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-650077712234.mit-edu.top",cType: 'managed',cRay: '9110bd7e4ee6200c',cH: 'C4C.hAkzrx60eB9c8PvkgogSSyH_bAiduv75Kh8oZBU-1739406945-1.2.1.1-nNTT048er2b2_TECXSHbN93O8OCejSRNSqu.PQFJprM3ERDjFfS7QoOOCmboGzmf',cUPMDTk: "\/post\/4135706298?__cf_chl_tk=q9tqTas6lsxDkwr153jMFfTrQmP15rFjVu.fmDEjJ.o-1739406945-1.0.1.1-zd3wYrSW68AF6hkDJ1p66nekaDkhuiRhqGsEQXgevug",cFPWv: 'b',cITimeS: '1739406945',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4135706298?__cf_chl_f_tk=q9tqTas6lsxDkwr153jMFfTrQmP15rFjVu.fmDEjJ.o-1739406945-1.0.1.1-zd3wYrSW68AF6hkDJ1p66nekaDkhuiRhqGsEQXgevug",md: "cBHNxZL3vaI8pDlMUjJh1m92HojFoMrYVr6JPTM7Otw-1739406945-1.2.1.1-UyXggq.pMudba3rIePXy1XtnuE4gfVlVmB7zmBg7KPHVrNr1pgjqwx346KDoXlS8bvYzA0IPsY.dWhIt8y6uSzLdGJS8o7WnsvchKCcYfsydyp8xC.gHv_gbKT3x.NczmPrlK1vOyweukzh.LSrrn3C7I2PNebuSjBLmi1r.1a6sRiUjo6ohAdge7Kx_zyhOHU0zsUZ8pzzs3blvgjLQPpsCw0WR.xgGpGflduT_jw.FE2uBrKKiZCn8ETuFoR8FV6lf7FoZeJgaVGWmqUOdhdS34wHXZ2EZvPlyzAdiDGgY0CLx3mVyfPwXUj3VeA1246yOKzNepiGinWgBnqHVF9BdJeKM0LGgPlmSEQvnsbJh14o4ZyUHKNjwisXRN4cl1smSCV.6JhnndOOGxL2jBBZCGi1oZFdamKDq3tVUP63tRNrgFd8ht_scS5v7ZofWodY3bhGNOveVIlkOdbYpvUH.WjVL1OhTGe7H_G8F3IkCbKH6HdUYMe8ZwUQMFajz6eokPoB7J5G.ey9PUUcdpERq4XjcFnbJ7RwLxoSCrSdOK4wgJ3YovU8gtQBdsNO0XJc4jO4Z1oquB9CDpTmiH5Ux.uDm86wBSgZBcwFwq5j6IkiCaZTs9UFCK_n70lttvLMRF4RrDgMjqYvromXX09F_rjrBK3Fu2aJLC44FWG1YSLB3pdA1uXghdzkZP9uEUhlL6HFQgvrFhVca0iLxwqDvS8rc.q6drWQqGJc.oQPWPeDqNJsyxE_ZDU2Eov0qVZ1S26fvoJoVnPYYu0EgSvMoIngpotRzgc90FjFb2cm2Ald.p6ZjerAEQgRiXVGQ7NMxVv_MIZgboWX0l7XMp9zU1oGsbsG7IXatyVUVacXESALxnDa87KipKqWUR0xjlgqqBamHTriUb8g7r4FkHPwkHzdyun_h.zmWrX7R3695ElaKnu7s5T8GX46OLAzOV3oDwMj8kIEFEgFE85KJ6l4hpF.R6B2FVa2WSO6FYgz8j.kUmg3OkF30q6eCVCMtpb8yfrjEWohS72q7i4x1zJrBNhehOB3EuDO4p3fduq7sCQ6TKGm9Fe30Mz5wddWsYYM_1OJ2zLwbnWVtX9RSjGgDQVTax.AEMNsDs6YYWxNgOwAY95.3GNyyhlo1Pf0IKltRg0G68li1vT6m3ZZ9oNALrv7TEJA2dyBgDX4kM3t_BAHzNCYRTDVHCr.nua.sOF12w3DOfGSWFV5n6hPRCKCp8n71ryuuDy_CkSLpQw8TkvfnEVANexdLQglxWAvSkme2uDS1gGgi_iWLgdXinx6u9yKCyVd.q9g94UHKt_F40iARWrmPC5TNIMmvYummdXrTEs_uhW5t1.jQvoCTWneXp1vsPnF0FdU3m5QbhRwWpC4TwOhc4T_OmhdTxjyJqNnZTTVwa.eMYIn2goJxU_F2xHs9TSnaoGaFglzRnt1_.LH3TEXlyTJytATXz_fBp_ynfMi.rE7BOD.Sa1AgTybUpsiI79q_WU9bpApU19oV6tnAWeOpJVBW2QSwPXEJcoaZvTYp6n1b3gE4mE3U4.mLjv0Y8jmvqFR56RaXF1gH0957aJ2P63QjEhwXFPEHKEq7IQ3QzGVnfYNQDAAnkQmUaNP8lFWy956r9L_rhm9voHuS4Mfgpt6GGTRhxLtnLlvUaYtddlueEKE0Sne0RMHnWsGxZlnc_z5NUWa7qT8vIX_LzogZLS1ksbv.LwoJUNHCV_8grs8.vg_WXOoB6Gj8yQh_GMuI9JLuBstE7fSU73YfLM2vT6csflMhLowTVRgtyGdDjtgUWQxEXRhXRv2IryQ1v5c7S3HXmAy97UgJWNVgXXzMqKZskYjOZPDY_Mp6hXDF6y7JBiy48VYpBOmYkMf_UqXg1fSPuV7K3slL12blTkSMHTBf9gvQVWGJz7daef5wRpfpq7LgH60rqIXKhyz8qTZSkxEscnco6PoqGj9YHOfPFJNetoiv_KGmJ6AQDH2dPgo_KpKLI8mgXQEL_lF85qWMSJ3URl1_vMpRYnxYjzTTLcIYty9s5a9frWh4HMTjy8EUIaX6wFRgA4pQaACOptdu.10CbGcjWnSgM2Fs4c5Sb92_vW5dBrEZZR9kr7ZYLFUeoVzyZISax_X5URyFz69fC3Hjox9hcJvb0P1AvNCznjK4MhbybtvXTTeIxcUBEjEufxHxToAp_1.kLKPVh9X6kVR0iJMGgz_W32o5NQKchbZQ1UFg1Fz0",mdrd: "RBjnJ7j5QZKKcPi5qY..Fo.RrEQc.qfrzzb39hGwQzE-1739406945-1.2.1.1-.TdubxnBMar7A7GYkeA1Jh7RU94oi4Y9p_9a6HtSFybz09OcBeK3WQGyTiv45vyAuTDHe1gn2YG4EyYLUUiii4iXxKM9VM.zGZv14upZx7sRoWpeD4oSJKqDpMhFc0hm8ZkrvVDEpG.6lpPAZjxFp8vRMKuXh__CJAf3jFLsNi5x5XMIQuQES7FY1RGyF.9QYUVXFrHo74LJ09AmS2HEQqgiHbU46QKzGHwX.5oFfRwUzTIZ__nvSsC9_Bqa6avL3QBhatTus.6K9Me5dLtTMQhv_1W5vA35Y5rFi3bVMC3nLA.5Km85eSCIRn4d6HY4twbM8awuSAJth2tRsbmvo4Ekwrj1oDqC.3B_r.bds4hZprdRBSodqNdurADofDQOpq1JFDwTlYoKdDgZWplhDGIHOwFRDPxKMkq5VcT9X_SldZdsJ7HGSsa05WGRaxUCwNnzKMjqNlG2VB7BPHtRX5s0G8AYR_aj_N0fXTfKzUciWKr1.HDjSw3WX08_ZYY9Nb7yE3g62ofthN_OZ0zhnT.7s_J1TovLs8xnamwyPuWUphM9pWmDistJEYE66yHlM0ydx8kUbwB2_iCH14chxl2kDSeqbCPCYsIxu2pfIzAhlgTmK757imX9MD0nnMMuCA.Brlkb_dH4t0lRkqABtUGIKdKozIfdBp8mBk7UamshT6xTF8_l3pgL.Y67VIi_lj71Q8eUWsMLuudTDyglkLkTX7cHmhpeN3pPRFmiSYM2R4N.MmjEVilVTHF7XRtNKCZ6AO7_Q9wbU.iwwWGidtEgkUZpPBSavih2EMk6USjFcJxmLwKl8Qv2eNaVZpzDPJKhQkMOhdWgf_ZpoDtN485ID7HsJMknI_xc8fLVS8t_4676Gghi5wo3bWWrf5apwqx0Pi06NRVi5qwAEmQ7MS4L.55E4O3mgcBHmsAn5_QT02xs.jZbRHUFpci1QjxDUuiPSsewt2Co8KCWhwHqDmy7KdJAQ862csdVkxcFsqZJBUn35QiO_nGHi.U1l5u34GoZOELQ5wC5S2WEiX.Airmk6QheLdQJcWbEpBkAI54HIaEqjqL2mJbiXCfRYgT8e.g739etPk3f0zhKFbvgO3Dml76l3rKTaBA4lsg2ECvcCM.lRyA4me5a8RMErGExGuoyeiQDDUI27aX067trt_dkUGTx92uq7LeWRAQy2xLctl4wfEUIW6JzFIsj1z_lqUx97IkQt.Zv6OFBEk4OQYSWALawVp8L4Nhdq9dMFOpdB6TOimUw8wuXXqTkg42f99ZexMAEyG.PyFu_jcrMmdcb0hPIQXhaJ1C74FzDs3bVdg.PTjbjNjj15a7Rw5CnmzBa_5pITVxlOkoVSijstig5SNYVIY34syYAqKfr_Xfp7e1CntTfw74SO_glqY.u_8F7byO7kN5vR4xPoC5MJPyL4KKJhsW0d3zxNtNFxfxTuddq4v4OQRPHGU5h5rk5Q5FhcJ3JwvjMzWG9m4sC2_JbaZt5Lec3yK5cwWGWfcbI4jZGQ5hZ6qQmh2lVHo27RD8ybYv1QXmmUsp4pE8NU_KEm6wTeeuEzcH8qJnlP17zDebHWZbFC9bFVJgz2.GlV1N2PB0weoIpUkt6DykFdbT3YADngWIP0rNXp84F7S2euPjkS0bsOUA1mi4si0Xeoq5q7O6hYQzY1LCheWwkOToljGVt2wwpiLdv_OC_CAQSZ2md.Qt08Eds0L7VQN1MOhzYbiVFHHPU0JlTLNAJBJFVjuHXn8OVm1ftEmoD.b1y9I3eCMxmd7C6a5wUPdGYYa0fBIbC8DPQgdnrVYK57Q"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110bd7e4ee6200c';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\/4135706298?__cf_chl_rt_tk=q9tqTas6lsxDkwr153jMFfTrQmP15rFjVu.fmDEjJ.o-1739406945-1.0.1.1-zd3wYrSW68AF6hkDJ1p66nekaDkhuiRhqGsEQXgevug" + 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