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-258237397733.mit-edu.top",cType: 'managed',cRay: '90fbdb8ed8a5d62f',cH: '3GmSgjqz9BNX3Id3jVsO09m1OI2q83DIyP5hWr_TR7k-1739187975-1.2.1.1-ML6HVyllMYeGpymjYG7ZoktLwtn8Sj_dUh65nkd98JbL5g.UzmlYvBFHbhgHduUs',cUPMDTk: "\/post\/0473581962?__cf_chl_tk=6pKxMsuk7pTd6MggdOLFjoCBcH1OQoo2qT69jrG2Hwc-1739187975-1.0.1.1-QQEHBCPN7dYNG7wWmuZI0hbwewLHVVtUPGsFuqV50xk",cFPWv: 'g',cITimeS: '1739187975',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0473581962?__cf_chl_f_tk=6pKxMsuk7pTd6MggdOLFjoCBcH1OQoo2qT69jrG2Hwc-1739187975-1.0.1.1-QQEHBCPN7dYNG7wWmuZI0hbwewLHVVtUPGsFuqV50xk",md: "R8FmLvv1Ugjq4thJLd0yXIKt0U1rED7IRsCWUnWe6V0-1739187975-1.2.1.1-b6rmiTbU.KU8bkjOwh_tSHaNKyv1oC2wDGCsYjPY2kZuu6pd_GtychlaDQjUoG.h7nhDpl_tJE7eY71vSWODDCW1XYOpve9yKvKoPooHgEcQUcy2YQd5zTFFQNhy6Pin7Wm75vj3YyuwT8tPlT8mmmUY_K5W.Wefrh.63Vu7x2Wt2reavCPbvLL4Pnd13SbVVWZNRgU49BgcipWCZR9NVLjnqgc1_MQ.7iefPpDel5F7wp3pxe1TkeEtgmdRnxhvxK4hRTUkjxJfNGXQlzTKjHWJGbhqPj611uTP.RAgIl.ZR8N6eW1zYsoHyXVRtBvOmVWvEHbrPYGeTqaad5A9YZ6mnXX9XJXucNWTnaFX9ZzWj9HQrEwtQD5jMtJwMZMngNWs31lJ06GRu1bwkFilFBX4st4zkJS_5iFVsBpEWTcG_tXeAdc7k1vpDrrNl5DXSXMb4yLBYqvsnlLFx8Es4hrVWfU5hpeJRf24MDpSYSzB4p0jvQYq_aOwNFi3RT2qzsOccdH5pV7cu0RehRrpV.yfQslMFKfLE23wfGGAbWlnkHjXp2HLzV1TerQrq50vayJIL4dYfuunQUB1rd.2IRNsXVP5bZkWKm7wMp4Lv7PDqW_X8dCduMGyEeP50xwvyWb7Rh1Fla5Tfor7pW34vKi_3Fa5TSMQrZ3xxNroNfFUeeiC41ZAebOGoVWLOJHUvTwqzvmneplX9Dt7lVhTQuhIba0DMmb4RwACOqFu.STT0TI7VwfeCf9EgQfa6_cQL87EAu7HqmUvn5FspswlZjvMby4zSdQzlbG.kw0_3QrM7J4rziEoi92.qamBaH6HPo3FHfjB9CvpnXzuSoqGqBFVXkyUYqqZUnBWihd6IlUjUnVEVu3tQs07R8tKN6NwvnDFdn2fKxszly8ELL50cwbHw9ETNZ_xd7rJ7uyqus.E2l5lrhDWcPKSuAVSJs0TcJQWtgr3OcYKHM7g2lOLxsDWWOLNPRC2vSZOrzqHEsK.Qlwi.2emDZkaGcW5ERf6um9IXB0clYuitoBvuBsBUulxGwbRZ3WPfXpH7gwaPrLVbwEF0ho7Fjlq65bWQTCZOUKJfjSmm.YnN82ZmZCKzId5r9nKh37BxocfSGFtRgBprXetoGif81gExrL7CBNRqFmx2y0NFz2_dcbHc4mK_enl.QzduZA2vYKB0CXCbjmsgsUvuA3W2yOZzE94cTO8jZQ75Ak0rfWFCG6QZb_uVYsL52p2VzyD1WfLsVLB4_UMa5j5d.hHlFawrWAzwM2TDqY4nqi81yn9pE3x3XmywpoVjTS8Tiep1lHD2TSnjlZhsi7J1sGwiP2UlWczfwWN2raIOqf_e0cgEvKcHBcmOCgQo9xscvoIPnp_yfDk1IPtKMDdP1aRcP_FBNr8ID51dLMvzD1JlpOgE7S_EXwYSl0.2e4zVUUAbmMfXFJ.4ZsxffcoHP2cQIDqBZ1J4aOWGHv6W5jAx.qA2MChghTHKBSInN1sfnPfCTa.yiv.wgkEPuwB.PLBnoz7LSrtv3Fqn1C2P76TrLf1X0wWA11fLQEIl9RmilxtIFSK.hUrxiQcarPfg0FSiY_PvTJuqnwDcLV0xnfPCmKtfJ_HlwRfJw9hVpbjvapytcY4DMZR1RTWpOnF16jJgX.GBG5AqDGqC25HP7V37xvcQNa.HThjhPCWut4gDNpV7fUEahglrXvXnFEsbbcA1hUBvKbEnF005bBO3FwzKXwEcRD2Q9.7GuwTuH4lpUxZ5TUgDMdO1CgNRN.usP3cZu1h_BqoGemIyU.fJ.zbWm0lqm_TzcsszU1E31fkiNbtlD_86mMb8zAwqiKaI_Shn7_qUYoz8B.tGOA1ob2yxtyyghsSjVn07GGxY0lZ0cHhQGEiQwv_qAELA1FzoqkJf7e4WpYrYLvj8nVkiX4CnKyzUIYf6P54trWOM3hpwk.pJkQHzq5jB7rqv92WezhU_z6gNXm18tbneAs94g2Mmrwvoggyk.cRyTmPeIHGqbJVnxWku6esahhKUoHcfzEeXfVxGTFLQoMHQh.SPvjbolGxz9GtqD7jJnq6Z9BjntdjtOLN9Kla6rHmsUn.BijoZHS6B5AY2XKXXSx5BIOQsNZAdFdKPs.RleKXTuhlxBCZLUHs1NHdQ4jlK_jJxdqbnrcVsCEr9N70jvkeUPJV7PHrucab7tDKUJQ2iTDL.37T521bNwmySEoiLJxTfXgqp0VMt097TiOB",mdrd: "cyuUgsdn9WvoHVf7l.HfnHfNAodWY8_2p33n1M0FPPg-1739187975-1.2.1.1-LKcH.GfIZZcniuWJ5cGKzgNFv7SLZopKxkpxPJY0w0PxpxqtJQfyrDeeQj5m8gz8oOZGoG0JDPFcWooYC50NuiWXeqTJmBhMRxQnpEgNRdMhFRHcEhobVV2jmtUPfe.Sh0c97k8EjkRdnzOwGbiCdj6UQLCOloOp5pRi76MSIeVIzYkz_qWYZ7ZCi6qwoP3UdY8kO278zditR4c8CWijga6hn235KyVOvZ32uCQMlVt1OGlyrrVdH7BPTDWa9CaphHj2Km_P0riA9FsOmGClPum7XpW8zHkbG6Kan_0YvzV94GH7ZI.gHFwW5W2tTZe7bcHbdLzvapydGa2rJJkA.EReKOIyP3N3F6zX752jHAXoOKwXb7dDffXojgHhv_Y0frJWoS5WMKGvXaEg.1InLqk.tQiaA1ZI9RuW1VsgD5z_m15dCdApvqirSXT7awKUEvMPXTwXXao8D4.F2s7cCnHtpQGKA5co6AjtuKDl8DyNCgdMVsIMZyis_siCGLauNwgoemOtsMT54Kde9tnPx_fYM91IGqtKZF.vjFzHYW7ikVN4TdHDiNS.7BaNxyE4JdhHDNobuqfaqiflvSYPOhNMQBDE6GlMxL2NH4Z18jC8siyJnLXu_FjLRncWjeWKatR1c1iui3LmFgk3zxtKMesbsIZ.KAWUTO1VWqtD7afD7PEyh4tVdAuL3XQOZ.1r8Yftf09pezVgO6R89PpP1aauQ2w6n.Z0BzNcngw_uthQ08Jam3j995j6Wid9UnpDKDXyQuBETYBSIk4WipBRY9CJuPD4BVPoS.982GBog8UPu7xdcdlicAC9uTc55xSL5NII2lugbGmejF5HaXOrNe_tSritQiB9Pbj8CccuZP8ISqlikBQcvcE83mhoa3MK6pn2LYiA.CROi4HDKZje4t3.H4_9SJDpk3qMrqFi_DwaOg9xhGcdmAa2GzpFt3ZBx_41Ncgu15sj24cf2PEQtCCf8ztugNlq_QpzLOJUoA5FQ5KkAV4.035P8xvooYUyyLJPNCVywSdF4SJeOtGM7ZdG9_N4BWXznIvXFCr0w3K4m0TZ2ZnzQrTjrIbZhrnzHoiWs1PExSDcgsEzGkD2GwTx69XGV5_OEOiLBRD1HTCmN05oeGScBGIyqSOCR4806LP0KE6t72_HsHb4hWyb6Zd4H3ebvzwUrG3FiM_6g9Hdc_zvPW4Wv2vCnWcIEhIHDYNfbW4ZVQ1j40dWqtqKo5jzZv1.7NbzfNslfNibL0liCoAOX87JTdh8mJwa2WGARRBA0LqrWSFVK3MYpMuN70wjkpgTjSl.tjJ_rc8LiOPJqsFfUYGGR3Y4xe9vW49B15LVK6KdIgZAZMsg.A8c_Cjk4HgGK4GBIGGCu_zpD9RE0dWz.U.8JJPfQIqi5AjYWpxvfKj1JrFQHMjtKZrDffnMg0JcR23AjHGivRs5SZkIWm4NH5x.8mFui8wDdIC7uEnghHn0ntCKlp9IYXSjf4pA7YFT.254xjZtN.ssbi86n3b3baMfuTW9igE.ks.EhgZwCmwbrGPQ7pY2ZhQRnODkiKpe0B2ynB8AQHAe7EiJ0I9HVKug8CX59H1GkvxccT7uVTlMEJ1x1jPelGPyFAPBw1e2FuBTm6P0nF5JbzBX0_0lUXwYlI5YgsEe0XGzbq5.uZdTbrPzyDmQ8Zvo4I7Wg5yl73vLsygEQFHsbjvQHth.UXEx9KZTKzbHs5LxDJGR.0fkeM3_EfNWDEVtYe4LF5PZFw4TAcJdz.Ko9z9Opn0E6IfOaIk8IgqDVh4RIx8ShBxbP_dqkf.qhsH1qWSkdINbqSqzAXpFg73nsoQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbdb8ed8a5d62f';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\/0473581962?__cf_chl_rt_tk=6pKxMsuk7pTd6MggdOLFjoCBcH1OQoo2qT69jrG2Hwc-1739187975-1.0.1.1-QQEHBCPN7dYNG7wWmuZI0hbwewLHVVtUPGsFuqV50xk" + 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