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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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="360"></head><body><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-467418775893.mit-edu.top",cType: 'managed',cRay: '94b861c1989fd6b7',cH: 'DhY20myfGRAwXhE8_13NgDSWYnPiNVK_nDj8R4aqiN4-1749217858-1.2.1.1-BlUU4rzIRpk30K4CXqV83qhv.t9SQ833gqV6AoP8FCoOkVCk80G7cjDjlbxrmTIA',cUPMDTk: "\/post\/3012976854?__cf_chl_tk=Jj9BqdAce1DqJ6L_NgoQmQb74encItCbOEEU3kSF3N8-1749217858-1.0.1.1-afDsj_eHV2ZW8gfzt29miGNbKZB21.D3GGtG156IwNw",cFPWv: 'g',cITimeS: '1749217858',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/3012976854?__cf_chl_f_tk=Jj9BqdAce1DqJ6L_NgoQmQb74encItCbOEEU3kSF3N8-1749217858-1.0.1.1-afDsj_eHV2ZW8gfzt29miGNbKZB21.D3GGtG156IwNw",md: "Zd1OwLp__QPcS6FFWC.vnZCpVzkxoRKeoTz2WaHTliA-1749217858-1.2.1.1-O55kR1O0HKp4Z8YSC_DIQfi1duIXwZgfLUm.2XPOffr1MCSMxB1.XtiNZKnw8VvVhHJ80vUg95IqWRCV0k2yJROz7L63vzjOQCKW3Eor4CSF7yr09NO..LOMk9AWcC7BdOBEsJeUa7ZSn26mzjZFSminf.LpMkASEca8QpeQwJlIgbU62k6K_dCJgZsMzUVBCvwu5ZyIyeS3wOocT1R3D3QTHS947MtoyM6gp_J6D4OJaWDE8U32BGg5dX92Z4v_jBNtDyu6THuk2P1lVx62HPbNJmuuMCwvMPgnylDClwJ8M4jWmuiqg3xtajW3C6Zr3bWrHSEZGU3ug6nq24GM9ZQQ7OXbT79qDUgrek6s4hTOaSWtvTUkzNgjZMoU1mGa34qe4NBS1KcbFRCZtC_MYwclPuu5umlucFl18z3obJVHgCoZUGo4xfwUtgXDaIrPnPEoFC6jFxpNhqBM7M9rZB0suX5_21WDMGdI0yanMIz2kmJYEyUsZK8RCh.MlymnzTDL2BaXIHOpF8AoaH9GUAB5tj5sAh2_DaKnYTrNdgLNy7AgFxLgzH490tvDFfygTPAYxAgIw7Jdq4aPx7Gmd4o66UQrX7Sjsho6Pi5vCxE8QIXFdPiMwt1c9WRxzhx1P2UXMMXHw5jUmmgE1CYmswpOTWpxKlscPo4ydBffbU7m_eBDst.AZUQ2bq9bspG4xISi10f0GjUkaAaPhuAvtc7lWu.3859.o98mHtqJezQPnjOeXxjsoUMAqscY1Blt1L0uJWeE1BvdVtAYjMzmiL307NKT9UjKYpW9gw5c6NNPDBmAtxQxwaCAVa1bHtH3bSWbECy0571PFIfEtHIlIg",mdrd: "jGtzDytl0YvJZWzPmLC.5jiCH2VF0aDytOz2Vw2.x_o-1749217858-1.2.1.1-pc9r2otTFni8eYlxPMHYD20C7RCQ9YThbYO0i9_NzsW3HW898g.qqUX0ASz1MYOhbW8c87f2DbnHxYf9qG7g3yLBZb.ahPoxqQsgCn.nDMlsFfd7GZPcn8oPk92sJEfNsvEvxeC_ThHhpVjNeUfh62ns92sQqOW.R6ofSqf8wL82qqCDX6ImH0Xh_dUht5zUZiU95_RIVrj1C2UXff3weBBvoIdaDhHRJaq4v_N9tW0SQcOqNfF8QiKhZe2S7v_925xDi7dxZpDqEf5HJi4MdjBLDoGOU5FDFTlo_k.7rNU1d6n6M1jXixkWKLeIOwiRe12cI6T3Y0yd9Tlfso9qi9xHgC6sdi6jPxnChwHDJzWjDXgLgbfluWw5Lo5psnvSF9VC5YT_AfRYBOLMmEd9M37brlT8qxk2sETvVcSLR5waDdtUYesoQZitwdzLehzaGjdlhR4R4OrTC5YhP1Cm1m5y5PajJo9nKL03QPDo1qp6LuAowO88x9jz.mUoP5PjbP4OpIvYZgnbvbvqTCRE6KRIeGFz6MxQTBbPnBMym81Uyg4t9_kzcJTO8hZ8.J3FeCJHRvWEPn1mtXnilo.zISvp4.G3T93Y7cEUreXNtzTJE3QakNxM8GS7pD60dH.XZiD6oy.T1EzZeH.9mq6vZVtlRGDodGiY0kl7SsQEaJ_aKas1jC_Un.Hn3LguBX0t04rS_7R7c_8G2Avwaye3HHMz6FBKmY_DbIvJ1muvQFuubevsSnKEAElJuhH62RTzip6z3vJSCdM_Xv.1KHVTnT1spH3Rfku4zkyPn1N_8ay6H_4Z2bgum2Cj6x0rFqmKW.JEHp46zp4OIkRAXg626jGy39.1wqF3NNX_ZViH5uqV0P3JXQqkFwWYLMda5.Fc9uAh0UqBq.D1y9ZZZBXDfm6tbc7j3X7pNwteDij4YTOixvIZDRsbJZtyCI_Kg9RWXbb57xvJpfexrSAREgGuy9ylRHb8jyuLMstmYWQrr0MYek.fitJ_F0CyUlNBe.o5nKFiUonHLsumveAg3MxLqEPWhqC2haz0rULREwa62dViJPd2lMB_pEtHOFYtDYqDPe5VFLfVl1Vq9LU3BHcmBsUTx5i_IS6.FFKDkb5wS3uRnzYVvc.dhT7RIL5SV831DcRBwOoV2kK5LyKxPxjnlQ05cjPgdHBmKpEps4btGQK3J9596Kra3dIEYnLI.o8ZdG1Q8DvVpQlxLfvSNxquxUGOn_pVU.WDLg0bGHXY_MKGsqedfwqI0aBVFSktLOWr1m.fJOUm2ravLQHI6hRByaVPkGIaYSTcc.ul_sSZe72hbEoXzKHPynNs7LkBkKOLPN5poAQ3hy064zC8AhI_ZCaq21xrp8Fwo07WJ8YiLbquOR0d3qz8vY8AUQh8wW7ZtTqNdYBhWK.dxZ.ADbw1Em4b3M1crKGRTNPs9UyUaYUORrwb0GdEbHCU3kx0t9N.iqYwTk2MoZJ9Mpa7yLxFo7NduowQyO_Z47htjyFtmQmg4nUuPwpfbIGi7LcrvWgopVCJ1ddBZYdq2rW.uakYG8ya4.bRsxdz3l4mHjew0pbJPS37EKwtNbizYLZCPz5DhMDBcMgGf.GjsRn60.2eS9LJgGk3XM7GVgpXWOIGD5tlK_BVNUH.xlC0.IjYTCVJ16r7tRz6GOh9hViwiDNE7vSNQaXSpDLwuMzU56mJDeM0BL7JZbK34EoimALZU5MlYSaoqFR68aVonqvYPyz.w8zfCTHRQTvCL3SedjLbWqD1G1RrdOVin8KL951vr5vTMfO1PTQM1Dv.pdxmJmsxJBm07uLIJGy3M3kpeo2fjT4ZBLwgjmH1r2QqlJDciZr4kdaMykTtDPCRVePe5Xmd3g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=94b861c1989fd6b7';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\/3012976854?__cf_chl_rt_tk=Jj9BqdAce1DqJ6L_NgoQmQb74encItCbOEEU3kSF3N8-1749217858-1.0.1.1-afDsj_eHV2ZW8gfzt29miGNbKZB21.D3GGtG156IwNw" + 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
