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="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-568421523145.mit-edu.top",cType: 'managed',cRay: '90f3a9ad8ad3820c',cH: 'CPirAxGKIurqXgcoMqasBydCfBT_KF8f5EbqZRCD6R8-1739102046-1.2.1.1-ey1jCT8dy3qrFg4hMHUJPNKtqthYxD_aqSty0XNQ6R87wtjFAmphKCjBUFFro8CF',cUPMDTk: "\/post\/5729183460?__cf_chl_tk=cQT5ilqwUtTMv7sLFcueY9ttKjIs2tBA9_I99YiT3xc-1739102046-1.0.1.1-xRZcRfi28pgSBC8LiBbfbu7BUACvxS1siSXa_e0QLT4",cFPWv: 'g',cITimeS: '1739102046',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5729183460?__cf_chl_f_tk=cQT5ilqwUtTMv7sLFcueY9ttKjIs2tBA9_I99YiT3xc-1739102046-1.0.1.1-xRZcRfi28pgSBC8LiBbfbu7BUACvxS1siSXa_e0QLT4",md: "_PYxwIf1WTp3ywsZb1xNuMVU2Cfn4Jlv68NzB0H5mn0-1739102046-1.2.1.1-B6PXuZAmyTjqvyUqwf8z_hguOEfFVdWoG.wLXbmKA0bp6RBrLoy2wgWB7q6Zq_v44EXoDLd7yZHhIzIraAM5ajTnr557xf8txi18u6x_yIBcMvy_avnMBzmNmsrq5NHyXeor_Fo.LJZKdVfaIttkE4xDhKCjgE5nSP9.KexXuxuH83LjzMof9NCfG6esq.U6.8QPOkmHAJhM.rSaNPohbk0wo3Gx4t7lwYnFZ9AgKgVA7liTNlLPnjHkMnTGFpPKJLbdUecIF8bohCrw9QFlDIagnOoRcqqcfDYcMn0.zTRZbWKmiXWabU0dtFBcFNOhQwfal77DEGARG33wuH3eAHsfP4mH9UxSUEi4hth8aNLlg.hv54XCQiySaaRWoR6M_nKLYMvBwwSsVaLgDoqFcK16KZ9KkU9g82N0CzS11VSyo0k79lHrD5p_9COFYpZ_rXCMhEODq_Fh7Hn1RcVEo9nHQvqYY_zjPRnZmmgY0XgcqIZ9laEXHLAmUtmasHkeN7SwqgRxR.tdaXO.rgmWKPbXDBxW.jnaKXxYZwG1cW94dhtVJOM2J0ru9N71fdCHD4ttZ2u5THt1Cid3VZtR.7ThmXPZ8M7nqtXXzlKoDBpBJe6it7m2EleXq76MRoHBgXnClqrVykfkujwrY3_trthI4Jy4l9f3zq38C35lvurIdOs5.yB4v3iu5wFOs5a9hIqghmmtRnJQaMtzN8ZsvICaYknhx4dJqoEhWWJzR1xYuFLHA4L6.jBgWn1BXQUiyFTIWGV3PrS_FoX7PlA3Zblc9KaWV3u_XWVlOTxAmkxla6sDG6LCnD8ma7.VNIaG7LHl.BZqESoeYyArFt1_9D892KllB.LAvEFEVeCihc0sV4KlnNERAwXAwwcfVIN0lJP0x3eXZ7GMAeHnOB7XiJ5X90LJxpdahXl_cg66bSPaGr7_5T7DQtqlcqXu0K8JknY0iR0zwG4dRSLTW5HbgP3umUKpTUrXDy7iIEwRTwkwyBungEN6bvsVnPoZQHk5_WkdI4RRZnT8QbBOPvzx0U5vAXE1hXMF7zjNQ.r1tMD0vV0_gBqqe3OQjNb7O57y3ESydWHuHkWjqgbecQM6DGGA7q2sMZIn3oviGhqdN7bzhy3llau3lWwjaHhWd_6nwoR8S2LlVBSp5Exi77oYugdGcK6ku0kJ3_qaBQ_hLFO6xe_I9zTy5YWcSl3z0U4Xi.Yj0tWfQpwXCW7dQJbGaJXsK43M_iFrSgOANKNI.Z4ARDHszasyHBSadzl8pkrGXi_.q1XGjW8AVjEA_LjAuJH_NXvuM0LTTiXOiM4m1rn.erHEzH.urhHjfKRWDyPcDE4zv8oy7pzFVJGadLoNFgEPtL0xUI95m4PBDj4ACnoRJusSsYIxwtfD0sq66bGCm3VcoyyqaitGBGvIm7UemN0sddI66G0rzxwLz11ntaYdSKvDnMhR6egSxVVWWR97RrD.FG4jCd5cM3TDgkOwm2cw922gH_MlDstOdkAlacgrh3jUbckgkvHstj1WPCNAxnUY1sgQOiGLPHxrIar3jJU_.01lwSELnarPe7ADI_ECSDgKbBZklXqCk96w1QvRxbA.UoUKKkhmzfA2.VEWtnYgQmeCjPhSMlM36wHhYceT5WgZ1FdN_BWPaY3XdtdRrWHWBzITZcH8140m9owpsZitFnvPeCH_PJz7Rsxxol8LgleA5WGV_BCrE.xkyLdNW6_NUDitk8IOt5TObJBgtn3bf0G_TxOojzRGmpmbCNgLc15RbJV0OhEzWOwOpxQAaRVGHKqkj8H8lIe.Ntqz5CHIfDNJBjrmfjMCAtHSIN2OVkR6h0gx.h_.djgysxSdlD4PbEQNBS6Ud8dVb9XEjNq.dhnkSWxSw_njTWTpEqUdCnBafMlWCIJuKn0tNSGayk3jhmHs5.zuM4cIPHgYjWxE2_KMNfTbTpN5QCGPAXIzLDmW5k19FflvMoTG4BH1hFLCDjepZty2ev0uT.t.I13esqjBVIYcIxSrgeCbq.y7AoBeQDeTfJQ0JlMAgyEfbxDnRna4YvZNUn.j85Qq_KaQd6hJ1OYc7dRL9YkHh_XRIFAdMTkVF5e2xMr86AhCLceJ3W8_wuXC4XuyYQLLHmmpI6Y5bKaehWMJ_Yf9bmRTE9jpBvUKeyLr5qgrTor35KE.ekXke9tTj2qxFuwFOnUFAWNTE9X1jwKu2EKnBgWv5JdzjnDtXnkMokbESouY",mdrd: "rAb7Z1Bi.QtgOBZeOuXOdMEfkMyRxlaJ8M30B8vTtI4-1739102046-1.2.1.1-Gpt0ewjRBmvH4HCcUdv4vZLYvoyfNBoA0kEgEjN2DFVpE61.R.emt4CGifxB98qz9u8ZmFoaAByjZ7xN8OhUFyj88Lv7zlkr4lqmCWx1494iXIV09iZlO.msK6Mwt4RC4GBSg8MH0w.FbfD4hC2tYzc7TzLQbhZAbXraSIghPw5fMCI8nZfIsSa0.AiYnelMvz47Q3PTlNtOET_vZPZzpW_8L9nu3OFo5QtuADVjfI62Jtc9aAucCtelpQ1Wu1nTfYpVBfQrXjErnmTa6g2Nt0jbUCB1.UFAJ6SKNMtG66dkZ2x5ooDbZuqnMX80nW0R2.fH9CBN35l8DTOOEUu75OT85pcXodrs_ZhoUcBZMC1506W1VWgPVMwrmqiRDUmTiWS.gkO9U26P7gOy19xCUw9aF4bjEL0RfyeMKwHd67OCVSDyXSazJg.g_ueaFJ3Jh_mdAMUUOvRGhpbOMDB525DVeA.GNmIhAkFuYmPLaXhPyjbSJEq0cKBG.pZvPD2I21qgVW9egUBvnPjzzF5uA_Hf2ajh3uokaSonNdiyjRRLpRoAXy_Wj9arHLhBpEHvLC548GvUSmSutBr.6T85qOHsYohuglbAROaOWZzbBcUcizUDxpnVs19KocbN8MdAUVU6xM285hsjTIdTxQ5cDW5YOrjsQfcMTAQSx4055eju6t1yRFl97O6poNi2ODJN24PFZHsIyERBlpFPjYhYWwunhBe0g7g2ndRS53kjnAR6_N4ugVobblKNHpLC.AEXnqsWiRwhjZ7In8lPbMxk9tnJOIisqiU1No9RYWo2dtmWshrCPqfHj3iPe.2Xn6odss_jtLjL2YEdl9F4tuvU9rtP7Tv6T7Q21OAY7.NJFS61lun.CkYySPanxo8KUCFqoBgCqkT7TgrO5kHfFg6KvbKebXPUoFAUQ63JFxZv8cIrHFdnjHJwSWMXh0O_AaV_bcR5LtAH4zCLe78BbbRFwwb2UYsdFupjD6SnkbQhPEBbxCr42Kt4h0mhliKEGxoZdCJAVVDn.J4.dD9hCay0axAkWJ5B21.iXTBGtqY5BhjdTzAmZVaL93bzGPvE2keI3dd_e6bF2rvDRjtp_0qnYTPrSaos_m1xJ1HfXBMN8gBoo52ODgxmEyHRPhoHZbsVF6waNfAbELwk2W.Ci_tJw_GWNKgczXuwBslRP2BjSmMa6KN.TmHcuYtd10PQLe_vgEJLPhy9vCp.pjMrhvn6UpXxPQSVo0CVX0Wc.mn2caxgVX41cxlWQ0hoO5RmaLO3ks.8n.C0g89c8LxgQg.WO_7n2WgF39xkfcy6bXNa9bqock2heh4pFUuerj8bGFH71nEKWjO1yDqmocY1o5H9PqVKBOhtACKSUOiyCZfB2vhUMSctuN0XEZlnLl8S.QTSb0sq2i4n91tW9YEeguL.SqCERzZjdPWjCIWxm1ZXZORj1SJJ7wxjLCodHswQhFONH3t0hTqfS4A5tgVwt1QTAz3Jn_pHJNN9UPrAuCNJ.xxzwK52JW053BRcuw5.eVVkC2IOtxFJcKf6Ez2ni1Yt.SGftgDjzsLhMWtRAkyOFUuSfCrOuujXQLhObeFQeUW1yX976zC.LFEcOGZMgqJyIve71pFf31z0phYdcAMilTA1tM_UxW07kyGRtrQsz4RkviJPQjpnc_4IVF5bqNKOQEBNlmkzCvYKnPtvmmA84GU1RC20KXj_6hQS83xWM4lBmlGa5pw2eCw7i_mkgGUsA43RXav6gHWdzav7OaUfrjjLQXnTvKvKHUvnqWFU7y_xQjMl7mCSivrG1pqFp7YVzJriMI4XRzFvk4YgfkhHJoU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a9ad8ad3820c';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\/5729183460?__cf_chl_rt_tk=cQT5ilqwUtTMv7sLFcueY9ttKjIs2tBA9_I99YiT3xc-1739102046-1.0.1.1-xRZcRfi28pgSBC8LiBbfbu7BUACvxS1siSXa_e0QLT4" + 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