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-545192684088.mit-edu.top",cType: 'managed',cRay: '90f7dfc3dac3c950',cH: 'yv955jQ5u6z2kwYBdzxoDppDsGsH_pPgIJII6PBsBMY-1739146204-1.2.1.1-PjwHvEqr358MQWYU.i1U757IG10rhZ6X0Q1TwCuuuW9UwAk8fFVTM4VFAn.wXvD2',cUPMDTk: "\/post\/4675813029?__cf_chl_tk=u_kRwyWf0oJA.zGdizUOZ9uZHpLOedzXQd.uBrx3L4g-1739146204-1.0.1.1-xYfCBf3Bvvmg4kSrm9IF6QSv3stbhEGXhC49g3INBZ4",cFPWv: 'g',cITimeS: '1739146204',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4675813029?__cf_chl_f_tk=u_kRwyWf0oJA.zGdizUOZ9uZHpLOedzXQd.uBrx3L4g-1739146204-1.0.1.1-xYfCBf3Bvvmg4kSrm9IF6QSv3stbhEGXhC49g3INBZ4",md: "iYakZVY5o88ev830SaRnfBYuuI.9RsXET_y1R9iRvnY-1739146204-1.2.1.1-sD.tebDekOuFIba3KwRkERVDNKvhFRFr3oXi69_1GcC8OoPX2HRJnEHduqACTglG4s4XIstfeuEFy.hC._VOnnnhUFuVSbZ6q2GSOfRRZ3FQTINoaEX6LnzFEZKzt9bbhkIqKDL_F8VEx.hLqk7PQNLg6M1azyNP3qEFWYaeqFJByX.FPipqFnAfpWEP3PXSgFZCeBc3gaXW3.nZEarc5CbqCVB79PUnURGbKudrohlzAh0Xg7jwxtIQLe6TAUQ.F45vXyAGutFdI.g4pafbv3A.b1EsMPohKelPUw3krLtpD6_c5ynf.M24QT7q3Kb8PoUwquEwl9b7AQRddsRZqZ9WyyTefGVbWEJkqeAu272sbSHZ_Kzbc9mJh6F2hFn7_IXy2rqbzXQVg7fshlRw7jSTd_KjUJtSfuFqcJT5hqHi2GEc0XNfhPWHwBYQLKupMoaRarex11NVokytiSS_CuXvJQkyoe.sgJbihvGCu41_ARWq92CugPAhVJS2AnJOXyaJGesPb6Cfq9oGX4u8o.G_GMUpazLCQrQpYDf4Uf6P6EK2lS5NjBD.LmS0jOKHwJkCcR7kM1CgVZdAd31tOAtmem4bzs2bY6JBUaRqZAfajELnBDX8IC_ICVZ9YArRM_BVzNS5sSPfH2AOPpIZK3MBya2AFaAgVwGbSwCQdMrA6O6jOim_6Tzcx_Ew9mhIoCN.RO5_nWjEm2eKBuTN_mfTV6itMRiOdZRj_TDG7mmLef0l1hCoxPUXOpnct4ElWxr.IvFHnPyepX7lKbx1SuJeNNPp.r1z536.Z.9dFEHUHa1Q.yJzdw5eFog0YXJShGKJNANFFZwGYIrWfG3jKCA6ZA9jpVjGuiF0GWO7Pt0jRTkjK37LQ.E4y0qDfwm3yyU8nlNLnLN8.toeskS_E9659sz5rQXzgmwRiGqQZJrCndKqXf40p9tCZzRr41gqlFtsvYSYd9t61W0SmI1mqP2SJ0GOnifgUSvfWEsh1dBZoNzJsE5dJzrGaNiF3arjid7eMwmwA_fJ4Q7kiPJXe5aN4NXrus_jBY9_YWdX4e4yS0dgdavwoqK2h0q6qMl1FIZDk3cNMVT1pdgSIKlTnCxVbHNrzqIBw88lC_BJQ8hMTY9q.XvGzDNG5a55lPT7jfYkx6ptJ5WHyt.LcdZYK6fOPKISe2UoKjXydgEGR7e1AHZTiUaBnaoXqjsXSk8zWDL8HUyg9qPkOqxut0egNm8CD5CNLUzlz4vlVNmBXU6K2lCq0uUxWNMoIp7wQZ9EmDqzISbCD48pElnbv29BON38hGltYMHXOApcM9W5qxcVCr7wWsa3jIHm.xv1ufnTE5MR45gu2y3b7tsoccKdQwHvgGco.D0iEHbwv37f2uN9w5oMS6d7Za3u0K09YEy2r6VQyu3UtLa_vZN1MRsBq2MECi6GurPW4mLky005HbWdFN8F_rD6Usvp8F492zZiW8UWKH1CRLDdob0bGN1IOmKwCjk7mZFcsbD6APZ7S1kqltnOdkkgUPC3wBfPq3rsCKneCDjRUvrDQaYnZuZ99r3HkgSHnLIVuy0SB3VlvPfhQ432YghZtPLJXt8vSLu9FdFs7XU5l6jQBvhzPl4DKbQha6Fk.POIocJyY3RuogbYN9iArJJRMfSocW6_CEknqhJghV7hmsXaI3HCJN8iyDBab.hdmZa6oIJUGWcVXarLQlAlxRnsML86m99.f5HSs.E8tJ4Rel.xqHy1xwSeJbyl_jD.et6tg74yaOqPj5wJGDvtciMT.SuElUDJSFTvzmUAAl4nRqL.87YdwzEDRUD0dz9cV6qBKPItpPXz03qdX7gZ6D3aUFrADHOGciSSkZ8NdZYI4jNKZdXAFqcPF6twj__jBVgpo3B7rFWZ4M4P9_PRm7M_k7EU2OcFSv6Aydf4JUZeKj8uk.c0iogmwlnO4psn40ScP89h8KmYb36ioGuiFur6cYHKa4yUz3h9FxBrNDwYFICTfeh__sfKIfsv1ZDBIr97ByddUVB4HXK36XagOAFY_IiaFXaAkTSIc__Ji9NDZ7woXSftpVPRKr3p7dygZMKcEigd3sbTDqQawhm..YBL2d9IxJYLBS3E5l8tUAxAwC_yLtd7ZqvBTL4wqEBoz7LoeJ8EMr4H5fmOPf4qdz8WbHhFL2hRNcz5..z5_Xn.jB3t1CkowZ3rU2bVD3tOAm0zaamNVGs5_oP74exTpuhMD0OYOS34yDjo",mdrd: "ghF4TyirVQq9mvTFtoP1KsqTMsp7UHBU577ucGAiz5Y-1739146204-1.2.1.1-vXAK5h9Kyad.GYHnYBWXQ7GKDuXC.jhpxN1OEF9N_xqPhDUM6o.YRUXoo9IKei9z..aCR3loSRO6myI5K_zQGmxxsVdk4oJ5rsRhC6tkUeNZ07Z2qscjN6yaDqenTif4P1Dt25o51_67wZ3ToWok4ad0hLaXKmPXh88gfsNBOJWIt4zLXN51IX7ItwhJS8L2Dr.39cyzJXgT1rtMISrbwsU7r4xrqxeX8xgAgQITSJAYVt7ESu66GDlCLe.HKcbdmqoSXxFRjxM2U8zY4qstHNBk.KuFjQgeyLU3wI1CCRi_18AYz3lUnXj2qZIZWWryc.iBRfDiAoO4SUnEUnM7y2.PK8WwseJHbRU9I85dO4vyHZAJPUwGI1Q7znuGYbyTz6iTOlN7V6KEfIz9S7q5mFLhGmEoekYi7U4Mp10_DrXLG7Xd1UKNmU_fxQnovKat96BhC4V8OlVNcsn9DJkEDr.nweHqTKu4EwdinGLgqqmmwKaBO8IX8pBOPWal3ek2owXvggDdjslzFwTLHPtQW8MPS4gcFZ_h5BNzSPrKCHTEoyunREM7Wh.OYdlgX7nscCV.oQiNBfKha4nem9MplpmTR_ENMb.5w5EOAlysIoDH12ZcM9vTw5Q9IhCzIeEoXJAx9QMStApPwuAoI64G6XcqEF6OCwUzUpKOE7NGzwoGMk.p7C_wWbJOCBrUIAT9LU6.KOmU9x6TuN4BgpBlHAXb97YmedmgcYVZI9_cppuKgoAUnUopUbN5LRlYdN75h4QCBpD9Nxuag4sc97682CTGEQYuD7oFBQUxualQN2_7Oogc1_qGNtfRJuspvbdQk1ZbfZkcKn7FWmd0Ep8puIVRXN7ZE5eCl7JRlvYJTZTpRfisFjF9fQspxYlKyOr5Mkvj6sIupDMUpOgch9_MTCPtWAAFTGBDv6cSO.qyZ1HPVzISUYGlbQydBifgVcuCneZl3lBdvplI8QhAdDXwygazGz0zgdDunpZTBb4LxDCasN_TWhlcHW2eDwsOtgcZ0FKMuWIYpvmZilIBuh_JICqR4GFb_e1QsJTuClk3iZ4JdfTMcX.myhmknDczu_ih.37BsUPYeGuMOhSd1hPpnJeWpRQsyPL9x9KNi8lw88CQXRzVoozbpNL9sxTWNycnn.RpivfOAnPkeRb.O4zpjCzNFYiJIYl60MJnUWyhavXf2XQDI_NbhuOL8krt8xa3tOgugaFD9_zbE0Os5juUdtrVPnF8LM_PE02Ul_AquZ0wtXrAIwKqrLXwQKDtln.g93rh4EDO3O3FnnzB3s7P5MfWZqBoEBoxDJU1AdbUJkB5dICvuH2o7j6SHDQRKiWTRo.pqqmgqbt7lUFP668ExBrfioIri8h6bnfqAIk5MK7e98ZfwrTHB_0w0Fy5XAhaBkbtb86MYF.bUYkCAIleBnhDz8T3EPHmO0yucNGkP3WnmsKxb5UufFRkLH5yD.YCcIoBnLS1xnVkLdavn2UW1Cj1PpZoGf_qaviP8R1Xipv98ujvlvep_pC8pQHe9O5ISFVTXQiGmIfDYyujEEx2i_xMMuFgROgAfLFzeeUiSYrUZC2QGwmNtApfffWy7rCgwk_ZaAy6WxeUuzpp.TNph_jVMLhBdQ.mjq5fQDTK_Ihnyl97rQQOZ7rFzfCMaQC5LqZQrIDPA.39hbbLY346gFtuKE.DT.TZ4qziqUJpa3FCtuYN0LIR4l0KIWv2fTk4eyK08ry7QO_ZLmNA4v_VABjuZuztsDKx1hKKm.tQrE6m.5g8k_B9ZDONERaAvol0RQ_Gij1HTDSMcx8Bnif1PoWwuQbLB5KLz31qfJI0wtys0mDqdFJDb.7P9F6MFWKq"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7dfc3dac3c950';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\/4675813029?__cf_chl_rt_tk=u_kRwyWf0oJA.zGdizUOZ9uZHpLOedzXQd.uBrx3L4g-1739146204-1.0.1.1-xYfCBf3Bvvmg4kSrm9IF6QSv3stbhEGXhC49g3INBZ4" + 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