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-353482657016.mit-edu.top",cType: 'managed',cRay: '910661139a7cd701',cH: 'ddSg2WCTlSKpauWEfqF9IpYkn6e_gGYfWmh9w7bsOX8-1739298302-1.2.1.1-BbEzDgp.bdjNt_CAjO2M.rvbfnkDOw36aIUPJ8phV_peYa2CeYaORuh4wt8E.TUV',cUPMDTk: "\/post\/5379284610?__cf_chl_tk=rcis96Lb6kY_M_qiAgJURZ5UaGB4GOJ5YIkj1xCfaNo-1739298302-1.0.1.1-4h44CLxj7__T6XSuMn81vfwh6.i5uZZqwJSWEprME4Y",cFPWv: 'g',cITimeS: '1739298302',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5379284610?__cf_chl_f_tk=rcis96Lb6kY_M_qiAgJURZ5UaGB4GOJ5YIkj1xCfaNo-1739298302-1.0.1.1-4h44CLxj7__T6XSuMn81vfwh6.i5uZZqwJSWEprME4Y",md: "6Bvyqdg8st8dPDInqRt9c32uUanm4GgX_newDi31HRA-1739298302-1.2.1.1-LWsZA79Zhu.U8oIGFsAlIeV623Uha_NaZOTavzWyeDCzOD_eNwoWXq6YNg4g06xZzOPdIue_JH9yFZML0f_zRWI1LiHmMemJEAjUtjprtruOkUCIR.hw3jrrX19CAmrIels2_d1pXFLcfnCK7yPViFacablUoKObDhPQMLkZWCp_Y7kRHNEpzghF9KGHpa40FTmS8bXj59PcWGRBl03gcmckM34ZdBltN_s3gEHYjiXnKot0YFGI4sYHWQVYB1FTTrAI28rCm7FxjyoC733o4hzMZYID.fNi8u0zcBtt5aIfNy0Wtr4GWrF3gZ2HnfVFe4eGUPIdjLP_XMCAkS6TRnqQQypmIyPgrgP5ZQf0ZAgaSky1mtViepmh4eR5i4M77s5jM_W..elCFdtSpvSwWugJUDkkkz3wGmCVCLXgVxG3ldu0OX9CBLmWy7gxyhpetjzJmXLqDzv.3eaQNZVb5bo5mhvJ1piUdGpqe6ZEg1KEhO26qRNLqe72ulbKgixpfR2MgPap7AOdKAux5i18iQ.Y7f5L68OMpaUhKj6JK4PCqH66PLlRuDi7IqJgfc2rvU9LRgXJayGxtLIMXPxerwqKHw6urtEo_GUtyQK2iD4LV2Wgvhqq6bqz.lV46C5YVKuzr9iusDshs2SXxSJNVFwMl.ZxfMKilPvykea02VWW81ZxvQYICECFzf66Z0c6ekF1_ca9KG4gQGhWHamxAjCxGoRFilZbSuyrjo41N78KaJmrLw4lZmSdocdgXe4Pqq7IGNcY.AZMBrh3EDnu2jgW7yZGOhqnzCWBdpzLaZeGGuNBQ.H6p6EGj.92zgtvGQSypB6yFN1R_ISf1o8892QylfjGpVaMcF9fILfdUt9Z08Nfjy8ZuHX3uqrkgdgkClUml2HVif0qMQ9tOtNG14V_3DGS.yopqR7Mz4JbKhhPWf5ORWiXmryZoYwiTQvYDrsu2B1IV0Sq0vRXnAae8nabw5YjeO7Z832BQDNOxULj4p9YCCldf0mUItRgILYbUwVs2DMlHoAT61vzlklYrm6ZY.Q0e5lojjnFLYoaKzYWLPn1PoBhPZHIBJh5XUJkGVFK.FlGWmNXtvWQdHG2etWCGO4Tb7xSA_BMXRdaXtVBxZ6LwQr8B5hBqD6sziiZO46z3c_9hsRQ3zi35reVBVsl4RROWKhPtCvtE69nmlJEYa4ByrKxf6LW__ARhRP95lcRUS0cJjffE6v3KYmCi65_nY4q7PhgA6rGWb53Xhrd2S7Lg2wcsGEEsN0bfODfVKFtOpqop1Xtn3MMQK8_3_4SLT0ee59JaI2Z9OYgOsOpxtl5pwumrWfuQmoW7vNvQp0CkuT0nPCal23oa2gJECF2A3nXVA5rdX4ji5.Pmb3sKSoaP.L.bkz3EA6d3gqM2hnwt5LmJ6ERO9.tWNaluFGgkrZ_8oLF_lFAIBdP90mH79YISWJp6O0R7GxRjU9FDtusQwNYYN4W4cvBOuqqmTyzoXY1B7pGCW9GAv8OfwTCnizhkAkffoXnjFt8oUBuWhdGeJGfxjHTLAyBnrPZWMVfKdV88GnpxIHtcjd3qWqcRS1yNi9.GViRPNRwBSxvcRY9zhP8tI0lHi.ue.rCiLsVjp8NhFWVk69ZQTlv0aF1Iu3hwCIwhFQgvWhHVjnmYhlPwCuEbHrJa1hZEoY9Hcyrb7rMbICcz4_Vl77z0hacV.aCZvvLnGYW9wBt3x4wAeYigzCbcG6a.aBlQzyYbr1_YBhhg9RYn.2EkJsjyT0W_akDiuYzb4OUNxd9xWlkJzKxMH8HR0Ug7sgxWKswlSHegSRLOiZEDO_JWKU1GagNSlEpB4xt8VyGKfq1Y6HuWMoHF0AJuviZSmhu5rAkDMZKay8ekeNpZPFmInXt47mRby_S1IYk3GISBpVpnAjLckb9RRNkcOntoYxg3SbKkz.1CPgzAwGddxR3wnd_JCokyLQtn2aXxu_h4SxgJ3vz.cJA6rj92YvzP7GXVgtZbBO_3RoLvXa36UyLJG6_UaW0ni3XJ3sOJ9St6GdjY4TSJO1mnlnlnoBZD4BIlknJLYmPMfUSR3QU3bJzLt_AaVR8H4rgTBRWxFiHiiRTib8loun1YqR2tP6rk154ZG_zW3INhXHSVanSuFhdN6cyw81yYWP4RITIA6PBRovgSqd5MuOg9jTpQcd31dABfR8ydsX1W_KW_NVFR.._cTbp5Ea0ONsU_xatEkCs3IJG.PAI",mdrd: "5YDyrkzaMDGNeSI3BZ.FnGRPzMil9l7aM42ZOcqzOA4-1739298302-1.2.1.1-eer4NVVgeRw_rUeMWpFZrxPCoEIduGlUuy_4.eCl.yDxj6TcdEZRdS7gGIO5YHeWC_9IWPzz6rgzj9imS9V4MP6kC7S0a1jlRu7bPorvj0hrlRqmEvcYZA6lszx099LW4IQXhlidQlfgWEg77ujnbCaeBkq2mpyiqyjFd4RqC5sAFG.eE8oa_ym5hWSVilH6i0zr6vjw9eXltUqu..hSv73zl41tj10PKkA2zXpdmPSmyP3KhDYOjK3g0Yloq6E7TB5i35aYuDiHDrnvY7.61Q7yWqoLyywLNvl.fmGsBpoiKWh4fMx.p0aMytWCsXYyjdp7PiKiR2oVQOq9bZQr.IR9Skxhawpf_s5FI_SFvNvNEihW2uY1tZpxvE9ijYhypIj0Ejy418mx5qj3g3HB3c4.xUttgAiD2t6W9Wf2i7sMaKF4K1a3MKlowmTyWdtPS7biM9na5mv7fK4npdS4EdDDpZVyEYTn7UtXyCODdfoDWN5bhHWIFkzAfSJHz3DG4e03xNsQpaG5SuQxW7ZBE._YCiKqQ2_JJfXdLSD7Pl46nhKwtRppoSb20rCL3Ta0ZVIFwggrzcNY7u8IJ8W9hahSwNagVpLYGABUTTFJAMR91DlyBPPx85K_wP9kiOO9JjVuDf80rPSYq0YxsuBQmtRF1RIapl.iWl199M_lr6aPLzXNm17hJb5K6.rAizNPkqgsA0ZezG7NaYcSjD.ZO3eNmNM1qxy94yb8EIsMCzFwyiJPXofjFE8.hbL8YwfV_ZMHZY283jZrWU0yAYB8lLZJTxgjzUZkfQvSncjSyuM3PYgztDToIiQLKJ6aKGRuqN51cERhqyjm_l71I9FxKocruDDCvvrqISNK.EfeoysAvOSF42lsOq6Wt6dAcJqysR.vUYexTb95Ctjhtvh1OF9KxXlTSzhP1r84ocWPCs0_6E0wV4RQgsGdYk7t98o_N46t_CabBOnKOjcj.cJNnUaWegJKHzr4u.nfgCfnObTW.zUstdmzDnYdkKKIe8a3ap9fUuuCJIPWMXRUQMgpF.Ck.Gu0dlephvKJ57M665iWcOXNhiLsdatlmArMIKsD0RnF07ilEv8zU6kpqSfoSeE4lqHgnJFQwjML5Qun1MUhrHIVZCDcfyJZdhg.OcUvdYryAXpyrUmWC4htWGxqTm65BevI8ArD27b_W2Tidl0e_7wt6eK4Yyac1UZ._J6sEijwtx077JPkA0yJ0Y1MALc5wUXIQ.18_6sMhtqBgVHd6Fo9U1KjYCaV8CLECC1sg.ndxjsC6OH_QRaGrLU8quk_0P2voqY_Kr6BgOPUSyy22DqMG6ZXaoBdIGWNSO_Sn7zOWN4rjVXgZQNhwXc1_QvusfMpEErkirTW6ndnszMC3oNmjL.jbNnCTv8lw0.okRjts5AMhE3LWOV4CEFgDJhl.x_qLBm0dXShKokAaZFSBupd.YtDFun_y1TUpLc34WvyLixe3YZa1PFMqqlYz8bVfqrn_5Vzeal3xG3GdEIe6Ta4z0IsUhCWirwR8gCVKVdkwrnB.O5vDSy4.GDNXC9Z4bG0cEHtRmoEd.iKOxc_l2Wm_OdV4BDd7NoDo77RdPt.KLa_A0sKhEIkTi4kKmD7rvQcq6.KYnqe1VwY9WIfAxNjtkCEYw0KTvQlnbIWSH6J0EcPB4pJknnjmTatnpd06QA3urwNlnKHGgE.99CUHAgQsals.5S.Nvdp9k4DyTFQNtoVpmFvxgEq1KQ0v4h1fDFaOoyXiGZ3cAFSeetm1u.AzwkwPdQEbAV9jxAvEc3db0l2PGnApckitqqD5Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910661139a7cd701';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\/5379284610?__cf_chl_rt_tk=rcis96Lb6kY_M_qiAgJURZ5UaGB4GOJ5YIkj1xCfaNo-1739298302-1.0.1.1-4h44CLxj7__T6XSuMn81vfwh6.i5uZZqwJSWEprME4Y" + 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