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-450706711759.mit-edu.top",cType: 'managed',cRay: '90f713952918394c',cH: 'RIVjCch252usmPoaSXP0l8L3bOcWQr_1O2kZxXu08BI-1739137841-1.2.1.1-zaVem.Xazw5nfcHiuVlUIgjjRicRxXdBIGgrhbkGxFBmamYe4B4xVd1pXq2dzi0_',cUPMDTk: "\/post\/7958261403?__cf_chl_tk=2pEFlMCwxQA2D7K0QfG7S8vCVuHNPmo9C_sVspAh4DA-1739137841-1.0.1.1-Go3KZFVDSeCIQB_HOXRPAxHAKeHgXPtmEFrQmwMFamw",cFPWv: 'g',cITimeS: '1739137841',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7958261403?__cf_chl_f_tk=2pEFlMCwxQA2D7K0QfG7S8vCVuHNPmo9C_sVspAh4DA-1739137841-1.0.1.1-Go3KZFVDSeCIQB_HOXRPAxHAKeHgXPtmEFrQmwMFamw",md: "thV1BzvTUlxQGcpiaQ9e_d6vgXHDpJGOlQTuwDpiQTs-1739137841-1.2.1.1-m98S1SvR_0OKYspioYJCJBpFG6xmWKzWkovUHlK5wKByE1F9g.yzkAp2EPQ4IRkmRzVyqj8BsyrZzr8sMu9AgVq0hEScVqr0WCLam84M1sXSFo1ccC5RtU_Dk2.5wo2slPE2O_iIvbhg6fW3xDT64HpclDIeChHtrpHyd1ME0hOPB7sEN0HmhwiMkAbFzTUIi4bG1QHYyvgsjpeNGkD2q8KEFwsdGyqw8HI3mHWP9UsYiAjADd_kqVf.nKkD8AFnMWAbOsckZQ7qoD8iO6tpCvjcMNVa4JHexrW0QMuuaTbJrKVBkwiKwO6vacseFcCJyhVhZFa2P47751vk8llnT6CREJOxuGKQYPr6jeP6xOZo7dclhiiEdtzAao7QzQ9tm2K1RoiukXjPiu9GvHULEaj_gCVIWH5R6VKRsglOTNgsoTPasrWRac97IZJB1G_QTgASInvBwLAro9P7l2buOxV_gpsPo4W0alYN34oxLsf5mu9RgI64WAJC50WARFlOeSqxgY0_1PAazPcfaFpAGT_MIYYVmmka_vZEb8G8j4J05G1Bwmdvz.2.X7YM7Oam_CXWtRFxPh7gP_NnXN7tNy8XORRisFojNC6pmX2JmkXw2DRIdzqjzEsrjvBCZltCezTd6TobYeSUO3APMucjdXL1wXpu0fUNFPzrbnuIiyNaHk6QWyYZwdY4KtmlR2LMh1sRVjITd0eVJHYlxL3Bw2uJPDZCk1_LIKu..Co3nchA79kDeW69UWE6FE9KzzKbSN9Nw2yjo_IARO.3G7AIzzgM8FjmfVB6_eSmrR6ga0JyibuHzJT1tu4GmQbL0_5FJ7y2w845r2Frj5M1sQ25dTYdePm5C9pu3o63fsXi92jeEznnDUwt.HFh..YAc9_gBurj6GLOkLirCwp8Il6rtaLz7jifGi.X7pAytdZDYLDnwOk0EFCTdkxWzSYKR5oXp5elLkEwBk1clpDTLns64L1lhj3jxwGeHSJuVGy7OOvDG4ic0T_TqC3FlGdUaJDaT7owfxNVPBdJJLJTbkKXlaRHdleWH5SShssf1hRNtFPvzsCEH.xOUlOjQXBA4xe9ZZnnitARFPATg3OsUGycIEUwaDOxqNHYIFi0Fm9wPy8KvkxPCt.RBTdY8fJic9PHPPZ7cN2soatuKQSgAafyk9Yn6uyQDOkTVQaTw3BD0DRm0U9.5Mb12YP9V6wAxlR08_Fwzsub1Q_soiyELEgqxvDQY1PsFfU9VrYubASqCyvs8n.ESZKgLXtwi7mdCEV85eKQqGg1Nt8ISL_F2dePpOXV4Eefu1FUm4G_edtwiSOYlZGaTKMEM4P0SWjzedqycE8HW9nac0w6ZUNPqvwFNN.tPXSwpp44YX53vA5D0HrM7pABtxrtIGWeNHDg3XTiy9tWKGS7uxDMUZZepVs.BSocHKywTStsEAi_Q.8w3iTGqOhwMyaNupTn_GtyEuwKMjy24upN_6yPQnEr4dVjcSHiuSiVzV7vUK.OTrXcVBZScFdBBM4pfJ2JOYX0pQiEhBgRs1UbDVwV7P0kK5vgZ55SkN6oc8Myk37XNrOgWvCmlG_jJZTxYE27s.C8KrXni6dMq1J19reM3L2RTNHj3McKZ9dyJbd9ONZJYd8fQ99h5Fz8htY5YKacG9S10B1bdpKEQ_cM4w2J5NHF4CNiQxa2XxYZlLzPH0r9HuDQdlhG4FIJMWn6z.npTHQPWc6Vpwo39oNcFCa9JtvrtGqmbvd7Nx1xNOkDEm5TqIH4it27dG0QCqTishl_mf1axrBZm_BpQrjPt3XfzOxW7U12wLL6JaVLqA_ALDn8HYZ7ddgOdIhr9Sv3wFxxa_j68mr62KyPZz8LEO3Bsm_NtR4dsekirn9BKi3M23feL6pbRkkrT6QaY85182w4pomFcjLiyp5LxRxMv6_034NjKZayhDDsOyue8ug.WBM5KrnkP919fVA0m.5R9PC5GGdL6RFAV15t_fNkv4xmIH921tZLUM6FGx4wydkCVZfu2jQtmTM4t9MYTkvEVEub3Fh7I9MC6eOR_OIvPXcH0Ad.sa3EXKPxPqGdFC.9RyIOPiWXlFEk0qpbte3A7LBGRXwTWRci1HJj.WFrCEYi_4K8ZYh2jEFCG_kXb.9d4YRKXETzj96NOO16YUjIPfvFxHLT9nzdM8KpTZx40ZIKYCROd2Mk_l2UzddlH8TeKr5IMehFmt_tB.hBZbVJIqQUlYM7qHmf",mdrd: "VfGprY08pkisGuYwiE4VBH66jUOI3pB30_sbEnmBeFs-1739137841-1.2.1.1-tJZMVzbXuQr53N6MNLaQlg6Ymc5LUGSE1HR9AhjX7F4umiuhp9Gf2MyCswhc7cUlYQndbGquPMbEwAvwB24iA491dkiIM_JuISMtcSUSpzyomeK89XIW4KHuTsCCFEDXtDmRQ2HxpTGvI8WekhfhdzMedNxwc8h40W1ViYfT9a_L7a17iQmIK0Z35CTbQ4.eeUDkiOFsW2pYIs2EPueFZhJrYGZVJTYeSSdIfGKDbUa764bK2zrtZ0SKUlHlljnMkobmq4dxqBMbxzlS06OSfo2hqXSIw6E8cF64eqfeKTh0vmRwLMh_htI5Iiy6PSWhJt1h_uR4na2c50Pq_Km03YkuKMHq9_mZnbATJHeqWOb2B5K09pJp5zDJQCFLCmwTLCEGxTgGCZsNUsPEpPECOdJuB7jylZqyT37j8PbJ_P8C2WxKCvvOveW9xULK2pPANAjOnsoFyuHjhA6mbWAoRsymMKBnPlSsuniY1o3u_EF8_bBQejGFPA0BYj2m_e2Lw0dGjFY3lY8Iv6TOEf4IuM9rJ8YD6XPskb1KryMfg0EECp7b91NKbq48LUoDYioFYne_KkjVt.HjjR7LItjCNmEIMmK59bMNLY0810yL9TH6FHqCLxdd3H7lVAZsmFNmwxF2RJJipZrKt6Fmw5MJgP8912Y59qDmKHIpFzsT3FrvEcdtxaFj5yN3VMzzntU85G6xv.95fWxFeu5atDR8CsjmHKEBxL4bt4T3e5XwovM7ctrogn2jVhwsLcT83GUyzGkl7glIVBLoaplzQOicV.k94_JTlUTNnqOcnnm1LhZUCPcYpUQvSKm21g7KGiNo3KA2jiJjzqUCszs9P91Ch7h6WxvcZ_biSVN7_hjN3Itvo0SyT7WAWyxb6NZG3wbNfbLU2SIkESYclM_YtEC4mg8eOVsxDbBDNCt6PpNSMdRrrgUR62ehNNBm95lMAb8bQ1rK6c1I9vcU.P8yb6XlgTkV8PeU3ub3..PB9blIlBgASX0YN017rI9CQt0S5xk36HBceMrrHHGByxb6B8P4knQuh.m1n8tcxBo.O.urkvw8JxcePSM3c4WMgaMzO1LRWuMGmQUdmuIwODGoKNW91oFEHs3nVuQbHYM.u9pBgnt9x1hzmcMB6J1OMM2d7DlGO4YMrCBxkBR4wXp8Ww.LkeenFk5n9XU0XFN1A7KPUhG8pfUrEzTt5W5INGKpo90hM226Ky71nGiVZnKXztXlIwQxWzrdF_J4E4wC90UP4ztlPeVzH79CHKJ0pXD6qHqpYW2LHy2LdSE6JLXhmt4edvvV0q.xKn8zXmvsw6ATb5xENybVndOHqL5n0yXdBd55ogKii1jk8OPil.92IfhO2olDYT3n5Bk129DVwp4RmtDCLA3V6c1DZ_v710E2cBsAULcPLQcUlssDl7q_G6jrRbCF4y5xhsCqL_hVRjPuFuPObtxadwoKd1T1P6d4nHTQVl0VGT9_f80gcpI.Ojr4TNXO8RfFmeshY7OjaFlkhvmx0lSGxW1t1Inh2hfmawbH0dwC6RCe9X4xGD2eD4eKWOqTkaIknhdYms0kTPQYBhvB8y5Uw2TFcxOi4x9_j2rQUUfvWrzB2YJxShOYoinGgd1QhvSHvrLztkSYu4bqLsBHiL1IjKkRgPA.2JocLR2Gdf59QN5K.sT9nWbzi2fLe3xlHptngN6_vaVm4ocjBiOaa72CIDr0w382bQ2J9LH_v0MrllTHiGRx9OgaGh_C5S0jK29zHZxIdKY6r6d9G8vy_wvF2IkPz0btNjuQjlQfVIrEWQObLJLMithOYSCowDsHXLCzTPZJSz8sZ9LrmFY"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f713952918394c';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\/7958261403?__cf_chl_rt_tk=2pEFlMCwxQA2D7K0QfG7S8vCVuHNPmo9C_sVspAh4DA-1739137841-1.0.1.1-Go3KZFVDSeCIQB_HOXRPAxHAKeHgXPtmEFrQmwMFamw" + 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