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-171172643476.mit-edu.top",cType: 'managed',cRay: '9107b7e329ba206a',cH: '0if_UUnmdzK98tJi5ZEuPvoHqkd30tWzdc5q9pSnbvo-1739312343-1.2.1.1-7kn8iWnQkjVDzdgyoTtrD..8lZuhyFBNstGFIwgUt_o4TGKvf4Jw6b5nM5x.BI.t',cUPMDTk: "\/post\/6235079814?__cf_chl_tk=v1BX98qf0M77MYxBhODl2NmuaD2t.BqKm_G48i30c4M-1739312343-1.0.1.1-Jc91grAhwHQLHIpryq.mw9xsoZJMCsrXN6DRPxFJex4",cFPWv: 'g',cITimeS: '1739312343',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6235079814?__cf_chl_f_tk=v1BX98qf0M77MYxBhODl2NmuaD2t.BqKm_G48i30c4M-1739312343-1.0.1.1-Jc91grAhwHQLHIpryq.mw9xsoZJMCsrXN6DRPxFJex4",md: "9icwkyId.WSNk9IbSbPTIUEA_tGxJByLZ5hexMEJFXc-1739312343-1.2.1.1-gQniAM4ITYD7rpowb3THEoXWXV7ssHl3Emj_5vllUIU5Isn595V0rfvUMt1z18SgE1st3k4yTAcSi_bIlM0ZhJAxAnQNFUil.CGQxl3L.ubJw.1oMWMONKQFDVlzGAyScKjg03Ws45bnrjl2YVjrq_xZGOFyZw4cobymGw7LnW3MoBhM913ASugEvm64Op1UcCLz3bYS8reJnKGJSp893gxSHRdBkK2FCPOfX8erkNN45CSvLMr2xrL_Jtosd6zeZZ_o9MC9_Lb7FFQICvfOH9dhhOFNr_GT8dcQGXEGCUf1H9t_rOARQvedKCSMg6sHPTzPo.i2sKoeu5atftLsT3fTYshVVIsFT1UQwcKTSM5AR2n.dOyA5.elcoMYXtyLCBinb33zcr0Ds_TY2gi0rJ6JkpoSBFAhMcJDypIYzZSUjk0Fe1sIRZ1hp7YDZdChqBoJ9CAKYo7asbMzvk8ySsvKtgGVFCzFUhyPJ2u4naN0BClIcnuYBYvRTnzBBRdmAA1Bk9vzWAfH0eYX3pv7bHVI4HdaQfK8cJx2PmQTmChZkr7K8vs7lwyvKImlj60K1Xen9hP.innBJ3jZkasNx8zxAQLQY2VwinFEd4omEFO19ZvPGpk3_FhbuochAj8464ULTRPYwOpx3Bg27kBgKXyBbjkbaRK7DkOOSrR0aVDndFRyja.tN2dvWr1bW_y1G6.4CLJe6XWWRUGXiKmCxiHph9bQJjhhtDQIiH9nGr2BZlcVo0KmqvtGVA73RDKTYEvGS49BAzog56WcQFcFZqYEvANQMYbsVSdcEVkepq5aUBFD58n.kT7VLGrutz93m.owSqdcBQa3rkXEXncgaqfl41ehzU2FI30kwEJEJp9_AP9uuoBEh94s87SL33JW4Vj3NDEt4SXOuK4vJK_.5NQDpPf9TtHWN6T3kGKX2u4pLktvIHVpXnbhH5JgZ6vE9iTiQs.BX2Yb8Vs5QLBMMDOz.qjcnr1FhVuwl1aC91qCOdj3ZpyC9GZlF6uLNAPzCi2boavHaGcTQIYT7mdHno0Zmv5ux3KpZ4bHKoAQjJAt6huEWFe7HRSN2TLTBADugWvxnBvSQy7QWnJzP2ETFPkHHYyQhjMwz9wspierBb6sXspcVcgYFyCnT8q0_eqaoPELaVauaW3eskO_X0FwgZLhOCcyjFAe.V.QG9L72TRWZ.7yTUjDdAtJRXB87Bxb3307dXbgxRanfcJnlh4F2S.RoNX9pNw7PnXAqD0jM0mumPXQAZ.niBPD57cFcLctEumtYjVs7_COiSg_vAChTeqHyAR02lHQccYFRm48JofENBk.jiKgg6aBecXegvzKwKdWGW7nnlLvbD16U2cUmlzaaG0DPadwGrhU0Q4bWPBsi..8ENOGnnoaRw4KFi7xNz1e4uXRmLMmBVxWfPFnhh3h8nCKKyfpxkJIcWp8UMN9Z_mHd4icOMMo4VRFoj5w6XWIIlTZ64.8Tq9WbmmDj4vuodTvCPUkOSdfJrWGxGRtiBXnDM1dTcAe9fPtpDQCNfpg2qRQYlXXW6mceh.LqfmFIcdRGSdOiN4JPAv49Rag.ijGcaEmmOp5zSG8V2D5hhgG106RdsfDQddID3BC0xbVTVsL4RIJ3sacKvvnc561sPB0WlICY83GnPxHcu_LcHea9ERzxY1SQj4Yrx2YEzTdcVBwGU4vJgtJBnq_jfACqcbBkKFKQ.kU5DzdMTb4InwgP.KXG00uORS6BT_1H3woP8nqnudvUxEvTjFjGBO.sQw5gfBfRxrzQ6ozKVVh7LycYzgkgnk4ucxsOnIXgffjYqDgHQ53j6n7i4.or1_c.Kbv6xrpuCJTQf9abseF_YyFMrBjAtfYnO5bdG1Cbf4dUYrJSNPu1hLgXXQDfxn8KrQ_YqGFDn3harC18meZOrv_VmQ6T2WyhZdXe5UrQ8.oEeeq9hYPozzq1BFdJL1sOmUT00QuD.Bby47pOc2UQX.GOEUaGi5HMyVD8d83rnLG3aCxNAVfCPESU9l5wRRgQxHHIKZM_S3srmQ7EMCeubMsCVyxJHtm.HawoYBl0j53y9WfeCHkumL93QawQD4Zk_0u5zTNzNbQ2jLoiOyqC5QDrFU28CcoOnquibq31ne3_AUZxy85zOJtCBDHBiWzTlboxXHWy2xQpkUm5cIJ3J73n62vBMN80UAjgHupwbE1nsHKL4MFBh5Z3vVDQaaUsEJkjxV5AJxsbz2oNGBK",mdrd: "EwosK2LBP.32xPyQ_RPUqiHR6re.NrCJDsAqbzGGqZw-1739312343-1.2.1.1-kLNzCkXDcvAV4_eamlpKdr3.LBQbnDnwDuXvOoJ5lIqPzLLUgHbE09OEGJ1h0OBIe8cOhLpuGk3te.Eflu6XHNbHITC4li24HkqSyHO6TpGBNLUqKzOlLUN_MxsFCw.z3qdZyfeZTLCcB3w8GLafxGt8v6U01eq1ISrUdnJwSDUcu_3VC2ZZKI9ofVcacmnNSrhJWTydIOZ77.qeqvXKP6ADwKVlGcLalLepiUlMrkc09R69Q4IfmUCvGxf0RSSAsykvaBlOYm83hhYP2HbCBB0zBHddNXKO6zPV6sjdvbVqvPlMH6_Q9g7TJSGkD5f3ShdBL0WKjcdc3Wsa7czgC0B3H5aaLXhCEzhkpb38bO6LieD_06VPJ2tLoR9jB9trUG_J_C9iKnmxoRQ5ZSe2GOfvxui60l1bggl9CCacyBRw5esfCA7EguZbcf6ywOCLyhj5OG4PIBEetyUvcrNMu2SBR4GLy4eTE0MRdIW9PbRNztQX4GyLPicGzr6v1XsnxLNJsnV6i5D9hWMzeKcbWjZZ9Y.nSdQtPjideW95VNTI59g1JT04GgGl2OZVOd8GWsywTCMlQ3l.VDwAUbV0fftwtHSuFCP8nUd8WA4vBCNvP.FqBnaCyIhtvcCGxNBrdLgGMHN7g.VXNDHbE__z6XW0JAo6_anb5qIkefs3M8iOS3uKWFiBO3TYEgBDOMWhn5LKcK0zVQ0VkRVhb0g3fmWUhnxzJlReaxrA2PkvwsqB3uDGSJ2XR4deQKAEINDwOD_1fkx1t_OB0laDLgE5tevKF4dLh5g85eIZJ3uKX3tD3QWi4k5LWpsUHPE9K8_qg72kpQVVi9iAXFn9kCA2Fgp6n8NzdbBopYgjpYFTUY2sNbyurENXQgshjykRgZITlC02LQKP6WuLdCc9kX2E_0Ia11L.tzOOW3pxfLIzcvmLQBgWJ3d2r06b.RlXYNlrgcKRG0dK9eMCXfr_9DLJSIpsZNZES331wQFwjbjUmGoSbMnR_EhF_jtcJAqMDQWHpbwToXZYg.22YVJW_Hx.UqHNOXim5PNZjS9oCVLDI9ES_Zr3S5KcDYo0g3SYksLOfBGCq69RVR8tIs6XulLJL.wabvajybC7r9JIKyLeYxbyYDM_wzkdGKdZ35XclbvNQLUN.kJIJDZUizW_KaYQgyqm.fLS_DYyVQ4TEhcVYarJCioVDjdWvLq.F1IYtgJXrt.sHCHX6U4c3u8b7HeirtZw15nd5GQTA15374RPD_KKTfkNW3_4GPAPngXsyUIOPgo.kZJ84EzXtAe0RTNNGPEX67QQ_RF5QXa2hUzQ2AG_lemTsNTGz9XQTTCUn1OvOMMX4wYsffzwEqnWJz7wSuV4GSOYeO4uoYiUvjKCquDrN1Y_jhG0yI6HiNDyKxnHVP3t1JcqxMTyDz6y2vg0FqeiVs2bY6_E4aTYRVagpTjC1tAQERI2YK6kNJUU1cxZoa7SlSDjulu02tLmK9mf095jwRax8on_v8eaxE7SZ7gopk66L9CKeCI97bqygrMJ2Bn.n6gRLUWMMGaZ.IEkXtAjcHl4WBi9mJPDc1keo1A_6tfMg.EOFURXakgKCa91F8czeV6..M10smb6IObVWxUserOSGt9WlmAarFSlJjJdYDJ83VYq6VZSmxEqZKFnj7KTQpuTyJ.QYMmMdtjFnSBqVK93i1E3DwRO2wiwoBgmaVlwiFn0fAHXYqrTBBzpFBB8JVEAoVjQgeUatrcK7bWTjrLOe4V1nOpEElaO3sifSGRh3dnVL1nihB__fel45E6usPFmK3L00dvuje3Dbg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b7e329ba206a';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\/6235079814?__cf_chl_rt_tk=v1BX98qf0M77MYxBhODl2NmuaD2t.BqKm_G48i30c4M-1739312343-1.0.1.1-Jc91grAhwHQLHIpryq.mw9xsoZJMCsrXN6DRPxFJex4" + 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