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-affzpormt.mit-edu.top",cType: 'managed',cRay: '90fbddff5c2c5a21',cH: 'LM0bX2MXqDo0O.r2uVeR5wwdql9ZPmsTSc7xeaoMJCg-1739188075-1.2.1.1-PzpBnTr0o4GSFrNuV.Upm4T8rUFxIA8vzWUP5u7DKSeKv4gPtcXglnWYfRNaZxgu',cUPMDTk: "\/post\/3752619480?__cf_chl_tk=MqNOKBRTry0AnoFAULwCoHPsX3bW8tMsgohZqhrGq6I-1739188075-1.0.1.1-p84U5ldCxfj9sjQDUExWC0_XDgOG5TzD64LZSmAv1TI",cFPWv: 'g',cITimeS: '1739188075',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3752619480?__cf_chl_f_tk=MqNOKBRTry0AnoFAULwCoHPsX3bW8tMsgohZqhrGq6I-1739188075-1.0.1.1-p84U5ldCxfj9sjQDUExWC0_XDgOG5TzD64LZSmAv1TI",md: "OUcY4.zWAEVPfRZgm60A_imN_fBz0F3tJZVfsJ4X1M4-1739188075-1.2.1.1-5dImNj6B8rRsqkQMw.HPNQtj3aTRcEPgLLL6t5FVEV.C_Q0Tof8cAXsYJ8Sf7t_HVaYF2GuAQugRhI1N_dnCaNSPf7z8OKjhjp3edVbEu0euVhlhh3SmoYyQwFq7UDth_0wXf9piTq6tOR9zpEe7rjyXTifqt0f.K8r_HX_l8.cUMfDOH4A4Gilwb917IIZsiTDJHz1km437hUjgLF7r3iyKmB52NAlCF9G6fkVSWi0tmzJ.2ohkBYkDcVcJC5WjTn.XWlSsQ3D3Hxz1hr_vam0tAyaH8Smzyz9_f0l0JPRyaBpc1Sr9bq.FfayLi6x35JQe8mwURQJvanr88RYc.kPaDXAxOLsfpFwmI9eueuoyNf30s.MN_UXPB432dy8InHzIs3PMFdde6jib11TQkWaEMAun8SsDnCwbylV_NSXV4bUr_pT2vjfefqrsRkYeoCfOqPpPUgIAFi4bs72bcPLW89wQaprmd0dCQQVxAkzP1DIGHzzKbe8nfDjcOtArlBoHaJp8UVnVTh8gILchw5vSnRQXq4fMrJmeXFi8GNEORf4BtRsAERUDL3ppNxWsRDQfrdX83Mqes0jXdZ1gzhgVEMOGKzBENNBOQqskiyHNpoHACBrzXPut4n4fnXXN3qL.PKnhAO8bKPFfxMGOWjzRbBJiHJAG2rGm7do7i4Z3QAVb99kw7ts3QSPs1SD3zgy.NbmKiH94dbVQ.JNzemFEiMjlMpvgDTWNrnRUKC7735VIAX9flfaLJ2GFAUN7HxPmRf6nsmeIYZxgZjHV2z.pj6Ya.m0Z8daNAodBi_Px3YnEr296cjoPG9Haqin4hFvOkirSUO13S1d574JQe15BZJ6qWKebWGMYyGSC.cvatV3sN9UeJQuokm4y4iJrVTtBjGR9vB97BnkSifMDZVZIfa9AxYpkdIK61KwcmvIXzGkN2Hcfc779XKxmD7yRBnE1tCbs0OO45DHiTecEX7MnX9HQqFNEL.Db9hTrsiPgQxO.pM3H0hsN2HqZqG43UNFl3Bt.tK56a_4DvH1XBnbJNizwrY.cFtFtWVkg.18h.uEMwHakI9RrLnQLrHcy00jhpcwLvHWXLhU.ZZXh07pUF_m6jYRjppzSE.95LB6dw_nGNQPWlyspw2u0PnaEcs4GNOVHXyAtsAbCPf_QFqn7qqSEzBmfVGbvHOzEzlYvBLDXdW.h15h7GrQEH3Uy_Ujj2uzPNekwSmJ_4GoMBXNczOvIy1gBIu5hf5ga_Pw0uUIgLkN9fbYHpMX1n.hHLMBWsmOcun_oxhI3uEvc7CGmVdGjeLuXfia2I0vZTdNF.h3h49f2xhx55Ivtk3pIK2IID_.tddveIfj.mCO3dgL25iuTAyo8Wg3esvjbhUO6Y890Fj8_AcGMlN418eoMEbUHfI91Y2hnwamvGvQ3Wa9cknDdozX.v2QN0b0WNtiYgA.XmF6EoZSrNe_2bnbtvsfeNIoywtwOTjKjJO_YHnM.SGyCQRzrcsIhqwpffef0ssOrEGg8o3rEtTXaHbq6ymAVKnk1A.hNyvdS7H63ApODgchnd5kZjiTLtmSRzAdXaIexV3zRMACoTEOm6OzqDZPKI350GDUWN6eD5EMs8OoAg.AjwLXHkIGoz9Q8Z9.7ka6fcQhzdECJpVWfO3KBxJxkH959GRoOzs6Lgylq5WnKsrfB3_RWlDBkUO9Stk8t3SAFnxEUU3OJfaBus7qRw.S4ivHZm98GYE1wmzYRiUCakalGO8pAgSgENdSobDPcnaiGwU7z_7MlJdv8ogT2iz6fsoAxuevDneM8zn2vDxK2yEJrPI3kBitt.7dW7zLQuDBQkHbmLxEMHjuF.rCCt4DJ5tiRNyJOaym5SWAmr8tPsb2yqEJNo_oHIqY.LjnkR0S_H11dJN6n_6aH.rQEWJRkb_IBgqas9of4QMyhFbTnWb9mtMljXd7Yy0S7ZTt8e.qDzLFNFesDr1kaUJGJOkg.Wg1Usb03KTUGCChbNzZhzx4HnMzC9nMr1uSG5rRQTCu42O0OQphI.6EiZesXInZLDjZhjuQ8mTimX7Q8PJs2aJzWMqMM6wZRYVXoNBVLw0VRRmF_FGcbI9JCMtGa5Uz1YymMzaKeIxnb0twdBQjh7Xp81.t2TjYiqm1uZBPaYdL5HK.HiclcEN6ZUvf90gWBBR5ouP0YjrollXaoSDvOqL6X5miUZpq62o0Yuaq4S03jCSn_YHZln6x8Dy9K",mdrd: "r6X_WCpvL.wPqIjjaC8XhLezQc_uFDZ14172vjaHDgc-1739188075-1.2.1.1-zS9U8ZFwGYkGTzg5ty3V3N1O94ovwXt74K_Wcp.78PVw.CkQwtdmHEM2w37TtMVVoCM.mJ3lZ_DlBxJBflOra8r.hRwNqOn3ZIFp0q9V57ZxYjQES8F2hxulQ2cEMaYPgrs_FSU2Z4tibUHBbffPi8i8eLlYqaGcA19eedHS2GBvGKTDH.j7IuixH94Ee3EckPJpvl9LH9ihq3GQq8zrnacMMSeTgItoP8PUI.ZC5TO0lgoGDxmXhQhLPSRocmIVwZAouaF86X40PPTVtqNxhpBcP9Q7QWBoQRxOu.dYw.0u9NnMK9GgyB0m3V7Sbs0_5uF.olzouPGVUa0NoKbQzpBdbDs0eMjVbwnIlo8qPjJ6FWNPkLlRibZ.EpIyHtVEVzVyuD9EYqIlpB0jlWpbdjfuRAmdgsp4cCHOJ3UGMqIYR2.DGYFOQhLtLYMl11a5itVThI25DqHzQfqMhneh.AQoDMiZePi3cSvsuRXCmTvtH5puI.7tzKH5L5fmaroFWCWCnKv3Ak02hEb6uYFuE0bQ4JWIrr50WDew3QgqsKP8LGnP_QY65iMEpodfJSBfFiaeeuZHUk2mMJUO45W5zZQe45JqZ6sJ7KeLxe_7rOPLDvyijat3R08pezDMjfsvS_IZQ5p9McGHPUpwZfYdlmKmeqRM2H5kwQMvLcB85qWlR4gqGNSyJnGJr1rmyK6TZbx0ijxqXv.OaFMTGWwhQmu28L_tiwuay65RF8fzkBRkTh6dkvo06PtQnt.v9KhnoLYluFVfteHtPJx5eXn...dWbqlGMlHplcAWhlHJJYkda9LZNiqRe4Ne5UqpuiLbGXBu5zE4ixWNWDf5kNAJvIwT2q3HgfHORBp6LhIiu1IsF9BEuoRI6yAUWlL2FsPp7fOO86y9J60CRBF3c0woDwbAl92d8cDdIuqI9Pup00HIojBAb8H_STb.Qd0bX8vkGb4kaAIm.9xwzGxc6NH.602plrsU6cUx09JRJNeUKb6oXE1jcbDCKTFaFUn3B1_hXz5xnDFbmCtvqfcxozdSS6phyQT0i0pvEX5Qm3ljvDsEzihKjJqK2AIZ33JiYQZNVzxA2sl2yr8nWbDgSV5pdwt4Bu.6v9U4083EAk0erRDPDQoRCB0Llc4KXEhJN.cW_DjxHh.hNICFonhYlw4_rtrXDbtpJI5HJRvVTcBWl.chMVcmP6H08tOJ4f4bL1XWWG8OOoZPEfVWpVSKERTFWqW7GTjNd4MKIQXOj3UDAutSETfa397ouxQ_.aQa4PMWCnSB9YX7p..KiM4wZyIu_105p7vImOmrrcNHAYclyZ10Bh2nnciTLg2phKIaGp3zhbhHVBD3bO3gitOAqjuVXnKWHGLEhaZ.x7EYn0JBUcoLCYohQen9DiJccRNIcxiW5w8BSkXEkziFzdbSwIXJ_MvVMtFIWerV8.3XUeHkNXb5wshUgKTFAQUWVuoXHCShTvuLBAMBWJuYQG2j4kECX3ayH5d21Hts_hUZg7yLpIbjbKMoFU_2rKUiqNwJDZOFh.Ap9ghShHk7G6lyDShkU75GqAtwDU4rq.rKAOjEZ0Ne.AdsfI8KiOeDHTWSuQBSFy8KxFcNkyoKDkBN1a5QOPANMwsSluslVwsr4319D8VBHUZQt1kWkPVEyUApgl9w.XhfKDarwXhJ86yP6ukZ4U78AligV9HF_tdXyAnu0s449abg0oqOEJaB28l9538alN3V0LgCc30B6jMy4h49qAOHjG2brFvLgrDfe6BgOrnsb.GWA.PAUx3PaTybsCHgbIyB2BO_O09JB5559NGs2A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fbddff5c2c5a21';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\/3752619480?__cf_chl_rt_tk=MqNOKBRTry0AnoFAULwCoHPsX3bW8tMsgohZqhrGq6I-1739188075-1.0.1.1-p84U5ldCxfj9sjQDUExWC0_XDgOG5TzD64LZSmAv1TI" + 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
