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-556878906650.mit-edu.top",cType: 'managed',cRay: '90f81db97edb0613',cH: 'gzv0mHkbTNfExoZMvipObNnE.oqlYCwEtpBnfkOrcxY-1739148742-1.2.1.1-xWtURACwFVB1rRINLKnGYEwc8mz5uglpoH.mEqv6RUqC5D4DC6gjaPC90Zdgu6pj',cUPMDTk: "\/post\/3645987210?__cf_chl_tk=wife90z9Vh5iqxZRiYgpeg9rj2pcXE6ugHL6MxNRK3Y-1739148742-1.0.1.1-RedCf5rm.CCJ8Q2Px8m7ZSlQVg7oMwD0o7OemvwmmMw",cFPWv: 'g',cITimeS: '1739148742',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3645987210?__cf_chl_f_tk=wife90z9Vh5iqxZRiYgpeg9rj2pcXE6ugHL6MxNRK3Y-1739148742-1.0.1.1-RedCf5rm.CCJ8Q2Px8m7ZSlQVg7oMwD0o7OemvwmmMw",md: "2sgpPJarlFn1Jz0j_7IeBV42O4Qi2yxRNIYuwaw91UI-1739148742-1.2.1.1-sHP5L1uX6kIeMPDy.qJq90EzqU87ecG2FkdsDXpivLKmNucHGU2gahUe_gQDdh3bOzB1NVVW9q0STNp6zAXUm.EZzR9ajc.N18D6fYDy33sK5QOFieyO4FcdLb7ZVIYCPnWQaE6jcQOnlgfYZRz5cYandUICdFaMj7MA0HryfProrKuC9U5x_dPDMEKmyXyu6_SslGgP_B4GrsK9ym6zkYJ4zgzVsbeq5oFn_AU6cFaznQCmABw_zc_MPUroshuZ.4ib24BK_Mz55p4VoyZAEt7pmlD6sTWCQup8DHM9o3jI0Krm6x.U2AaJyPns8KoZ6cawLnqFt.HMmVmMS3gbf5.4Q9AcPXaP5tttTuGI.UM5XMRWhcbnbwIwXzhkQeIuD0T16Z6LYrahduZT6yIqst.f_tJt4ev8b6CepCZw4tQysx5qGcJndRprm1X7VGcb.Yg2YF31TRtmvpsx58C5jtCelMhq2XWMkVIYWD53cmwxdgtlT.ebgenSDDpb7GQkHT7A7_eem1h0l0IDzpc29uX0siGI._JXOSPk8QrdynsdxLp7pcXf3kBcdKly8gfzA_8qt0PDZW_tkzdq0L6djIvyKgiHq2QbiIcgIzM44B5gW0H98pv_isoXu2S1SQFst7YgdaB5KNPVVxnXKdnhwCL0D5T1lX0PKcht.qTvhmpPXcEpmCDTkr_rmaynoECngSb0xq0I.LdZNelRsXtvSs4Jh7fbETEIWwho_ESd6iRyX5x9iwNskZzyK_mwlLuwT.Aj_PpKRlklVD_bYYVmkFrR_.d5Fi1zmTF._YE_ojm.FDqa8OccYL7T7xR66PovE2N_LaSMqlUCgnBFCoUALI.wdipLf_Pbh3RmHfJmrtA7mWfDpkhtZNKaK_TV1N9oR7y8i5vQcPcQgLgYWJefSsNPLjsbtD0GFhC6kBj7Q.mWctWH5wb9QtZHVg4Y.rooJoFhNd_DEqhBj4uoFB.FUsXW1_X69s.NBJ8VNWU_RCNVoZRq9AZcVOm6afH9PVkiFzzOCN9yepgZnPzRnUmSMNu8l9z_uIsc0PLpG97kf1POPt9vhB3sJQsmIDYhCtQga19EEtguBD5ePXGGvbJzhtNVFnHo_N8PWbcwjaiC7BeypQjfGZgT5h_qWrlZRbp5cDajui2E0aCPKpXn4b3tzSU3dXpajf9bVnVkVgnxCr4Z2x.BS9B6WamRqSLU2OAf8Pm_hBk5YEvc2hxVLTANRQUTuQiKvEF0aRmGqqts9qe32QQOQrPe46C1JdvN_CuRGODLlljqQ98hoDHf9_Jgk97NoandNK_WW.MK6eMiQ1SwOVEeXngoSin7T7kyolqGoF9ba9QfKmECFnEUZY7KyPh0vVHhJK0aTzt36PV4dG.2QqKuYsoHpo7ZwIsSovVHovfnjXxjZoYHcKdjTB3ZbXPDPOIOP7pNVch4Qy4L7yv_mGxdsaghkcAYQUCLmY9eKJK0.moorxhWGEfXZLrO6mUlPAQWDoBMyOFD6a0PeVDfKRqe4zARm5cf7VIzFbp2ryAVakuDdRPzFc3GCj9WtPfdviodn7fV13KCLrXedvhuaTDFEz_ewQDWBG8Oq3diKbjV4bfFC8w6hJT45SkMVyfYfmvaXDM2Az6xrYNSHaMnBxzpZ1KOJlGnCHHvTnmb2zNcLl.GORM4b2rxuW3UMegu0WQWvtIa.R9wl9HHmVJWCSNja242XbdytYZrHnqt1dxUeih6mOtTm5PEyvUp1B8oeSY0IftbyHCrQUgpsKI0GxU6oDFnvob.hCzq2FTqOwOe5PjkL4hiztsBfUFDwHyd3hc65rtV2fyLAEzAQhE7N6IDoEJitMhS8CWV8zsufBNFHmPcPeEk5I6kqEMeHJ9rbizVno1KjVbY7n39d5uaaPYZvcf0zO0tlNzdPMEw1gscUn_8pNVrtPt35ED__xEuHC272WdbfQNxY63dyHAFox8Zij1ntQy9aHrRFwf8FrUgfZuFUKn9KGc3OJV2fpAxGwP1hkGcVevcn9W5s8lIYwXN3n4HYM3x8qC0BP0CNs0kBSytkg5Dt03Xjz6h5XzTlbCWv9i8TcgPQGIaa2NnYKP.y9cT9VGMDOkYAjz9b.AOxrvXlU1itzQUe0i0nOA5UGEUNHf1wvF_XYAEbo645yawVx46VBeanlo9V7Q7KIAv5wDsp.w1k3LzTPXmR8XpByP0JRgIaeUM5Q3s5Yop6UywLd7miZg2agHh9I7M",mdrd: "Zo4Jf1hdIAha8oQKr26HlgTckIC9RZjUBnWhuf2lMV4-1739148742-1.2.1.1-_vbt_tifhWvMq55n4rvDVd4ebdZtdJ2JVNAt7VkGUs1x0oJaUvlCpYsDgHuIuLpR2DJ6wyYuOfT39G.qHa._hh5QeFuJQ_FYvy_lxQ5Sw82VzXIFf6HPpxMuQxOc5mg.u9UxOXFDSiayeQHLbSkvngN56PRlXYtakl0nJ10DcSFFsz3SQHxxEGUPdrdyvi8amkYqYXb14S3.8TldV0E.innLGFOtxbHDgAuhJVk2xNcpMmVFoJIjeBnooRB_FZpadXEIsc5Ki4IQy_djmZ4ciUU25uaX2AMx6GaVYTfgXqOOPu_DbLkM8KM_ciRfdPSy2GLeEWzFbwyPTitlP97n_VdoiPpgoxCsox7B4vNd4h1DrXgcC5._D1GhAoouc9MeUTyTpEtaZGSx6WXBxXK_JxhPIyr4Ci1FI.tAsjeenf1RChyP1GvHMAurGlihTu2zVb7YRGE_Dd0sGcXzhH5i4lOog6SmE4txxkfu4Cbe6Go_a3FdRZzUsppsV8vlUzNdour1GYUNe8cYpfesv.FGwfNdnwlW4IK68WXx0MIHXWzz.xZcfdP54CrDwoi9GhnHXHy5uXAoVpQyZX76hPnOglOPW5DMST4FW7Ih01bXYHerIuivUO4Oz2c9Ycc2zLtupjsNxLSB0nyoJoK_8TPov_8ebtXIKtmKYRR7QsWaVWlX85FpidlmXnLmcM3F196GvLjRBClQ9g2y_A4ae0a1i3Z5ffbK3ndSjX4jfer2PL07dn.OevDbUEASjFzjihDplw_3a2xJgqPR4sOUMou3Da8FphtyoxkGQTiK8SY6eeQlg_fyf4RmlOJ_.VQ29V24KqyDFn3DAF9IfC5apTePuYrWhqAr43JklUocSAzuKIIcqqoq0ysNfTMe3o9Wgn9tfJfUkDNSGGENneRcCWk5KVRe91o1QiaVlzCk605g4uIjYIOAeGsiTzeA8CuulyQpTmhuxP37NSRdlFAmFiYUEnZ41W1CML0.ZH84ZQIXFAN6RursYbXQ_IUllMZL0nTNUA5ONSAb3wVlSpv9jr5t1swWcQJ5OQEKmaEY28iPs4fJXrD1eM5jhSEytLhgoa9WvmT01fXa2hEhNMqefLLUA4eoBkXenm5R_2S.Nl_U.qHX5IUmQMcdh7btpaitUBBPG0hy18gK1aOKt5mUyech.xWX0UXPR6viC0MEXueSkTkMbp2v1SqW_89TtiyuyTaC7Lxrr9QQqVax5hySxk4xIeTr3sbPS.Tbb.IAzaTa8N1B61xvj3So7pnB5kibpACT5WEOG5uu0t_xvT03UZx8L_e0Hx1kNyR3vPW8FgUn6er4zUUYSaEz.wWzAN7pxc6luCCBW7xWN6bt_94iQlvyNlsAtFpfgIRHkIcaYRjgEcqIJv9._96S5qCOyR0pZ58NrylJFof3V5649yW8k4vR5QkLV_IB0MwvOExI6klrE6Haxk3wdSC2pV5h..XDyL0twkM9js3YRvVmt69tIh4J10CHpNEk0Cjxdm6BcwQxxnkrK6HWamD0T4V4hzqniqIwgN8raOiDqEJTP375JhiNHcjL6bHdrHvIy4WulmndJYxkoqelX.e_3pkX7ongqqP15noPRnZ1SGvZnPzjkvV.aqvNI.iqlJKkzZXL7yhhubxQIn8ID3fc2s_xvygf_guLypxvSHYy94FWSE.nMG4IPxqfpnu2HbItBTrfXBnKvib2dCTpiJKaPMAqBFI5JyvvUZTbcd3aFG_kg1Ime90Jyv8FAdUoZH5DHlZasne81KTMC_gVQ6Wm1FXzuhq9oNeKmscowo0PrpBqmuuBoVvEgZJmsEwDZf.EY9hIrPux7YNqb4.gVT8VC_Bn.TBYT5wF"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f81db97edb0613';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\/3645987210?__cf_chl_rt_tk=wife90z9Vh5iqxZRiYgpeg9rj2pcXE6ugHL6MxNRK3Y-1739148742-1.0.1.1-RedCf5rm.CCJ8Q2Px8m7ZSlQVg7oMwD0o7OemvwmmMw" + 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