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-300362488697.mit-edu.top",cType: 'managed',cRay: '90f7a9257cb15716',cH: 'nwf3A1lEU3Vf0Fv9vcEFPcAOESzEmTmCy4NTbGRb.VA-1739143967-1.2.1.1-5gVqw4jooZhSbVPn7m6wCe4Ohj6HqASVDOJXYiQ4VdbZiCBbs0ZbiR7Eg.3HOSge',cUPMDTk: "\/post\/9047683512?__cf_chl_tk=M3yyCvYm368PkpWub1_l99geua2k8w8yS.p2LAHtqbM-1739143967-1.0.1.1-zEgfRSCOS3ctQTw1b0HqifUKfUnPd3bbXIC7BDxjKOg",cFPWv: 'g',cITimeS: '1739143967',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9047683512?__cf_chl_f_tk=M3yyCvYm368PkpWub1_l99geua2k8w8yS.p2LAHtqbM-1739143967-1.0.1.1-zEgfRSCOS3ctQTw1b0HqifUKfUnPd3bbXIC7BDxjKOg",md: "9uCEFel0MWgKOzRdlAGDyf3Z2h5blVZLfcvgecVWHbY-1739143967-1.2.1.1-mtjvNcWCe3Binyhcs8ZviEII6CnSCnPk0vgTZ8mp.zmUkHEEUNVuP9ylRzeP4HxGQkbk_W1mM9gRW6etKtTLhK9boGA2RsVpDwGA6o1MMT9zfe6EvH3h8xlkhZHtjgXqCwrdqYFGExpV7cPV1MvIfOFL57B5cIrxU5TBtwFwXRb05jUW2g6wm_pa6spjgWTmC85bvuJSeTHvcj_MLBdgMqEkL5WtBqXqqyCLniRxBFftLfn4Hp1YOnNp4jxalQMcqzA8G5.thW86zyIhBhaL03cNQPfu9742Vb0yd89YWrWQGV2KbW5ekm6VKyWjbO3gtrasqD3tKzMSx3kEhJjZNHekiXrDct4vk4Pxtt5wV1IksLLYc3SQa.UDuqAxpjhNX4UnA.C3vwuJvCLiYKHX5zrz3bYjO2EDOEMTLF1Zdr_7XP20uF2fmRUe9RG2ggRXffkJgK5DbQMECDsScVVwzNspKslSAVWSVCApNHW1k2EFCAGTCuuhDd6M46_blpdmPsZx6pX3fagzoF8czZ8UHYOWd8zD4zlUqkGP.c7Mf8L9FL8gzswqrU4keHSr99Zl4KJ0qccBnqZB5hMb8rCxSAGhQrkamT.p4NFdippauxHGhgucBM8eOEnoX3VfvgeH9DuOIkRyMZWCdpnvjrVowbk01q8coZBS5N0m2emRsusSN6SwlIGN7NGX_nJFTXjxxF6VSCN48P8_ufcewBdBb9EBKaxpymP9opVzgaaSjBwzqGK8HnNlfpAPb0bdcfZ0m_f26Ri9N3BBUz9EZCtzARlaXcgZ6CSWl0LR1NPiqb9ZHthDJKkf5CQHXe.W3OuFesa_m90XCw1kKP_1rRXOer_V4wBYRN7EJSpJS9IUQtXpY4UpqL9BDY69Ha22hnk7nQyVbvo_jT7ZboaOoqRS8bk7lrqJ7dQpamcN2pMiagGw4XGgzWo7.QU4VTYkln7dNcd5VHtMOb.8VeUTIfuw_wLGEcEOi69szafi8jEV6CGOslYj1sVgQ.HdlM_K9xOd1PVRaHn7T7PiaRGbYqtk1Eps8fRbWq9xF74TB2n1ofxEjCa4SM1tkzU4AzSupelG8r5ZtrHGHAFtNBmzdeZK9VqFiJU0hZAn2uC1I3cCIgWZ5LuCf66i44J3eEB5lNvdv2N4BWcXvobeFGyOEwbd4FrBZ4pJMb057Xz0acch4x78hkaSg2kBB5hqtGGePXms17VDhodakQHHy_Sk6p9Xuu5UftxggtSqlQAT.Hga9yOVthGTLPFCMPEIdU2HEEkzEz2s3Wjkgs2p.v_45F2jk1t0zL.bsdkdqDeB8eGx7TXXrsiqoCGi4NE8kE.vr9bB37OyY5MQHGl0LQjStuFj5PtYJjuwUP8yzF96VQMlVDlJb.l2Hga4mFnWKak7lsykzThQk9JIoFG2JXr2xGnfMoQxz.wsnlBWBXJpAO2S4w6NxjOf8iV_RHLKfHksnRVqDnIByd9CAcaJFWKCp7iQx1BJ9T.W1JrHr99N1ehyiQQvRfsbOEOPMkkdvfQdjXLkmjjVcIQkGEKfTdCg7Ax7PsEhVAhtAmm7G5A.Kisn7zyH6xZ2k.GMVOZHkFlGL36zvWD6i.fQZpr1n3UmU0ov7ZGHsVor3.nziZln78SL0mFQs14i5MO.f1LtXZUEizAHY_2F4Nnks6.WwqdBfU8A8f.MVQJNpE2kAinWw8G1fMqebJ.fsgrcTHDDp9OPyn79_c9xm0HPTROei2i_Lt2jfrcRxviqhPaQfQf74K7gMt16qQwwu15wKzWOcBuCjUBK1sCyhwXUdZ3Ty1vY1oP1s58GomU0CTmuVMz72oPb2CCQo5YvHUR39Uwp.2hyQDUYF6owNKls1UpLHqZU58EQE7gQbvGWC4JjW5Ts6K3ppHISwWHJtoUhE4grkZYY6X6i9q0Lrwj3IHQpVWXEjpJs7jzIH9Kc8Ed4h8JkI02tKgPEFQIpfeEmxb7Rzx.SqF2gQjYSNJHwiGIcehm4SN8FXT92x86ayq0s7gXkUvR.pjXLT5IDAXySxoJjboCmixOjx_G8_LFH4t.OpexhDqyOmQ6eZwye6dpgZyBuiLzHDQRAwubp6eMjDtB2VQraU2P3LTvi9lqLAZ9CG5y5xwcpYGtJW4fAJrvXsjRCcyDzpIOd5YK2QAFpyhg_AITd2WobZZeeYkrl1tap5L7qMDGjymzq92ICR9Em20u.pCQczSiKGi4NALlFSQoLz6SmR6jq",mdrd: "mYxxR1ENR.iaRIR55LYQPRp1_jd1SOeRGRlgVfjMJk8-1739143967-1.2.1.1-EKiCsuCwVStyZArGBZS3ujL3L4GS71LnenldUhDM9PGE0PLhvjCX_BS5.bf0rGI0HE5NJnv.faFF_quHTGFp0CqsKEsvlNOLvPW26lZK4ckn6mGv3RDIZ9otlhZz4OxBb9J35_NvodKyV4.48RyNzAB7_Cv_aCmFNEGTPXoGqWqK0fRuPr_YxFtIfuetIOBq8R.VmvYt5VuOTemB8V9xHk0bnxBThlAKHvwQKsTasoc46QumHxaP0Ih5j9aijyR9S4zSUInB6lPAj1ILuansY_Lcc.Q3hAZHwL28zCXyfINsxZ2tyiZ8bMKUhqxBrUKZjDlfOVzR_cFksML5Fs.6qh3ajQUBiZrtSoT5lR2v.n_hWbPFIGd48D5wZlzJJWyECMb0MP93hkibQhT41T8ycyTqHACN9mXZAQerUbgmjLaUOM8LxeeJzelkITk0zobDVg8pDszf8ajNO5Qr6kdBfF6J5Nu8IgBMNOgiU4ngisla5HSPQ_UK4mtDsV4hLQbWLbfIOpm5EHPdCopB6rI79VaAky2qCdrC4ADE4evSBiHLclyEs5bR.OGHTFFo.GhrP5s8LNkFuCk9Z33RCiQRu3LY7ruBXjgsrJ8h4Fs5hOhfz7.HkEdMFaQog051mve03M2CVW23lWXnfGI6Pmf_JAMWmb_dtD8fIA3wv54EuLsIL4QjPjIDoEeKxGHWU1a1_bDZVEB3M030ulO3Ts2i5JngSf.ioa6mqe9RzW2SON6YplwUWH0X6m0OPojBlBmOxFtGr..61wST8eHvdYBg634BM.yO.gTM2wLYs4PSK3M7Hv034xSC6yAgk.htQONrMARbk3vWOPIivccSURc5NNC.WZ64LXZ_5h1MWdCBjxT4dlcQxddrW4WlWeGbZtfIw4hxYQXi7TFVRoFbxI_j1CNIR3OslE24AFFM99VRvXnfqW2lVmnP4r42p1zcIwRM1Z4Z4N.FMuhLYoLyfMCEXWu_B0ph_mN0YccDTj3nqQ4KsbWBFiAG_8Ale9AkrHMvruct9VohvnamqB9mBxfHw.TcMKdREXHinLLCNSVVFCWZT3cKGRIOEkKsWooPDb1TxJmHX4V5AYtIgf7KF1zYMcP4XgbuLyxb2xFsjGd.XEhcqTMI8GuQe7m0tUXrarvLZdr_59s0hUKBvMWTSdLyZNyqT48dc4S.HGdvnOmUJvcwh.EPJfsmjc7tpEBLz4mQy_SaTf526viqcjalJ9hK0WyCTxQka83SZ2uIm_.VzJ6S6gJapV4qHlc57Yfs80tTZS3xPxRlWsn5PYJ_kUvOj6QIsUBVt53dzX5bIXyj27.kFwvMLZMq7GBB9jCgjX78P4MnlDtwuBoNIwDDbrC6W7HrXmu99kefNdq95LK6QIlTJnJUzr9gjSdaSNNycfUF8EUjm4.i4EV3SAOSbDc95VyX6hdPlZFDekNEvcd_dNpFV3NvbOVZp1SxlnUASVIfyOAAs6pL0T4VtzhNHgWvuHl8OzhDbQ7_QMQVxv1bkGMU.cYN8jxLFeue3g45wTyI1F_0KuoC_LkMQEDsuWZzt4LtkHn5YxQi5QHeTm72zissODp3ORLO86ZthPjjNhrkVMtDKhbXg_UGFZFGce7EvYbfwb86SKcNlvKlk5HA.G0THMGkgs8TUavL1B9vlEiufhrAD_ot.Bbi7a7mwOg9QWCwxWAaQjwzbi0lF93r9QrgVX8p_nKMcC4HcQ8BduZ_VbkPc7HBlLQQzKVz.2K3DeFIA90Z.7yem8VN8Gg6A6e2I9lN1TnO2AZRKBWstZnjaiZz1Ah3do66bhFqv9T0CDDa5fFLE9kX_R4l.MULWfQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7a9257cb15716';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\/9047683512?__cf_chl_rt_tk=M3yyCvYm368PkpWub1_l99geua2k8w8yS.p2LAHtqbM-1739143967-1.0.1.1-zEgfRSCOS3ctQTw1b0HqifUKfUnPd3bbXIC7BDxjKOg" + 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