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-072358094055.mit-edu.top",cType: 'managed',cRay: '9107b6536e86063b',cH: 'yK_hDcWNRkRVey4MGfL5GUJOga7WxOXHUNO4m9yyCmM-1739312279-1.2.1.1-XpVrChRqxaXcGBeAnaHQlD30rReKVFCQwLvGGHxYLAk_GNNHdhF2oLCVH_YYT1mf',cUPMDTk: "\/post\/7946801235?__cf_chl_tk=DW4WMfwF2RoJ5dMmTzv8VUb6ID2BagzO2OW_mkrfwGg-1739312279-1.0.1.1-iRwL4DQqu6EavIYhnbJHCCNCpNkQPsxXPMDQWuv_0os",cFPWv: 'g',cITimeS: '1739312279',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7946801235?__cf_chl_f_tk=DW4WMfwF2RoJ5dMmTzv8VUb6ID2BagzO2OW_mkrfwGg-1739312279-1.0.1.1-iRwL4DQqu6EavIYhnbJHCCNCpNkQPsxXPMDQWuv_0os",md: "Loj5B.nV7z9qE4OgxKYZJICb4aeOyMI5ula5aVhgXkk-1739312279-1.2.1.1-FoBo5gWOJ8NZ0CKwOpluoa8FuKP18lmpqQKQDHIvRieMeM8.pJ4NkccYyr.ftE4htGOObdgBMKnq730jhRsqVjSgBtET8Zmctq7gvF6.8FxjVYxJx0BHgK3yMhneXQTBZu56_ob0.YmTXqepT3eW6MtDWtZHnbTUJEJ3XZF2D_Bw3uJ7dJJ85tkoeE6dZFW4rS2o3nW3C7EbDISn96GmI1CeAfVtxBFA4.mlmU3g7CZfHajYL2Is1tz7eHas0FudRwyv7QM0Znh7Oj8ufHIJ53Bqbu.byRQLBXVa8qLdEOOAjPFwyOru6EjqkICKrufzmjQYDuSjiSt_Gr3_clwOtvP6rDf7dyqJTROjQmZNoLQagyiQPf6vCQNznVHXdX3MTYHF4mEIpKnW36XaooqrddbJmdNw4YyTat3kp0dupaoHTyvq_yIGLNCy1joaC_hkQ9pMZKK00pmRSEjmtJwLRibUDpEGzx6y.hZlTJQTZ1OYRhfQAtkCNeprKdEVrS0yRlBzcLJSJI1g8l6RHud0EyQdo4bJJ6cpWNYwym9204j9Jj0lAdaF5S7dlAoMAeB.BrM4OgmX_docjkw2TvbZhXsiUoJ43bZMnhtDZImQ51YyqQ1ONCkruCT3Hv9Z_9QqFikSy1JVrfPIa3KU5LbcxjuGRYJbnd5xGLcV8kYjvvfKHAyxIq3PuD19yEcONLELmrZGh.t0gj2HuJtBNdgRT0PHddPPTCSF3VyL3EaPvYLZiOfv2aHQh9sC6hVXuCaX7Ywr2BsKARu5s8CIdQ0N._sVwzzAfvaRhzY68xbHwewFVcrgOdi9OqnIgtaEkzYFyw2AToXRHuqiUfWuiWhzMHESec0C10AScLnJCEPzZcAAvx6ZpXCgoYvR812Y7U.IKKdcLiNJDwvzjHN_v1RKg1hv7TUaEGJ4kz4L8OSbtftuc_3O2oOjVRz65gvQrHxQDB4C6ejVzxQIhNKY_kjBBiy0A8UeTkmOOXYZQtaMz32B6BMFm.jfOgf.x6RscuLqd9A5r2pKe2cQXVzqWNXG9aKKZy35sBKTr8pqJbY8gj73IOvEejLJugprdP5J8gKflATYzDoeP9dmG5oM5rwO1MISteTRZwLAP.2mQedONjFmY2GgFjvz.TaVQz0BzzD12bc6n3ipUE4MqXNIl3zLw3Vg8596hEbi1BKwLpuYyytIi4eVh1rEndB9zRnKJu.ulIH0RiDrPYG.e7_mFt4OHf8MHP7Nx1YlUFn5CB5o6b3bLc_B.d20dQw9AORaYR_.DZ3puoAmlC5w46Q0dAb9WZM.A492bT2ekN2QNjYT.yiFgSX2dtqzVvV7CWZ_vfDuDTl.AhWIpMi5b6wm6ng_5gu_sjJyVoOsGxTlKsx9w3.lhesz57I4Yz_xtpKy5zkEhH4eU7pCB1ZBIlOTuoC.YXTg85UYp6UC6pB8In_DiuOpXJQGzL1cQgn8s0SRL9H1Pe8SqfJK4sEc0WvYtIyZ0y2TOCoPj9.I8gcY.7pG9iLWD92CZoeqisylrX11ym4ZO2y_GuD81p3sgMdWmGHccJ7rG32oIRqHFkEZNAn.7d.TdJ8KqGd5fO7Z0ry9Ko_lg0WuwQF6b8S7csn6FjW4e71TMeWrPGGqnYqLH3YjrRWwE61lUGambyRavGF8Qr2_iaWtPJlaRPbQNQpf.RaIWmhaiIzCSBg7eQF1XvTjAvllnRz3JJ7FuV.jSq13VkVCTrAXPqH4VvTV6H2BfAyRi86s1J2aP7aIRiBDX_R_3lNqeBdzR_JIhEw_5NIqoagtiaV7gyCPV9qqsdZHlOGWer3GItvmyF5Rg3eN82PcWFQon4tNSgq1_PGTmNSkRtzKM4F4N8l1oBPnQ956wKophbjB9rKX.QKLfeyRSLG5AGCX6cye7EfhjwhWE5lIg4nX7BQO1eh6yCrwRyXIqcV5j9JglbRuxnP6xUG78WKXSTWSPhvqs9v1jHQucYEEG1Qhjb4.skU4CkcQUbcro9UdfjpBBV3wng4L2clwWIji7Pg3o9AX3ilDxfT44smftlAP9b7jC5FMrsu9J7vH1VvuX7LZ5tR.jx8crDBw1VJgwUxoEsyymk493fq9fhUXBAUYvYJtfOO.vq9oSbOq2MnySTgrK_Md5oAKltbRa.kEZwEtACX91WmHSCTaFZJBNo1s8u8_p8O.e6ckoi2yEbPzx9dYnv4QWmkn9AdraM.P7BF0zOIgKZ1W6u_2Ix68EUJI",mdrd: "Z7IJsPeBP1N02l7hc5TSKFf_P7XQLiKKp8KYzyGmXKg-1739312279-1.2.1.1-sTEqhoeRZpzVlFAE5dG90bzSBQ8IcepadQQKtl.k6lniGf.a5gmredqf9snvLnBN9qX_i4o5PvT.OWiERJwNFIHbE21y7luDag5bVFqrUrvXuCX0YcWBur75SvFet9uBz.QiS6wEc1ZTqhO9Lucp0pzM2uE7kykMxjsBCDMhuVDJ0EMCCyeF3n.CYVMlkEHURkcTIJhvxnXFuNStlpgWNi_Zt_GzXNstF7YJz8hiavqxllBU7nO3JXjCXdDQKK7c_HNSfM_YhDFWNbhiYwE8Wtw0n8GD8y1Lf_xa2UJA71jwGRY.QfK4GXYD6wom9nSXUlUMES00R_26POSBEEQNj04dU8HHqrJ1daz4tD6g4YzhB1qxbFq02DcoAgvpqRsyQPSaNiwAB9eSpjQM8riMAVrEfz1oEtGabp5XT48pidHUD5jSaP.irfLiUSkyPo6wpnZ4WHg_FVsVGgKINjXhMR0zJIbZugXNAlZ90ao6h5.JolQ3d_yOvJ7wQxhgG.O9Cd1MDDKtXggOirggoxvFTJBfH0swQHlAF.A_slaIud.xgqvGWHJPZK80bbgyYxwuPVC_p2cKR9VmZYNqlkUFr6iNEZ425AzlmVRTD.2jFFdiXu8uD60LuAcBIXI0VC4SWjQOzTdN.PRIwsEEJ.X216CPzHgpqR5SbnVHKk2EAhXR0YiSrEsAE8OPMiZTQcN7J7jbWwzPMip9cAUUJC_dNo43lSd390Wyr55nQJsgDN5Yxuf2O89.PXvf7syXkJXnviTFCj46gswPLGC4etABGCNipS3R_WgLGu9agPZ1ZFJPAZpOlK4aAyorgSYiqhxf.Y6tI9jj889ojuGJKo_vOEDdhxYd2ayxSRFq6PXyrFIg93uUe83NCa4loZjGSy9C5nChaPVTgCs018cc1iwLepzfKvOSY6MDYNjih9hmFJP74IJFzfW4vtgbsaS4ssIJidBtcWwpyoR3xxZw24PYo.Jdj4iz8eIVPTZ5wHq8Ajy.nNzULZvrIEb2c0YPGQQkR3ZH.nHI1EQlk0qCRzEYK2k16g6mMGDIKhRxauRNNedm1h8Ou7JfzLOT3MKLwzzikjxEIDgjNRlgCJnBytf2wUHgu4Jkay0b6afhKyoB8Mv0pe3_rMaq45c9qOqNKpL1GE.ykl.Wb98yxB3rR7QnSv8.kb0jWQ2hybtL7H66FvWHfj26BwutyCPk0ks8wKDNDoawQEM.8026S8SNXIa1Zq.a2j7jHOJyLJxG_4He3.fudAIbu7DJLWKhtJ98nQ2BdBG4drOAq8eTYhtOaMQON66vSXjgDsO4de1K1_PRPIYoaBLT.uxLw6tbFY1hbjgNMkAMO0OeIqwqT77o6H7wByEg1TfTB1HdLXAmoJ5PKjATWRegcVOqY8Ccpjpb_Yv9O4ahSFIcS_w4lyxmrzQsESf2VpSwPO8_p8VJKAcq3_95mHq4_riSypbuBdBI3vP5pCmj.o302ROS8eaQ.eRKZ37mvYCyjsJ11g9k_Ipkp45jjOMz35A6oNWR0gf.Ekbd0hccMwEtS9exMwQWXloaJSu8kAE3pOr_X4a.XLCYHXxeql.QOt6yl7sL4VodgYU8D42mUdrHScJdwmDRwDRcMBlOXJuY7RgjaNEgCmRygyW7piSt3g5bhEsdnsBTsiZAMx.U3C5nqLv1IR4PwXyQapOjart1VQTbhFqaM_4Z5Rs96L5WfApjJooQ_chN3kXYV2C1e9J0GSDp2UsBj6NeR97TyyEg5smwe7rhTzmIZ4GtJVeD37piZmpOumkvb0AClHNARBrb.ZjUAOQpH1k2WrT8nunWvER5hKklC0CpofE"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b6536e86063b';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\/7946801235?__cf_chl_rt_tk=DW4WMfwF2RoJ5dMmTzv8VUb6ID2BagzO2OW_mkrfwGg-1739312279-1.0.1.1-iRwL4DQqu6EavIYhnbJHCCNCpNkQPsxXPMDQWuv_0os" + 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
