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-534325304648.mit-edu.top",cType: 'managed',cRay: '90fcad20dbd5d653',cH: 'rmMQD8IyRXzI5f_ezwWrN3Da7LiVOpGM.CgD_kncZvE-1739196559-1.2.1.1-P.mPl2.jeUM7_PPuT_YlgugkKbTt.nTaBlEfkU8N0kpvgOzrHQ_bYKrDdo1Azf3P',cUPMDTk: "\/post\/2930576418?__cf_chl_tk=JzkVKwnMfSjhz31dIeqVBJkY16Od8dCZafLJssWC.VA-1739196559-1.0.1.1-kx3Ls9j5sebIg6NHIpNpTn6t_sjAprNcqC82.R9ED_A",cFPWv: 'g',cITimeS: '1739196559',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2930576418?__cf_chl_f_tk=JzkVKwnMfSjhz31dIeqVBJkY16Od8dCZafLJssWC.VA-1739196559-1.0.1.1-kx3Ls9j5sebIg6NHIpNpTn6t_sjAprNcqC82.R9ED_A",md: "nWrfrM18KjwJRZ0X44PpVmF0nyQQf42VIOUhJUXNa_k-1739196559-1.2.1.1-EsWq6rvBmPuHxcqAUzi5bdgPtyitzsagesI7hFUpqdde_j.7bQzrhB4ZZJ.13SWx7P_dLNaisxmzE0H4XW_mAEPOqsP.0liph3aW.ApKGsZP3XpDexupWffp8wKrogQrO3lTaXLmwZpJ5UTeTenjmMMyPSgWe8F3dr42LUnXaK50XCNqLZMfhTPFxxUomxuYlT4n9_k8fJJYwEAzmIUSe.ybQ99TgDrErSCpDRZLHuh.hAyM0ixnXlEyUs.DXAq2cCybd5S4CSkG5PNXOX.2vspCHEYxHTC9Oobs5O9uk2K4kCmrm8Oz1oe7oDBxND6R6_3NKeaVBuyLxYPKwws5H1CMA1xkLsJaZUmQhb3EsevXP1_VgQ_5LUsI7nAG_xAXJ2mL519bwYZv0tmb_Anj0EvJyf7DT8InevQuyb.jUDaw9trkVtLdM4PZ7m0viSTDkVnTZcpwJgNY.X3gQCjzf1YenuR44nC2q5ceaDqw2ANdE4tIqCPrlvp0PeEN64t4VsOC00tWOKHqYJBPWxS_HD8rcy__98YBGVK3izgfxm6gupmqLt4OCg._C1yBie_8_j6ehJ57zpp4MH505cDKfseji5EOzvNYGl2lyyCWU.Da6yUBCWgjP3P_IGbsckL7JJElqaQItIqFJFyEK93DapaolGQoS_GzRmb4vkdCemVgDYjXm__dVm.a1hu8R.wnFMZJQ5Nu5pbiy_eGCLCVWJX3vIervUL.tj6EhbQfpmrIZQnijrEGIPj3MSlgzY334N7qN_6r6oSJKt0BjeuYygTbDwGBrWf.w_cNdBgcoGBNFlyLLjcsCSuJil_KHMxmLQzgTmu_Kp6yjkn2RcomVN0oCmUumKXnsIqpvZoVpgt1bPRyY2j8kMhsqismdGKkppiCsodKj2uFvMOd.VCYsyqpv2PMG2dM9O.QJBfY4Vsm3J5woQDLPI4t.5jROXa6nQGNQipolwOLypxzqwP11FW1zeQvXIuYLqFVMsZGcFb_4q37XHIetmfFACMVCozrKQ6hlcAY6S0NiPQHl6eyj0J_6x3oD6gnKGnqkGu9fwGAUKiz92l94S4faBL9gV6TiSikiNKcF0xTMiyB.DZjr0yrKB.mlyyccBh2KybpbTyIMfRwub.qMW.NusCuBC7XEkKymnnqIUP9GawNtXj4zaXUvwHzOREdB8duEjeYLBOnVw4J9Cd2HTjyJSWgvVSztsvc5CAx5UW5Bj9nl710QK_Mo76ntILv1gVETZ52e123AgWWI_Qsf1MdRbYpNHbPXicMwUJTy1YIArN9bNvUIizOlJq5osc5OWnR_uZ83ebFr5UzhJPBrJT0htaSuTX0cvUvd2XT1Pt8zDS7NoXFTte5qB6vjxBTO_5ppuy8MKzdD1UhUSGgnWhc2RtZbhvuuSdlCSgGFAjaQ8m9DK7jfCFAQtvozGGLLZljaOBCwlaPCBPyH2QpcIF9yVtsTGafuXb6DKAOLGpeTr9BaulCCYcuml7Ok2RazdF8OzY4BY8zieQ0lmSPs9Qh9QUkOQt1DHhw8gSN5KR41Do_ZPvBqXoYRF9G_qsT.9d194JWVY2ty9Z2f4y7bVWpo_IxeK32kqNa4.aVLhce8FrqN4HA1t2Cc1Si6X0XM1RRrvqGwfTindjZnIdne_dvf8jEPCl5BMn2ICb8AuRasfKcspDTf6DpV7s50bKUib12oPrai95ok1ebgL9LbuEUPLyesQ5fmXBhg_7Fbeu8xbEtOMPz0VgqiIizBkSDqY2Rb68hLLgM97WlHmHX48AvJ8oqEdFt7Z8B.2llPD2uQeg9qcp0cxSuV27EIkvGuc.4a02gnzURPHneHiqZgsDwSBm0t9RHtR5uKeKT9a8bwRE3T7F.lmvZEYvJvgu0QvvxbgoChaCh2jMDYF5j8weGR5dA6fEQewEm3UDHx65QZIqQCTDLj7OSgu8iLZw0LRtHW65E7tDZgyq9WTft82vxU9PzK1Zc6cSCDKtUrr0NWP5SJ7yOum01YKrsXeoOJRAkdVVsLHFzVIrRmw8rhKZnxsvBjOsOLJ_Ps0iaP3Uvt5HiSFanI3sQLFGfAD8i6sNfeEPYu5WOsuND2KwSXxfJ8uuEQUJ6LHlmMhfXXrFzqk4shPBKKv_DGmoYpXnt1gYxWXliyg.qxls9Ej04R6E3YoZPn86jSiqwHHslcuudmDfJjbn1Fg8e0Iuuo76HPKOe04PxT8tmryYnzjOONGHf.ocaWKIs",mdrd: "IcedQRn17GV7E9G4trfTfK0BnUSZpiFIuFxASzFFoX4-1739196559-1.2.1.1-7T8mXkt3sQnYirDIuB8cbGE2QhCbtvog.pGbvwkRnP2mj_Lru5PbeXr8QXYole0hclBdRgFt1f9ZUABx.TJnYUCZ8.BZin_gKno2bdDsVHGiTMbLz7ajimFOF6Q7pEdzEDnZmueY31Qh4QTdyY1UuOz7GUUhLOdLVbzkLXgFyZn3l9Ia4GbkZANrGxJ9x6gpJkFZ8uf2VHFhprDdLhnhIOx3UALzYhWJR4kuQhdn9yJSNhML5AuxSpVNeEU25HqMqK6bkwHXTq..Ke5LXUIjOBRNX_LwqdjElVTnOrHU1vjT_I_xnsLdAUelXtZIU61SX8UXGZ6mDpl.0UaHBC3NN8LMQTxCm7l0kEjPnoT15kGKa4TbmERc7Fu43Tyx3izG1QjoWuXU_PWGeJhaNG1ePdY0Hs8XoSiz0.nAk6PV.jz0LnDhDc4Cvyn06T0MMGSRcmqFeHYWwZkyWjefJFdUxw0gMV.ma9g5ZqiOveHNH9Cus8p4k3bEhL4TfEU7XzVeg9sbFpY0krmoTauDxBgbh0zRNhAEI2tOXV9K5NTPYxCw3Xd7xnrtdsJUnnFnCLHYXRQ5WlK8l.j9RSAOqZbjZ23VsEm7ewBhnmY0d0JwfYBRiVOt33FOCWbEJZWNxcMuP0R2zFdfpDXMhBfgg1DSwG_qOwfVb3gWLbkf3cYVDl5SAQsgTXi5IrRYNAHFte5DSGzrpRawOIa7KdCLVzfG59SZMcnp_t0qqW2FQX0M.i.X4awvjbtvPOeCkaHCF1oRZkYs7e1H6.0rmHeRIzAQAYPPWTyCBWkUD2tgXpbcBFnfonHKs5NYzVrjZi3kuOQ8xZ7SiU9yUbGDmVl95Km9DACGhtVSTAqCwJpmk8v10TrRr1Fmm8ger4zTqolkV6srMWTOjQYwg3iaeh7MT1o.CuWha9r6qia.mWhRA6CGA4Jqm70pROkd6w4S0yA4j6cNhl0bTG2wwy_zz_Kvt0idvK0vthe_PAekvjlKZVTR2GPxXGACXFknbicFgQSZ6IVPs_jvVTqO5wA6n5h_iWJvA0U6HM5TJZKGo6NzhoI4MBKxNl2pE9uBOBhFajhgPi8TAPcPGwuuz1COsOVJFVndH1IUhdsk4ILPZpwMw5csa8pPNaye9aYhbFOsB8MQdVsErhbBT7oi0RfXE74Fs6u_ryrSMO0dpLgNgyrn3TSZxehI0c9AwyTD6zW7.LAQ0JgloLIYit3hHKI2X.YvR77YeF5qpapwPco8qLyoFdoljZaTL_Lq0DYF2_OKMtfDEdSH4U13q80kpINpsx30ipywwI3.6ExJ75gCOu3peoVWYS46hePM5PEiyyp3nlA9PXPF1HOvuaS3feVU9sxsJ1TfmlWOZEdyyCEuwOd9SMMqlfzWW37HAe36vL3qCOARJNu6LmQdp6NSagFtYJmSJEvA.jTcOOSlZ8UrONZSRnVZbCoa8sew.rTcT7.lgEzae0RPwlEqQ4tYpPYvRwykoX9muEVVktsDYBv2W2M4A02RIIEG1QU6qIESy.hySAKt0LkdGfR_4.2km4h4WjmvEOTL0NDK7ZJDT2UO8r4zHU.QXa8TrptT96bGKnJLU1ba4GqQ1EUuN370NaRdjQB9aWpn_8rDCfJXcBcYwlgP0yXA0wFZj3wj.i5P2O_x9Qc2_qvc8wuTt62yqP6NdPXTsyAl9fmRDhbO1oFRtp7NS6Alm6.T1gAKEvbrI1iXpuKNLXb7olWaVQk69qfNCv1PXzlhLIiYBe0bMYI72aoWuzcY8kv.E5EWJaUNAMWGjlxYgM4LpNwBBqlKrHxnKR76umHfNtwm_iibhwfHS0yfgj_RhPw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcad20dbd5d653';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\/2930576418?__cf_chl_rt_tk=JzkVKwnMfSjhz31dIeqVBJkY16Od8dCZafLJssWC.VA-1739196559-1.0.1.1-kx3Ls9j5sebIg6NHIpNpTn6t_sjAprNcqC82.R9ED_A" + 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