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-590877477425.mit-edu.top",cType: 'managed',cRay: '90f69d427bc89c64',cH: 'dunnpBF11_.7gIlctWYnQuBCx6wNTP3_Ct7BHoZe2VQ-1739132994-1.2.1.1-BC.JuLeao6XUpOT2FmXHzBFUHest34qBB0fMApGQfUJntBZuhPiYrNCQApSj4f7H',cUPMDTk: "\/post\/2173960845?__cf_chl_tk=lDtrmUABIlYDL9nDZgCFLKjbf2qZJU.KoeYcHNHXsmU-1739132994-1.0.1.1-lgVS7hxgLYrA9BvPWp7XDsxOUZLK7QdMycP2fdZvk88",cFPWv: 'g',cITimeS: '1739132994',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2173960845?__cf_chl_f_tk=lDtrmUABIlYDL9nDZgCFLKjbf2qZJU.KoeYcHNHXsmU-1739132994-1.0.1.1-lgVS7hxgLYrA9BvPWp7XDsxOUZLK7QdMycP2fdZvk88",md: "Ri16yYB26jDoV.V6rFZFMQLZt0FzHPlwu0Y1MOMglxI-1739132994-1.2.1.1-_8PiWfmiY2MyjGEYxTJsISHkk5gYXWKSVVBprmq4lQ8rqu2lUS3ytOR8yeiG1GFeov37X7U9dSEF9Tdn_Y271gwVyNyv0O3M3792ZyL5XJtZFrGxgOpXlOSvdFWqef_hz_hYM0HtZ57lD.KLEZvaiOFaS3pVLJ.FjHt5mVUlgfcPfpNdChUo1WtanpRxMuSDmm.6M37U.y_TJc2kpujp4xROAA6uQDOLRkdD9aP7Io3QflxPdJVheg7b0Kh75MDCgAtMDrfqZ48xQDHPhOJQ1oRhWij6wrdAj6u2FIJMn683egEV1my2gcRXsU0lEQrzaoH.mpew1TvcHUBdgbA1_IT.LA0bhKKvSwLf5M4J8fHml_W2uUtWORoxOcWHxaSHKvuhAmawFMIMSLf_2YE2AuAMkOMbai0HLNUgrgj5oK3nGi59lIJ_0ZOmsHD0Fqv5s__fY1UaUTSIVmRUGd82O.msiZZX_9tV2edV_PVj49WM9uqGSN.j4mbXUDr07cn5sg8KVyaZ_9zL0MO7gIJDQ5uaI6AYu1fhW.5r.k_ukdRrCB6CKUKMhnz5EH5_LJpIXt.C4Iqv7Qp3cK9AYYz1YE7TJL0UkG5LstynenNZ4XbDCTwZQWAaLXAKMQoSeGdZuaUx8VKKPx1lCRHX7t9xW4gtZNCdR45gifZb2RX6.p0jNuCAyPo3vzVBfFYAlcpxrGSWnlLCz6q0DqELCYrrR.n_fezVBIOfnxJT5e5XQrP5CAGEhik0g.9Bs4VdcEsZKXBhOEc1TF9C56UVki4swFOJ0iJ93uFLdg.zvAuBdwaKPZLf78tQ1rzi8EvjfM7jZFYg7.xnLXUNoK8P0Afc02BZ3JEdgyhAB8JmUwPuTiIbRJ2R9Q8r05gEzBizslmjobms8LinHEVuejYyycDPhFdPgcjcXPZUScVCu05IriKyFP9678If3ZyIHbgOuMNm.gQvuNJu8wqEBosJlG.FJAOWpKzdCWxQNkbGobiLdqRGwHcN.6mqy.8u9oR.w1ZZfXLybhVMVUHX4WzYeNorgeC_ETPBAeoUW_iZEXHiemOWR.f6sP7HTf3nxgo72TrvJz4dLh.i1a3LgDw517lPD5FMNw1dsQLR9mN5WZ.6PS9HtuCTM6PhXWTQArqENPnxpVF4FXbW15dCXypeIvkeFk8W3sBjgpwg78jgNl5goIWRTZITZXvMYM2LigKD6xDOLTkdJee6ft.8_IUlGlhb21acA0XjVDeoG2m14eE.M8QhUPPXwEpZWSDz0GEZRnhZh8DaiuVvNzT6bTQuoK49GwvT4dvC2WhC9wd6ZDjwaLMa8LU0CEqLc9om63xffN8y7Zx9HeFw1rBeAI0_BT2Hr4.9QJdnUE1Y26HaPoEeJ_op2Yqq.slZr9DYO_5NXx0oRZOvdkBKY920PnX3vI9eh8lVdeRkxBWlbFouSgYdGzRVs8t7QPC7pfWyJT01C5AfVXwFH.XM5bvoOIjUiB0UAMqYcQK6MXu0RilBvsxQDqQQayHaj55M9ra77N1OPPaLy1AyYfXpJEaiy6djvKzzj8lVc_SWAlGHTq.P5L5Ot0w8ZE3unHBhNeh9Pu6PjgZOAInFkY1E6QJIhPd5T13N7eC8aI37wEZxdpbmpCus_lxgXG8nHI6byEAoC3zRQe3tuy4xoz95teQj7tSnPbI.sSqTZA.SXC4jnlcRqHLQF7Qs7zpfYTBzItcZc393LFuyTHY0IR69c9nqhRWrAKaZb6468_D_YvSm3uTkPOGvE.2Oo5CH0AmdK.UE82xtGLZX_xdJFRKPCFnZFN0qEQiwKVCOAHnzvgPVUD0yERTwCU_utwbALoudmI2VbIS3_9784n4UBJvWfhXiPEz4TT9Hd7rgEltxctQLQPijjkKVRmYtdCx.FoeHceuRg4_tRcLqJqHaLcZNAQSIif9EEDBp57zJeil3vze4VGFzW0Od1Z9yc6dTErhC_hrjqoewHRfNd80cnir4PjS5KWC108IbK5__2YcYJar3_O1tcEr4DMx2P.7ddfqH5cDNcUcRp0UOpL3uCyz4n23ptRgSVUZs5d0jLvbz9lJKiyYZQfFUdbqWF12lePjjdNL_avtDFp7MHfP2sw1rn10X6Tn3p_xaDCENNC0TXlFn1KXNV3tOUo0vkPbOb4b6nr6dIB.fR5NqPfDwf.5wunjklFqlAbQ.noPqifjzYSxsTlVHO0OIIrtnM8G5KOkK8LfUK5SwNbEz",mdrd: "dB83piBQlZuNQt6juKsmnUZQtpyPe62NZY._pQD6DtI-1739132994-1.2.1.1-UtTVuDig9pIP0SwPg7HbjXTD1JBXiXLCNbTHTdI9KVh7wI8JGjApAGp.MCy5dQ7fU0mZERtlgPvNVT17nu8gQvQnTqQjAZ.iWEVYWc41b2rtEeFcGghsc3buPFd.ijuPWR86CZNpC8_C3mOWXJpRl8tWM5lYIOcMyRxrLqm3nISaxWYP7eQ5yMQie9iN3T2V10kT8FR9zhLld0xWe.s84DQ9q6qnErJaSvWmW.HEbWKdK4XWUoZTiy9iWt8wD4PFtwQZMuDny_QDYgAPv372NXP_ZNs1wKlVlk7.OpfqtISq.lkmet5FVrJg9qtOLG9QDTCyNBvcHqlcihZA_fSTy9witeqJrFWjEbrCmJ9sr3V7fcgx.6YYK.0ZwWTTynZfPO14bNTRYam6QODok.52VgvvtfXIu77N8DO3BWXFvNlUwUecAFlgnw443qX.O0QbKFROWeIgchTXpdKReRAbeKBvmG5qdTVQD_ScYmF8O6RbAL.YGot5cklRqxdletrF7gbHjYXh2MJKrWupgvxasUExKaschUYCqoow8PGT09pEIjRi9K2Mx3i.Vl3oZYz1_99DqnbwAP6OT99uDPEX7Z10F7VAqL.WRzE7lYAF.NP8yGn4Wam20FDY8.cFLQ8sI.zZ286RAHvd_1sZnEU93WH36ueqDdxoVSZSV_fJC8ZTEQSN.uql9phBolrRHv2CLk8SXQvuHCqZO86iamAMRdONqq9duF6EUMD9XAR_lu6LrRm76Y2X4WVvdAjOdSX4vofc6hK2BYDUbvEjdbcyC87IDNGAnqe7By2fl4t.FHfKwZw3QYQyzyWxK.i94InUO9EL3L79LRtyDEpVwqYlrJYsSrCXptD4a7dQsDDtFuTvscLO5boYDVoGqZz.gG8WUf7OUt76IKX3VBl6rkWDEUy8q8sVKgX4mlElXBK7gmbLn.We7kA.icDH1tnGpRoHE9VUNO0S0H.t8impsQVcktOluI3uyuBZ0cmND1hMVbo9QpLexdJAPeO.6Q0fpeKqXFtTAsJaDjVMYVbbKgPZdQmgh4NRd1mCvf5qqZN3MkWgnHXR3kXtPcBdMfFmC1mk0m_Gu.VrGSfRbEZ35TZRnyRerqPEUtQ98xftOOhpwwbMxQtsKPnBKR5cJyXBnKLlTlMlYuvI1.U_eBLPAyQamhiTooQdxtrhTPIRk4Dg.A8B7daJVtDLHrvxhY6K3JqW3c1hEp9V9UHU69U1GBZy3WZzozWa2YcM7rTUpu513m3KeOgY8ZDe3fm8gkuieAQG7gTA6Ra5EbgPxu5BnFH7mngdNJCbLrhUlBgkUAe9carLYaHGXHOMT23UpZXMwoIp_X_5mRpwlBT9zzGofEOdJIADcNGL4VvbsKOAwZoy_XMOtfrIY.oFEMHxbRiGNxAnKRNVHLu0nngZfstDitjXsqwQgKGqUZolhwn3GWPf0GxbnDIghKsxyFhboQWrbEm0NIfNn_tPWffRnFJPu2f1OSCHN6L9hf9a1L66le_PakJtV_zGnl8_wjeulEjIb2ZTV3vnRLE0Ydj77SMKh80hDgsoDR4lCgEOGLEVexkxIZlloWV.35gaHA9_UxpV04Ztb_d2WaUuH4zqHh1u4wYEsQ81Dcy3K7Q_tXb8GJD2stUhWJT8swnG3GhqVjAdCeTCtUV9mVEV.jOM2r6Fj.DoXvbFQm_VJlNvX5vPvdUDcRaoDE7j_DQa1eMTLlLNfgkAJcODKV0OrWPNyzfno_MU_14AyJJiSvAWq6vcdNiXLlbfAagoc77LZ4hVcevnM6aU_3BNX0Vxe2O7Xim9dn1tj7jrUNLHOQCRfI9JEOW6Za4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f69d427bc89c64';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\/2173960845?__cf_chl_rt_tk=lDtrmUABIlYDL9nDZgCFLKjbf2qZJU.KoeYcHNHXsmU-1739132994-1.0.1.1-lgVS7hxgLYrA9BvPWp7XDsxOUZLK7QdMycP2fdZvk88" + 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