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-946347692023.mit-edu.top",cType: 'managed',cRay: '90f7f332d965577e',cH: 'akJDU59owUlRRHxI435fyFsgAYorZGQ65kUMEhDS06c-1739147000-1.2.1.1-VuCJHIpiF2zaINnt0ZtFK0sCXqnisejjEO5LUnpKznxBBG9kFO6bP1vZOVDIvZfV',cUPMDTk: "\/post\/7409523168?__cf_chl_tk=hUHrdZaDYXhNO3ggyPkR50dyx6GHXFTL46gW8N9nUsg-1739147000-1.0.1.1-JX1lT_rKqRcb4VxnZRTO8EaESg3Yxem.QnatbDa9T1o",cFPWv: 'g',cITimeS: '1739147000',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7409523168?__cf_chl_f_tk=hUHrdZaDYXhNO3ggyPkR50dyx6GHXFTL46gW8N9nUsg-1739147000-1.0.1.1-JX1lT_rKqRcb4VxnZRTO8EaESg3Yxem.QnatbDa9T1o",md: "JErIfsrtmD3EFanJAZTGvNzr5cHGWL99YbLBpzmm7Kk-1739147000-1.2.1.1-rUWXaHcTCGDJg.Sckpszbl.h1SNFm6RfGAkWwUUd9qKRybwgxm3qH27q.n7mFfW0EIpE9kF1T1tClPj3SWOgOhhjBTkNhJgFTRkUsE49YYOhfwa22puURrn..tAMARAu9uLXBFW7VkzZl3EQ0000Y1LyfYFQI4K1cxOttjkXWJUbCQw_TRfsgX3EhCXoTvAqrVeVuOWlhYlZ.lJK6zmRWfBbASoj0iOTXqhhLvfUbD6zK0FNMB1xj1fbx4gN3rJ1F_ld6.nryEWSSFaCbgwX9TSrNgrXCHUptKcOD6xpouQrDiqNPuMl21K5Czhi6wi6PYJA6qKFfmhL4zz4MDWmYMQ8yfVvsgHNGzwc_AdhrwOp89MdCb.2FP6pqEmp6J8N2HenrvZl2gdVI7WbqmDQBzRw8REaD0Tmiw1MaF0b0ybhbylEIhyOyUfUkg2dK1XZXlaudRVrOlvbH0FMXfuVfqUBVCVq4w28jJ5KpA7mkiIwxefwTjJElFiGT_qT3C7S76xaKTvyC5D8CfpL3Quzq_.jCIoOKWxuKkI1huL3AkuUxngRi.B3rqXV4dFh.S15lEaNtkxqGTuGJsgzk_jrnExMMH9sCRSN3O_uk0ym4Gb.T.XrkAhsRHUD855zLQbtS8.pTJnL0EI7A69tpRm869xj3DgIs0svCbC8HAzAhm3h1tzHTmzuvEbzxOI8iIsP.jxy8NapAVycO3o6I5Ee3d99o8bZp__vn_0CmlzIAnusFkdwPmyztXT8XU3gQDgInm7h8_Gpg7umEYSBIwkPVHX9pYNazvaks3kHvauxp.jwuVR6rL3nk5s4lBM8zbpwbTnybnuUWmBXlXxoPpDCHiD2_MENKSOPs201FQuwF7kGwIBW1O9siUnvWjDEp8Vs0UHybMwOmJUpbplB9wndDSK2Rg6rbe7GDN9255.pxLN1n2jth6Y4.N0jrw65RGdz9Ggwqs4iScxkOtNXsqaQgv0wvHs7YqLryiX2kxDLw2ECD8O3ddZpCJRv52tsV2tN7BCgvu1hbORftqBicl.ZYqN1NzosFObVLiOX19dxT0VKLMUmOnvhGjz.B47kCqyiQGsCWW_JLi2TSqR2TDIfkRepbDN7YN6gL4524t9lFYkkPX3NIHTuQHmgTeMtcJNgRPqjHyhj1vLDUnOp96jdv84HmxmenaoUUZSGGmFLyDEgZM.I8zirEsVhrMxblsI2XsioF08QlKbASTYjDQ2HbJBtrOXf6eqVThqyYsm4jzNQDv9WVwqMyIkeKP1wU4uLg_Tqb2toVpCItt4Tx0SN2us2tq_1fYw_eX7UDBm32p6.DBMXGw76AIPF_5GHSalSLS2uWyz_rDx4R7UdI0_gm5xsBJ7_963qpD7ZNldPCWm1eD5Ol5c27xTceX9PEMNgtg1tjDwarLpaipcjXKm0VC_j_gdlLPLi_.cRhgB259v4XdaZX3ZXXJB_gx7PDKkCgyk0SIYeKOLtbLUUjOHEw6t2RlufHab9y2R244U4A4Doz4.0UexG4vJWa8PnQJ_A724rsGXqH0qFFe0Qqbpb9h0XKMBWTcF31RKPlFcAdCdT5p6n3dOKzpy18FkoMIXs5Y05v1C3AvI3shiB.k6sA6JGorgvv9FESezDrMew13Fe9T5_zo.SLtwIBFNA1F6E13z9jFyKQaG2nY95f0pEMoenGqsL_8DrTy.sszWq_ZCZTuZz2xGcEJUMDz6Kg1V5thk3gb0bvpQ970qFu7VPw_J50Y8NMrKw5RBTIDnXcO2bZJXITR3fdPPV.7U0quTv1TPEJedk0RcxqAfviacSl1OXxaBppeh7xwNBaQVKRVQ6zPROQOc.GJxau8IaUrIWBe1lcHQbxWOtm9UDRpoHQdisdvnp5iy6YsTKPrLv4iGOOatvOdaw0Jm8q9Bn5REFqI_TF3ETA0ClL9..K9CkBj3rCHVkSOsUJoYtUVY50dRAXmbqqgU2Oh2MGSlHAf_3oyGwWcxs8kYYewCAoblYYZ067jrtNXd6WQMaC9VOxc49QEYQ9lk0hFQbQyedASZ70Z1IM4HkJx45AV4Rl9dYMgcV6lv8WuqJiGNYBjjKXYFXPyHyxfo00UruLokp2vEnG.O.XDchmWA6.pYjvUWUvNywZypBqK0BAOj0_Nd9Txo0BhdKOymhmonMTkRnzoKEVWRrdkxKD24.Xe7cLWHYMhM4NB44ABq4l.h5mN7Vs7ofV2nQGH70BJcabDtIIRIR",mdrd: "gMc..5CRTwJ_v.qEXKrspcT1xEiggbaetEvcUbiRLHo-1739147000-1.2.1.1-zHvLcyqB5wpd7ENsmCncGzrx3Jf40tiJ8upgmbkA28XqjJbSkxK67CkVe3iUWamsw3yiCbGvDQCPXjIUC.euRZtW7zE5xrRi0RFKjM7_KoG8prsaueUnqqpPsJQZ3fBE0o4Ok38Ygr3FB5gqR82a8fEEngemAZ98Bex4vO5Fn.pjiPZuozgwHVweLpntC6UdH.K1L1Y0GQ7iq2X.hReOY0H.99JnPtcFbUCZntpu3LlDNsqv9uVjkyV6VUOymjqjfBOtcZp5ZBOjZ.lz1YH4OjMZqbzBwITE9cr5pRcU9qjC9.nF99WjkoZ9WbKjo6wFMW1uDkceZpf0ESWiUEBfxZ7lZ1UN3LosokjIj__vA8XMaqS59BSWEs_CsSyzSQXHmu7UAiqiFLf7Xr2WOfwAoEOYNWrx4eoZh9rQBWGAUKjq.kmFTJ_pEubsHBTJad4GZDvtH_1ueR8bhOFt8khGELw0u0V7_ayEH1HAnoAtlq1oFrJ1f7V592sbNkY.BpWGrmWiWKNfMND4nyrArikTFu4yBQ3HaHZ9tp27DumWw8kdBD.Q_eDBI690NATQ1ufKpIDBo2S7QKiaQrsdsO5Rxj7flS4q3a5EOEcf.0Umg.ZQAfihKPHGRnIczPvux6KoXqpWWkfrDykXGsEx4mlGH3MXxVWe4.7CXY5kgycfeILz4Oqq.EgbpIToZJT6bi7.uojc3nTAz8WKxLhWxYDzGAoNtKELGYGcRLGmNAdOPro4WXKjNbGGrFG4wkZMrHBzKJi24UUcxe5_KPQVfWYodS4q7WTVCC1VlHvrEfSHsTY.U0npGuI7dOGSeUUEfKHvuRfQmtyOp5X5cPY7Qe_MHPnNzOlgIddJA0CIq_8.V7XYbX9ymilIrPoM8ieAwwHC9Jz3q4D3UhqJPlbnR9VImLfsud.flTBoGbxnbGuk_zdEAKhJQ0M4USEUXoKnAOm8UIQazKJawPomPgrRPyDzJD1S2r54F8t.MGCM7jMzZcdg9iuDo7ed8zqMS2bns9o_71oIc_QE8515Z9.5cjOjKVWGlmj6MA1FreAJtv0LKJMSf3ugI2Z4Xz44SYykwnLquuCp7jJLpPRFNhMoEOMr.Y_Ssyu1iWv9S4zS54Mt.FKuyvRWJcW3fJieEW90XUvq9EBbf83HXxVaix5MMQnK8oDLTRC94X1ha5srzRtrU_45MEr3pD_xG2s8hM4QONWpIWDl.ZMACLJcL9srLtfdSapf2grJLjRN8QL50FKaboOID6uBY.HjyRIrV4iLDUzl1GD5Zd6Ef46koRSuNNs4ccBkOpXvSAvv30S7C0BAyzKtlhEndIoR4C6gZUjHy80GqsuQzI.UHiWlp46O29qLElGNiVqYME93vJZQhsnXFA.uGoEFx_SiiXd92X1Cg5CjOybwsejnpwiIARrPOCh5nOoEr2GSLp3WO.Tj5aehggmdLIkYXV_xiCdkvtOOXEOWSbCff3lELqO1zw_W99DOayz23zG1Ye6nDaWPkseEDNi8KSHLcjfdCksxM09kNBO6lVjpv9sKu7fr48tjSfDgpHcbEPlyC69fHQlb78Hvljec_1enQcljvh59wiA7kW5CZQWaDOs1mFQcOSHS5C2PEosr32RgEbq7CFUeoGm0v_WzjdC9JIuspyaNM9qVfTC0E4fvwTLbr6pYrlVe8aaOkQS9d7jFquSP8xNCJC2o_wTOSRtXF.Cg_JtQ7DwYIR10jrVUCQr9UUrn5_f_WKaN8gbanfTHx_FghAohwIMSupidxCevyZYNs2BVR35C_qSVcaCU76myFUAO1LNCzCcSgg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7f332d965577e';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\/7409523168?__cf_chl_rt_tk=hUHrdZaDYXhNO3ggyPkR50dyx6GHXFTL46gW8N9nUsg-1739147000-1.0.1.1-JX1lT_rKqRcb4VxnZRTO8EaESg3Yxem.QnatbDa9T1o" + 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