.gObZJ9hzMYvCNoY9R_J70EsJZZ9PLXYz.CeocF2C5cuLVzKaUXpsHgmZ.tC0dDXK8ez8P3qDHvUB1h37_J9O4TDHiMlpmzfZxKO5XxsoJHTQ9nPGuqEcgnkRDQO4F2EJ7zgPsPxOa0u1ssw6GWBHifDxeBgGJMwf6ApkXtH99mN65ws69zKQ.KDPv0NTdvWtzWACHjOfv7NDwv4IWJjjzjHpTOoa0r96wODQkEFCFhZ76WvWK.ZOynjqatipMAWFVzrBpfeAxSqE0mNPT5qP0YeWYQgmBAdY58s_2WJq2jFoW5jmD9SSAE4q2Q0AMJdaIWgYq7l8_U_ZNGhANi_e60NE4rlvxTuLvhz6ZLPmxUuOCd3QkaY5E4uPQSyyN9BXkgfZu4445UwYky7KsQwo_zGHJTksSKdavrodBt7BY8XA9K6g6OrDauMJtnkZaur5TWT8HiIP1HmekyVHkgH1oEfnbC6Xo.rpuh0dPdIJsHXo1mn2SEfCZyfdGPdJlLpAYM71hhsvaqIaNZ_H81kIvhKm8usp._.a95CeqJEAEMCW5bkBHcE9KfxuGyYDBduev8BJ4QYVm4l5cRupCW.UhKgnt.Jx4sxkfhDIYp_A5chtuTLCPfzAvj2fDOzbrRkMSVcOCNHZuJQAbxrPbq60XfD9w1ve0bHCHKtnaIWq2MsDDA7NH8AV3ZLin6DGGpvKVYT_hR6QZsOEs98Ivf7UMvlpHNlAjIx0gSsT_TTig52KFcIN8f4G0MkbkkUig1eLapEiQp_9LJdFyIQH0vnctS4VwKLA2SbQdXKvxfHhdLvIs.s8Hj8uzhbvYn7XuwHAUTWDzqOwEDuE.W5wU.LCNSsokxjoKPt38ewYktetQ2degV56HX4A7j5gNuDMUO4OuYvP3abJOTgvxVlVo5qQRGXCWlCSbp_9C0W_iwX5CBZnoX.c4CWlAHF7chdGURPBybNBGI9Obs54SPpCOuQ4QLBIzFyi6rFN1TQjGTrGKVkGI0Fd6GZrg0wITMuXL2cRw7SOTQJ2jWnJnD1UtVzM.9rll7LJbL3dkhtR1Tjss..a6bssVTEz_IAv_N8rb.utgnimay78mXa1.q6e9K7Hchn6mUqVQslzocgOrABWGHB8TbDHFtfswTRfsWJ4vlqYByiOb.wuDfRqGL18Yk4fQW7zp9K3J3GeJBr6X2qNbiZb2fr1FIX2yphtgb62JFpm3cUbiRuJXlxvvJiYOTA36XD8PO2cUi7nObUgeQVpR1gOFNwUrAOwt4DAJ7Hi9rZwjnqdwXN9_KtMtCaZKVsdtPYhnP5532vhnRyaK5yrfngf1DYSTNx4Uaerg_0mKSStwf_hnq9OoNRKvJcNPbDTH8Y0OnJhOEIPXt.kJ4tmMneXevl.F9jxtYXfnHkfMKT4BdKPmvUAAWMxcqQba7kp.j9kzx7to9Lc.dIbt_O2spRhhcWe8DX5mfbkTcWZlL1ikYXjjoq38rG4ViIaGTJq6TquEwlYO9jRC5vorKhLXxCDsmi3GF.xEGp2iqtsyy_ZHyufw9l57CHwhof.C826pI1vgwss89S0f2ckWvTtDSuOwPsJVedhehqoz1hpCfK7wLXgdwHDYq2jzuqRkmwERSiwQVOxBmvMmud6KuJgqCxgureMtrXhC6kI0Ah85Sv55LrC5XeBmmwze6hPMPJu8yphNPijLjxQrpA5rWtWkqr2PZ_1Gn2CgVcESGI.i5S06txq9JpoBbbALdxSv2eEl7RJHZ.2me.SDUQZFQxcdhzbzwYhZ1GVs4wTESaHqEonJqUPtFgVy_BHKpzIo1BxhNEJ5LGS9FkASXdsRZSsuaUbuLGts_K6qBUZO3W0YKZRVIR1YGURodyXZqPAbhfojwCkvQAO5AgfIqD6zu_Ml8R0kUEEB9ZcoAaxf8MCCfz5sieLU69S6Em0qY0y6H8j.lFAD4wDCAI6tXY6tOrrOvpscHbrEHSMBW_sCzSPPNOnMEP9uOlI05ty1YslPwLdd7HPHDnPhBzQjFPXdROhBq6ziyXPhunewNkfFpVmLu6MUGeOjaLBrB_9GFsqZvjVyOgnQ905qnRSpc6cnb8v_5syqEF5nVoMLBn44RF2ZBkB60aQ_9gYt5vk6u1rtjRAK5siI_SDF0RPvvCOHsBm8.RBjtlH4bt5k8",mdrd: "wC_3RZ_K_wv1WJ.L03YqiseDHM7k3jzacwtMxj7qQYo-1739102241-1.2.1.1-KvASABy3qrQi_1Kc6b05zmPG21VfEO_aW1OQ34n7pT1dP03JzVDLLhxoEyKZe3Ka8IWt1uTRiie7bOp3cDCag2A6FHCHUZhZdiqN8yNzGb.3B41y0NWqo0nFrJKCxvfAUpDVsWIuokcZXqW6KuJaFed5mJ3p4R3XlYuvRNXmRl8KCvZWYcSgUyWx3GYTX5ec7YcUqrKJt1fVKBtSyVpPraVGj6LdTf2iAl2B6.aMZbGbZlKrU4L.bD1uZYhc_PU6vDXDj9kHfJOEYXdXSKDocITvaC6_Pq8uIJV_gv8NPEfyKDRXv8NJxnrtnEe4N9CIYAr6aScY.TuJ1c5UAhsRaDPp4T8rNmfbwJQTm0IZrV4XgJo..347i9GSYH57.mkncqVgEtmuau_0iPabObwR3MmfxvLvT8QKIFd9HTAz7El88MjnJFwa04tjL7jZCf2MgeCTOa3HJmxzfZh4jTBuOkTErlO3wAChzfGy2crUJ1oC.9C3DrY0QH9Pmugqu19vsvf1Uw7RITniEnLK9FfhmqFVwvN4ef2.W60WEzb2Iusnz4IAdnA8hNROgeyM.Kcbv36W11RVz20yMGlqeQV0nzgFt3aFMc2UELi2USxjnVYtHr5rmHZXPEm6E_snhWH9SBKq1PfrRq_lDMKpckDroGvk15T.gwIlqTm90MWKmLcIG84B8hDyl6gpMHBbEnoBDl4ojy6pKiLOyOBocDmoEedeOm_aLCmjMaTChjjhFFVF5i3Z7yLpmgSR1_ZyFssi3vUmyw6op0vGrAD9Tu5MW_Smn5ODtKBuZ2pc3UW_KOOoVomPSMqbQXlu4KYt_s0G5Zj3yRwbwmKhuWNrihxIVXTOrzqQng9dGYMvyxoWyKNIuAGDRv_3MEmouuBTqvZyWLDMOgD61ImcrODMHZVafdThk5rDqo927W43FmtThIPJNJcwLw5sganwzuG6hBLuyGhufAhK2F.kttg3hQ5jBjkVikUfF0bGSG.5wA402elNw1JfFtW5O.ohcm7Prlm5hUN1v4anjqQCOzAiiIb44hM185i.HYNAi109AjpWUuQXAwcBEyhNmhiyymCTVxk6Wyrt9U6rxoTbZNAOPJFJOH8PJUmajDVx4DAQ0cJ82AnWc0D0aLutjlsqpPLMIaEcDSyYhqH3MoOYHx1WO55Rt3McAFUBH_d9.xNsj4kETehrhn8jVlFr0NKwwlaotsdnI13o_89jRh0gE31zk4fy7Umfzv3dnlSTrID9ZEMADHSFjufvirDNKYGOozs6S0IF5IUegOmGf7fNsWd424LbrbxhIvUWT3U2OBpK48J7teY79u4fk6HSWf02qKxU_URoto.6zX9TG9aoUoMKyEdAE..9km.Bueif7GYHy8GUIF9NruQilB9ox_QT5yqqf54o.t0YwikikJqvje_ardU2CJO5lwxrzpkmHrVi9Bwmf40haG6_ekrhw5d2pz70PK2Q3JVAGYx01Awq7NFcUXmRDEIUyEP911rnUplrBOg_agx8fOPooxhkRLTZ63edciDU3P3PdmGdyVFDItyLYAWYFdTiu9HzfdkMIbNDDtvXf7XgPpdcRjdlbrBNQbdan9e9U_7SgEErmNnYxDwrz1lGQSriblYliwCPXXSFGrEg2V7evOUHWOZhKxQnbsk87c5.bf75qoFZJ9sHPaJPoEFWR896RvJjeZySwvlbPseKbDIBhxO4zknfE0JjoyZUt0Pd1lekjh9e3DbIDcAMRwBCNTfbNkgFbwQtituDKtD.JP04ye11pfUtohjnlUgkIFHZhPFV2IcG7C6g_5KwlQ9HM6p9I2EoY214J7z4s2KLOyg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3ae6f1bab5a09';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\/9210746583?__cf_chl_rt_tk=HdPBUusj8.9aHm81TZaHHA2zD2G_tCe2twC7urlpI.k-1739102241-1.0.1.1-EP31upVS17js7WlWs.FoPpiNosyCQT_g12EtjpMtU30" + 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
