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-327349200205.mit-edu.top",cType: 'managed',cRay: '90f63579993656ce',cH: 'b2FH5wUM7jmOC7m113NqnHp_lKIqyYnqGKtkT0167c0-1739128743-1.2.1.1-LZNql4Clydu_oCUmQuKCrE0XqfXuhh.48.0Lie7c3Cs_uSamV3i9SNtMbJvHH7J6',cUPMDTk: "\/post\/2410763589?__cf_chl_tk=eALu6AsvTR6VK2L3JOZF9fKTaFN4KhE8ns9iBtY82Bw-1739128743-1.0.1.1-w_MZlR3zQ5KIipnr011Nw1VeD85aLV.FXOo7gadO9.o",cFPWv: 'g',cITimeS: '1739128743',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2410763589?__cf_chl_f_tk=eALu6AsvTR6VK2L3JOZF9fKTaFN4KhE8ns9iBtY82Bw-1739128743-1.0.1.1-w_MZlR3zQ5KIipnr011Nw1VeD85aLV.FXOo7gadO9.o",md: "_36oRJ9wP6uwJyjcIApQ6Qiyxb2FnGUe.f_upSadYew-1739128743-1.2.1.1-XGrg71TBq1NIu76gm7hXL8cKBj6NieM21StMbdgkd47ad_XcELVClx0wh8TYNDzh_HR4ht5ubL.pAt6dMh_A093vjQqEcYBT1IC25CWpYMdQj3wSS85flmFCZ.muLY0TIdMh4CtCsI1UBJOgAbJmaxezwGAd9QyqA1e0WY3UDZL8o.jJmyOY1aJIwrVCS38g5M8LUgLNAf6B4jKHqfpaZFUDPB_Sp7V56MoEhXlkQHZQr8wegiVmyqL9DoIab0ul6rv5i0cZryc.JoJ65mlmReAkRDyeFIJ_Dfr3RNIrSaD33QYsJHOFHNqpCUqOpR5yJyhCUTHqHHbONQIPrSaP42vBOmcS.QXybECUKsj0mB016gamF4gn2FNMmGrIjRIxE.NIreFRrKEOL53lPGyDmAQvxMMMmXsP0mkz4hwV4Qlgpbee8Um3Yp0h8iTmAbdvDEPlT6TwsV7OWG6xkpEG7WjRCVr1ubKL7iHi0rRKXZlXI1EnnqWmy0lcgj1cVq.1GNEu0vKAJjeS1RyKlLACV_2CaCijigaf9g05GGWt7Ql8FO_gUYUNxJeRpCjBoAAi.PskAilcEOVOdhOAdEiDfc12A0K.tFcZQIzE6we5a.5xsUBKbzwv2ApB1B4EUXXF6t0dFtcCiDnSP72rnlR1j5LppwXpAWewE7dqS.zzxVfoSOj2dpxwPM.rASB7YCVJoHWm7qugI7poKit42_0GFPoCX3OC3F2Nm69BPMLHGlqUdsqGsb87VogTmX0H6e_TjFjLowlRoNEQSCZ9Uv32i1Hs9PnS_hY3sNHqgluWKa7P7u.irW22NuEn59oFwp4YZipZ4ItE0S.2yNtWDcmNOlMuMVKcWpu0deYwU1D.l7beDDkpM7G5Gam4TLzXjkkh29zY99J_79nSbWrKEAGdoGfQ_61jgPP13B8z33rHMevU92pE6WXbWr9fOoozRjGHcWn.rV1dJ.AAu943cNp4aFz2MS72AQFPJelWAtJ11rfsLET4j.Js4Efer8iWktzAmtuueZ5ml.8fmFCMOJ7FXDve4T9kGcongMfLcvFydvmFYB9.FCoutIeLyBNTpM3PopPvi6H6SXl4o8ICKzEWFMQMYcaOue6ylOicPdHRkcQM.firvuBQPPPAAu5MZz1QtrVT2yu3pKes4R0bk7j9Ab5h36qSV_LdiQ7XJ_RNXBdZalqQIXg0QMuzuWExDGtS_HvU6C5D7h3_bA3wLsMGjtMNUQWMMw0r.XOV.Ll01rjYUQOj8JPMYTU5NrSRfADZ0iirk5TsA2praYUX0OxrXFxwqNk5Wp0l5NDGb16GKThT60mqxg8ZPW_wtrLmmenjnWhcld5FczXb84nBdFN_CQwWLlkMwCoE1ohnrhRCZrpV7TEMlVpdWKcyD5J4IkPgtGEn70oxRpJUqzPukL2FAniNDFjXLHdU47qu6pT5CdEi52agPokISHIZs3oVp58Qa0fhcfUmkpe2AbOFaK4RBqFaHuhylJYevsLilsBUsnjTlMY2mOxZLP73QBjJAV0tDxS_gcu4mjSXuGb1nZEvDNZopwPXDhrq7eeQ1lTWRkowsgfwEZ5_IztfqXt8Dgr23DRflujfcYFZeCrRxXBTIuPQMTNb2MqQbD96HaHPXliaLgTokfT3gs71n6lpNamP8hbNRTaGYNWrFqhwhDaB.hih9p.S5NtwqENGlgrEvjuAiLTN.e9Ylp.VMJoxvs6X18voCXTsr5LzJNIExHTJy8qdxLuAbnjhNm1SPVJ_OU9u916cuo8ak6SISFz7Y9P1ju61JMyFXWowXhn6HhBGJ96mLxoy3VS0JEGYBDOKomT2a1roWqI8KeGhFmuKHwq83_CzrwpLVVJMA9.K7puibgbXEloak0L4ipYLNHje1Nq2cd0ppaqmki8zoSRUrZsed9R609Exj6FT5EQfDdUIgKtFsg5yxCLx..LW8nHqXGbZjjyf8tTq303kw71xmzvTqYFWoOtJmkYnMifEt43cL_DBYQvRzTVvhsU.3GzLofFgoJ0DTEDpM50bfhE9HoJLEKJk_pXLt3nW4oECooWSkaTiePxSvfDref8xHAjyNtEK3c5OVCx_aMo_211zVX5a5ZLwt9T6uxNj3iPJaEddWdmDXQAjI_8C72j9_FeemZ3IXGt32Nhku4yhDtjlJCqJUb9pfUfmbDV9FvE3LiAoyQ8jeodS8GxvgAF8c1aqKLfuUWQduuixFsZulG9plKIM",mdrd: "vw4RJar3X8xgfjtsEmku9vUxBzXlyHl9KWu31Ne1kCk-1739128743-1.2.1.1-gqgCNT4bvkrdc3ULbfqg332Cl18fFG61ZwkB.iFsssqPEJiEY7eCNUXHL5R46rkDrzdSZHdyLC5wbeOkDaz0vUfshp2GWp7CLuIKcDElOjOSX5EGrYy_AIwJqmUG1DaqtvOzzH8A._z37lwp3v_PM.hfAD3oNVZ.RoWWSivPWcNSGRI5CjFmllkH_CpNDRUid1HsXeFrHLQsoluNxEKgckNeSV2UpYOvtKnV8oUd8hH0DVqm_eU_sBHaWwoOiiUNMlw.bGoMhfzK0tg15jvw6jyErRSoXopo2KF_OHKrH9nqEhgyiaJkuWkkLzzeR89tgL5dydX9Y0HQ6d5xbFW.NhasYbATNOpWQp687EoiyvisrMCHYEEyjKmkURlRtUmQDA5ihOvYwbhiGh6eNYtTQv9knl_TeTSsRtlxceUQctHd3rWA44Y6zjiOYVm4gXbqsqRKbutfDPvXqQryWmxEcAmajnSgi4sAIVBYaSas2DOYdCJKPiJpB9PEhCYlh_xZ00SMlFOZy5PUZavRT7m_fmdjf3xcdVmbDjR3TEWCjj0ITw5_U1gzsiQOK3O6ycROu8zDKCwW4P24Bz6jI1E20IGxHIKsK6VvFeYEWSkGYcSfUpmHOFS9qNBkQ1zXhF62nfWn6858ecxA.R3ALztvKrSybat0J2hr8_DZyjWkMR2FMldUJJSLOq9OT8vJLhcbOntXuUBY99FmuKNd_21zInAEdcykz.g3VRdGWJGXOxuzMvmNItTD3ZTRHgfIyb9Vth.uDak7yWj83zImli2y98h3yMZKf2gYRL_l4oq4qbzOd6r91x3Uxu6LH8kveV1pQPgEQAo87LwUu092ZGoBl82K5EIYaJElOS2i08IS.EtSZ3kPqPlU_0Nlv4em3p54AZ8tY1K6w3HMPZ1_QwL8j6NRQlnfCYdTooeTSZC2yQTDu4Czb3xW9pZDP42hYS8Tbt4sEPvEWAWk_wbeUlJmMaiS8qtXIq.sHDV21nOgiLW8alRcl4TAFizAOcH5AFHymO5ZyrjYh4ArY1BRZfRJSQYd3Ohal6SbHlWwFjQDw8HOslkrFCNORO4Nf6HCxlx6zCF7Hlx6_IJqXhLiWelwpgpGoaGJcD1Y.nWxChmRtOPhhZ_5QauQjO7_yfeIeycRCs2alcOgHoDKXS4IYDqATFQzqdVqA62MrzS2XZBC.K3F1OyJ_zc19K30UTAaqm9y.UdngxeTTfW1MPWn9fUt7um7TpeHxEOFVCWMd7Kop67fynV137BxhpTXTfylnNeNsk_5TxqyoVyjF1EokJBuygTn04b6WP2P6hm9usICIPfEN0UT52gCZW.45tMuCKBXtMEixA9M4IbjcHsOrOxtQxVKne.YZ5ZFQ5IF8M1qETmsIrK6dHdH.20L_XEYu4K5q5GQexUj6hBXy174QAvCr_Y02usaP.xBPl3vOIFkDQDfqgyS7nZRfltM1WivHHN8LuQkXkBsUrpoJ87wb6CCqV0DaZPYPc9smdCLnsvL.0dwUb_5FW3ccyT.OWNKV3kl_UaXybNcQUYd0sUzcibOfnS6AO4K91CQzU.xlu_.HBHJqxVxd9VSH_dnA6jQwfTOpsrR.iC11EWJToJIsl7XWUjnM.vaY2fiGP0J4nyyTgOLeRXkVc1dyf.w4W9MohIpv8ttjs4fm.6fbjGJQq4RTObra7U.YBx_ixyFJN6VEDAO2ws83LKGVczUj5gwKWrp5U8Gsu9WfYofRfg5RkzkNczXMFmfktA1kdUx2IkMCTm2k8QxDL2MX6W3.KvYX8fkNWtX50yQzGLTIRsduk.KKaUOYPi5TO9uMsWmPhKiKjg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f63579993656ce';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\/2410763589?__cf_chl_rt_tk=eALu6AsvTR6VK2L3JOZF9fKTaFN4KhE8ns9iBtY82Bw-1739128743-1.0.1.1-w_MZlR3zQ5KIipnr011Nw1VeD85aLV.FXOo7gadO9.o" + 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