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-063495764608.mit-edu.top",cType: 'managed',cRay: '90f82826eb4807bc',cH: 'iCx6jnrBwA8qpWoualp30UjZrkM91dKvUoDgTc3PTag-1739149169-1.2.1.1-PRVuYu4nl4H3vKSGHcYlFBaw1inaq2jNwD_2DwNjgj7S8yw4rtHtRWJZVzxREMOR',cUPMDTk: "\/post\/3780259416?__cf_chl_tk=ZNnz2VGfY3znnS.NVQ.gfD0hax1cYGW9eumWz5f30uo-1739149169-1.0.1.1-umkWJ8z2saIyo2qP7UA5IOfNUiiZiGiAvsZk3eOzERA",cFPWv: 'g',cITimeS: '1739149169',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3780259416?__cf_chl_f_tk=ZNnz2VGfY3znnS.NVQ.gfD0hax1cYGW9eumWz5f30uo-1739149169-1.0.1.1-umkWJ8z2saIyo2qP7UA5IOfNUiiZiGiAvsZk3eOzERA",md: "Eqv919D3fCP.8Bi1dMQrWrPpAGWQW0rJId_g5Dsbjtc-1739149169-1.2.1.1-xUtIihk.aNMdlW0To2mD7PAWE8xoh5TPkSOOnTSqo9VAqn938_rNownPtCcJEFcZElv_WCYv0w86QX6.fFjoOC4LYnohqFZI8Sc4vBbDaoKkp8l8v6Gs1A3nxD5P4FVJR5WAkEqr.IjoRI90w_xjn9306jJcIuaFKrPSmGSiJl.igwCYFrJ9CXoezdXi0n4aM8hAMbTGkS6dm58_uw_O1la0ReStiVOFoZE8hKvSwQpUTrXAggpCxzg6QryGX5G7AJcOFI58HovSAFzCUTSXacL5k2pcn9KC7t1.ThZp9CFfD2Mbv_AogSTmcAq3J_ePjTpVheNon8guQvEmuuQ_M6kdEVSLF06QBx_8pUKt6zKPB_V.m1j4MO7NYBpfvK67kpdKH3yUGCirL2Dx8byqdEjKSN7qgdHacFLEzr7VbgObm7Tga9IbYBz_et3zVB55TV4YEvW7JvhdwvSaKemVi.QD8NFlyRhpswSOT23cDzaMz71pjjKS619AL63Fw76g9bjUQviYApTdm.Ij.XnXB4UXe2QFkOPcwcTXhA3rEgSpdjS8TkKWtGqW1vz44MLxJtW1cyeNO58CJfQCClyk1q7vGPMxj8si1PI4jhpE7xW7O46HKJo8lRnmVyERnxjuRZi9H1skynJz_aQTxeGpbZjZIptzA.iVh5OjcnoZy0hdHc74IHAIqj67V89cl512p2VSQf1kPDNIkQmOXPL9v9JR4VcSco2NZAQ3yO1HxVJH6SFC843A5W8rRvSHs5Se.7KaWShLTztnUs_dlkvInAxnDM6vcUtJRacSwseaaOhdHNkgZQX0j9_lW3Dm2tA5oJCS7xZ8LUZMl3pjYUmxzNOphRaQvQkwd4q2kcNWymiQVOSdAi1bVJOGQQeS1wu0L5u9zPtJm.x6EoFYoyvwo6BXMPt8gn_PYBJ5odsizJnlNgVIC4LdRWGd7WFsRRSa1xc2yJtADnStSoRTqByAvKAsiBOKXkzQZDLBmvP7uKwj5SmCRAngT_D8vRTRlSEWJC85qM1RI4ZlDV2N8G9eZ7igIlTzDSNDzN2PIpzIQKM3e4GBWGDfAQ1UDvbMu2OAtpoyP4DChdimK9qqC2jXFl9AwDEOvBYNTa.FttMiKkd8v5pQJOQQHiRgyu50hNfieugqxUYcwfI18.v6VZimEk95L2DdekVfJt.OC8Wo3BmEHeHCIyUMtlpK5pe9L3YD0HoBHDJx5Mp8lHojuCiaPDrTHCSZCzSPYjiD2SxFFGKCyRUQWWb.iRWNeRbpyZMdPGEuwUGXmhQXzoONjbdnP8albZW1.aguOK4cJ5zPC_jItdw6o0hrH7P4NEq.prnFx6qDlLkXd7fpHh0oBVXB6pit7OMFX2u4Uf0SZWdLbmj4ztQaugcSq..ieDeRJKJcC9mfQ2M7sliHjvBDGPDFbm.9VEvY817nsHm7e7xr.nzj9WY2_628nKz_d3KSvLkdTSSwEkMrU.A2TGWGZ4JKo.2rShbiINij2ODc.o_ZL5aWrlT8pX2hF.NJNsKmaqZYRy9cDLxHY2fXXhChDrdsGEV_jEgcxbCCemqWV.SbwrhwZpZAZeRst5Gdzf0uVdZ7KQ683SnQP7p_tn2L5swA3d3nISxGKKUfMwnt9RbXKklydtqsMOnQgsuzatGd4oQprg9uHNtApg5j4H3WnKiGlSSXHRxKoOp8Ce4AM19CUEh.Z3BdKhUvR5E6uhj6m88eevjNvv9XA_.WZjo54NKQLO5KJoWkWQrdiH6EDrFD8uci0vDoMk3_5FDEWA4ErU6v2N7.rM6ocmtNhw481s3IZ1RvOl2jogvmSUgbP6_4UGJWRkgoXUvLxAl3vm68Ef4kU.UHb1QFfxrA681gPe3CChtZnEKGfmPmT8XeuJvXImhd_CGH5pnbadr8kZMP_WamNdoTpBdAmbFK9L20QwTwqZpRKFW.oC6CAFl1Uw8p7GMElhL4lkPgrsb7NIdsKragyJgoWHr5H_PWBHjw0f8cFEKbakIF4wRImbWL7Nl9nbLQI_oIdBW4d0qzBGTaab5VgZubsMbJuT7jkcavbmjUdL_ZsQvJN0qhpZWjhHugWxGlB2wjcsCcRwPmvQwMIs7SXiO3wdpHVruYywBqeqk3NvjY1A_4vGOD__iknSUPzONqOPEFA6SgQxzTBOaHYFt1s_fFDp5kAVf7c5xqHnBnZ7KNBGXiYMaL.LXufEyCrOC5h7CrxffUESNqlvHd2I7e",mdrd: "BzM_ezI1UM51ul6slgdF16p6e9or9QzJ9tXuSGCYVrc-1739149169-1.2.1.1-GpN3V.kHjNMD_KtTfexP3taFi0XBcZ15KImXqK5PMbgEVaZJWeqKA5OUg_rFFPfomTCYqRf11V4nDIE2G_lKJz9qdqbcheAludcub.kRTno6WRkBlAxKPoRngB6E8KZZ.ZB5PnYS71DxtjKtXlWYEQKcOUwIeU4C12_2Nx8_BApukZ5rWN1AIWfHAaHx7ZMQxcX2nZpL7.e_b4p4Cox4bG7Q2uNgRBZ.lcu96HiCDQt8_hzMPNE224Zx1uBgydpN3mobdQypzSoRcikx5.mPf4V4oGaeIwSVJP0nJRce_Ysy.i9nwxehm2c1OBizRkfWcQoZXyhiWqlf.t3wynrCHaoBvD7e7ybXWHEiK1n11sfAoMdAAnNmGT7LTKaGN8uDAjIVC4FNlfSC6JA.uN9Cl.7CjCFULi64b_xbbP9uTsX16K6JWXgYO1Tu2m8kdo__f0yVImR396xtvf_mS8eqdKJ7FzfFLL1mDskJ467kTnXpaNqdG2ZSo6.Gwc_Vx4NQ37j97ELj9Qzz2bPlUXOhIFTBtgrS1vZBBZJbu0F8sVSHWI_ihasXrX0kF_EgUrIQZ_lEugORNgQ3_cPbF2QLjkhXwcaX1Jmux3Ufhaiio7XXIpI.Z07EysNyiMkiXljhPz4MJIPbCqvjA_UjpWeONuVISo.ESzpUU6xO_2U3ESefvJUjhNKG2rkef9BO2ul7Kc.aiZ8D4a7fIz36ha577eWelvjJpry7dHGVFxBRAgmx_045HuzIxH6lVVnwjk9CwiLMBoTIYLvSbZ9yULew._Ql.XHXPROR.VqFcvVyBOPAKj5JuEClSHHjManmEr.ejotxMFJMgS5.pGHhLjulvF5YYKcL4fXKH.985s.9vXpsBoIW7KlPykTNgo8PCn3Pekoq9oHJGyFavWG4Qjwf.9vV9AZ7FJcZBjCUi6GIjJppvdbFfDXhMfxwxBN.JWCk6LjsBY4hOTM1sG_9Om1YTHj_ZTGObchNacjo6By.9Z7ZKds6GOAMzZxX7CLjvulcL3ii7SZRwDuqVvyT2tmi0V2gf3Put63.eo0gFDxgzEjWPQ3_5RizaLtmm93l936npPNfOD_mrWEJtC5Rgqt8pUhU0ZsdRKJ_K_.Ffchw7SXaPpKYLNkKSIce3rqvYWumCQd_DH1rTe47ifSddjdtm4f7VKw_ZDueqEUgaEgBJQn8U9BqgVtoPaG4AI8QpaVs596YfZnmeafzp3PqkkW3pbkAZZRcukmG5oVtA6X_G9NpSsHYkLxu4ykgalv_Cyc4pp4H1zsiBoPR5NHvSLgsEOFQTRli0lZKO7m9cDyBjXDZt6emZ968_sIbCtJqFRZNWiGu59HusxycXlSy6ZuIGVm9B4TRe5_JXsAekkINdXz7k2K7OHWPxYxmGYrjtI5VIRxFu0nrPgLSngWnE3LAP_RTfWz8f9F1WBCeDCNXtHaSZNBkeiSRJtUxgnAwBB1xPsyynt6BtiWw5_wLo9iRFp9tAXI3jvgPFiZJxzmytMwVNVuv6XyglmlEF2KLRwbpij7zwLAZIiulVPH0z7Vdak85uA.Oqjc9f8h8TswIAyfnaGlIk5NgU1GmxSxV9_jNx2T3ksTablsc9i3egy9Y1JGXEYq1k9yb4Cszgdv1LiI6Zj.ADOoXSaUrD0XCN6h94w.WraFqWu9xFvjf64fNhjGXmTORG0ooq55ElVhYN3urloizubcI4T1TxdHFphSW9FyVWA57WNcpz2tCpZpwUdY9coZxrgYHhq6ytObiGPZewdcM0DCaG9YuOAE1xds7Es3kb03o9WoVEamadzar_XjSYpUFM5.93rfbL.w4zFg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f82826eb4807bc';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\/3780259416?__cf_chl_rt_tk=ZNnz2VGfY3znnS.NVQ.gfD0hax1cYGW9eumWz5f30uo-1739149169-1.0.1.1-umkWJ8z2saIyo2qP7UA5IOfNUiiZiGiAvsZk3eOzERA" + 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
