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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-162960925495.mit-edu.top",cType: 'managed',cRay: '90fcedf6f9632414',cH: '75rm8rc4PleIh5dgGUvibn1GaH.sdT8x2NqaZG0bsT8-1739199215-1.2.1.1-1Vmnkvi3nEDzsXxxTFqtF0WpmLbBCXcf7lkUPNlvKWkYAcl0e2oc8S56u8VLCfsB',cUPMDTk: "\/post\/7648130952?__cf_chl_tk=6oUJ6MSHeDYb7lqYpNAqfOqPXtDk19XdbKJ2P7N7OaE-1739199215-1.0.1.1-qeQ4oNNI27pojowXNglW.unG_r_OdyiP8NtD1_XM9yU",cFPWv: 'g',cITimeS: '1739199215',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7648130952?__cf_chl_f_tk=6oUJ6MSHeDYb7lqYpNAqfOqPXtDk19XdbKJ2P7N7OaE-1739199215-1.0.1.1-qeQ4oNNI27pojowXNglW.unG_r_OdyiP8NtD1_XM9yU",md: "OIomACM4lKrQuzTvlg2QQ7HHfOmYhBzinND4o1FUuRA-1739199215-1.2.1.1-Pcz.kAiJa4.GW7Vli6EwMw_gtNqRL2OvvytfH2Eu7yQOJ3F_7AB2FZoCN_PaPSuOcC3tJYk0U7BofHb5DwIDwpdHWATBGtATPOVKT.O3pGxz5BGdPI9ZzfoY.PsT3Ptz3Fuk54y3G78.th0wFoqac20Hg4HIgXJNcEaStju5EDvx7SBSdkE6VFMNIGTQhNP8CyjZgswOIw0VLiWskK8EeeeUUPyUTwFcQYTsWrPl8CcW7n3lcy_ajJ.2fGRYyvr2v2gVPR4bgPo9tTfnP6GRpgS0twuQLmbxqNteSdgdRFnJHRBQB8V.6koJ7LzoFVvN947n9kSTRxHzHQBqMY7B1ELNQrmJLFzM28tetlvImZj0SK6n5Lw6staLSrAvLkqXGiXL9d2hwgoVM_2emX8QaRssUbhaBjaQp95oPnjX9tDpcTVpvjc8zVIOJ.T0TZb4LA4yeDvTRRQLHwP.RvwBafxoQFkude21peUfRxX8Fe67i7gYdggVSR5Lkr3kKdyHTYFq97xAdfTdVkXQRN7LyoQ.eRWDcp5N8VDnSF09yMtNljuXrJL3YohUR0pu101f1HevWjFP.DRsrEzSR3OozpR0gGI0hwXoFHvrq2xOwpNloKgwII1twdGNkloYrLnTl88w9n65LklGM5bcGPlnIr8bN5._iZznQhdIrUtJJ6Bnb3gpSJB.LYPPmcK7SuN0ExHDz_ZOsNh6Xw9Cj0q.XKH7fNuaIFKv7PcVdu.abqhB1IzFf.WDsQiPXKcBjMe8AqNpMiUZcJZi31iL295YPF5.DbeaW1vu9QH6_.dv3YGZCTgfy1ZrrxshrAuc_wY4K3czGFXOHFwkQ.11cVy.ZSOe88OZgIwsWJ9hNcMT4VhVtNC8OqFj7lV9zaQbT3plzrzDzK.z9rci4fCB0rBU7Nb6HIZfpun13sGt2SL9GEbztcF53P_MXE0vfl0hKoc0TqDVwW8ejstFng.48OsF8WcZXHFwfV1JD_.WKCKFwkHOq5eSwcRyHkmpoDZhWzNjNHi3HrqneMcUUQeNTujI0z_6m4kU_Yw8Fu4mGYY6_G6oo_BHfydpJhV.SVQkTjBSxk5ZLGXu44T0lH3264JWYx7yIP25PR6mkCtJGW1tMmUFJ2yrOYhcAjvgnogze4t2Gz_GKduAmXbFRfdYrUby6A1jSgC.12CPhTwrd_KQN_b1_Z_A49lKfYg6EXfkgmLlS81EsqLh5KTEy9H45bLhMv0diyGRZGHYccPvy4UMP9zYvdcLIqeXTBMyFCe8_nE3YWxvXmGGIHR2cnRxohPekx9YdAMBNN2_fdP6nXAoU1W.DyF1pbEiOWE4nVwjcqfhIRDlqdsy6geGrII2aG7EH.6ckJIZJusrwo4FrgAIcnKgKZEmb5RfvCHQDiVdtkoeLcqwt3sRDiY94.e8DPz5s1kOn7YNTs_6SDYRmoLM3cO80KQVGwhK4hdUuhwTHE49f9W50a5VzYdc7zZo3bSOYCAcyraVA0QShnO_kzMivAKVKsiFbUUhFDWhdWloav7EZATURG5HUXjB8FXwquxnutxIIyMwV6lB4NWcbHsd.1LNmqYap97HE4CdNoByKLqRyTtISwCdm4ASDvKcmET5mriSqYoRdh1IDHzaZksC3VLqmYv2nUzD0oPiFng7TsMkgxkmJdG9x6uX_XvbCBtOmTGo5lkm4284.qI0BeSwPiUY.354sOtBeKPpGzgZpx9HMMMtRbIHuaBL51iviGap6oUHIyTQaXJrHXfomVZuv4F6E2mqB1IbZIkkFZ.6tykwGdrblPKjpCuQsqSObjL3jOzCL1h5j..oeRwg3rRd_4QaDzkP9xntW3gRVGM2v_wPKyo03ls4kKQ9n0m8CQyUzs.53TuZiif9HEcpMfxxmQJJIGwE_vIsA9hLGLMBMdcL9V8Jur1njWyP1KLT1elM28GccZkBmK.NSi0eyta_1tAs3ytVYypT7XlaRVWwY9f_6XdUUqZocXwUNedh9AZODg9j05LhM2E0i6EDe8X6JKDniY1JU2Y.hIOpmYSHNEwPtllEbcJwRJ2SlZ5a0GQytt6NKmqp0VZf8WzeuOg0lXU1du6u_zof_KioxD12q0JjP1ekbr6vGiHwPW_kVP9jkBAbi7jb1IM8fSIy8O0UmM1HI2oehiJKbHIAEPikesFSuHZRO0DVsXg22R7S_vCCLgdxw2twQEKvt6KOVy_xyC136x8ZckG.ZJUk9L9ahBDj",mdrd: "Q4mL0WVZACE.8O53yI.SMmlK4Z4mh4XVv1DcgpmUvjc-1739199215-1.2.1.1-AhwhZqw770biQuCB26V6cnUMMBwsJQzsFVipE9rTFMmGDi8KOhmc.Fbmp177ojLggNn0iPN8kLCjtLYKXK0k3JzbHDpNY2cydOg50tt4IF8NkXXIoKKTsf61qqGBtip6z.4I6XqF.5A8eoqJ73xM1kbXjMCibFKd9UueAa.wB4Jz4yTpKwudq_x2ddIzsdAwtEdM28cGGRj0IJ3jbA0BaKdAtqkX0s2Y.T8WLufdF0zy8_sH4vxlIi9q0XxrZBpv7.2AU6QHu4xmrOKve.VKPEhOsge8L6PjNINZcuGnwK5pJho7nfK7CAo7Osb9OjHcPOiUl28dwSVG178RbEBXrQwnbUdGh4FBslHAQgDef_apxZjAgYN1.8rGStX0qkww04xsTU2O_HV5QbOteMStorbKYb9j9Zr5kfSdG0JUzikE4Y2gJ4X7nPC_ni6eMnTnodhV.wETk4ibYYojDUUsCgcVVtDwCKih8xag9LVtidMNYPR6AzJ9Ik5DKlM2sJcoOGHLMPwLl7LWV8r2o9kzOH.3r0TVaI0rhVSYt0xo_6NiACD0TnAdAmLpU.R8gRdnsNiXmeP_LZpycqMEWV87bfIIzUjAJl.M4ph58idSgFuIl5RV9QzujkiM4P77ow1iQPPWXm3xEY3Ae57rrjJf9KV.FpooE1XaoBa8wSeb4_NvYGzS6vEUIvlN7nIQ6AEKh4eZfphYh4dct3Gr_A9j5FdJl6U0wQ3MpdrUaCEmIqQdfevNOetXB4O_drJrTcJGQ1A4o8dA2cJ8tovay_kbuO.VKvHGHtaL7gGno1hfuCyfyb8x5tDYUtkdoanCrpDTWh1tGGvdkHWbo1iZ2sKeUWvso3cyQDOJFTLffj9uoYU7NRjE1xWJ0Sp3gRe00t0REEAtfA447ET8AtkmDMiYlbKXAlL2X8.UuS_u2UheHI2i8RNZcncof8E0EAulir5uB46QXBHtzDORFZjh84LkAw_ACtC0x8pu36bPwB2_0zWIH1nacMlF68JwF5pH8fHKVWZSDjlpYlBLsCo2Rjb.F8dQHkwp862HcoJQq2ucR48hRDJqe.lauiKdw9FR0yAsJVpMmP7A.Psukoj71PxJyCCx8sUaaPdWu7gowphrmeznzihqhKEDE6JAiQ18WCZkRmA3aKaEAbk5aARHjOxtCOYDuEf3WnnQ4E.rpw.T4URWxj0kTH8YRHVFzXgDxH_kfECq.SLXlPApRylZSitddQLtHxBg7h9TkiQ7tzkWdeWZJKg28ljRsKnYx6L.mdNRF1mdRYAUYCeG82R8R.ufGsmNOxNAXzOkPp9G06lB.5k.W_CUi4dIRnW4u8VVcn.jpQ7IJzLKoOMzogplxM4fH2RVQXiZLQEJCUrbrb7XTXQivNZ5w.CiS__m0vw0afU_27vDHWrnfGrb6vPd6obwhf_27jm6POrS1B9emEP67oMRv7.e8mLT8GzZrM1dg8WKs0bQ9O7sRT3sG_dUf.bpxbAdTBtFtZ.zZcFzaeAx84M7ISppDVEVquMXmbxYVlI3kwdvV4UU6sH9QdT3.qh6TCaE9PtafVdnOlwV0zGfvBeyZ3tMZJSeUqiLimmvU7d9Ia38Dd5UDkt51EYBryMR0JwNl2ZES_C1iRnZbQ4nxKRzvldeljB6sY_341qvVtJKrfKYXWGAkvfHzRFK4h_Cx10yspRERLEingd4X86fhTW4TihufZbUFHILVptT5Ownmhmd2NdD03eu5..1cCTd7AP.JEa6eFJ4cS_ZERek88NkkQYL2Vbg9pBioQIZska.CGiVB55XscRsf8qLnWZasOo8sO0nY16R4hVXnM2Ofz0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcedf6f9632414';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\/7648130952?__cf_chl_rt_tk=6oUJ6MSHeDYb7lqYpNAqfOqPXtDk19XdbKJ2P7N7OaE-1739199215-1.0.1.1-qeQ4oNNI27pojowXNglW.unG_r_OdyiP8NtD1_XM9yU" + 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
