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-415779609054.mit-edu.top",cType: 'managed',cRay: '90f8238e3babd641',cH: 'fIw6zWZSiPylSagJLVOvUiSaOIMWGTDrK49HY5GoF0Y-1739148981-1.2.1.1-prq9M13_Fe4m6zx.67arl.dbqGtgSBHxT57N0cNRxrF3I4DFqCh_KjMcyrScjqtm',cUPMDTk: "\/post\/8214675930?__cf_chl_tk=kC3VmJBCBKGO81kjWIqwNhs4bLYjoRk9_M_ri72aCwk-1739148981-1.0.1.1-a16t1WM9dcNP3gs4AXSepojil5jRpzbhSi5ClmJJPiA",cFPWv: 'g',cITimeS: '1739148981',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8214675930?__cf_chl_f_tk=kC3VmJBCBKGO81kjWIqwNhs4bLYjoRk9_M_ri72aCwk-1739148981-1.0.1.1-a16t1WM9dcNP3gs4AXSepojil5jRpzbhSi5ClmJJPiA",md: "8JUAso.pUqrKf1f1uX5FXWlW2Ac9bXWVUZGudw9Vfjs-1739148981-1.2.1.1-U_tfpHQoZf85okUsDAyWH.HnjNUq37OuxU7JUzjZSAnGs4.u0eOwNfUbP8uiJMkJdmrqF6tqrlM13FgmMuzrZ_IBkAMDT4Pc_AL0l0qut.vNEj0J21CvgpuNBKn_ZC7uJFY81xBFS55_JxSxraet8pF9ockhsHYlZjYaL1CpXjiTML701p6ivbolvLjwgSHJCHsGwKReQGp6ZzvUwiTsZIgRc1PTq1UyxeDewZbfgp.WAcdnUhCrBvseVpzaldCcFrPtYsrz4YxV72Nkb.EvYqXmE5FaZMALsKU1Ml0gux1TrKY3xYChwKH.jwOvibKrH2yNBh7.VKFjxqYL5Vb2aieF5fDcUmg4MmHY8zyxLbE2rk0s72J_J3Z2eRUJZMBXkgs5FVqEMXY8M7jU2Bu1leZr9cdpbZpagCB9lTMWDvTtyIpiZsr4.PIWJObCESSGwsfLjAFSF7uGLGfoQ0RJbyalGFAaB81KsFHnX.H44imOljMCcJmoAddDOVK97eCNVZxE3jLuEEHc4JBPJ5c1uKd0bVe2TzTHUBPt1CnLSfCxlDUO6AHUrDe8avEIBrrewSJdh3.wCUzZgIqJc3NkGFEEd7loiLA35eY6CEZPCMbVmZugCv1GFGKC4_EucjDyVxjgFmDZ6dAgBIMAKVXdtvwoH5Hj40BK0QdhkuW3nqrZVceK.814.ZX1b_TxJctbTRQmJnoiQzvmHUbhsmJznuDpw0EckdzvYsSAS.FRWZSR9dfdHPVi4ymZXFRGEx_7FzEd67EtldF8Xw9fUpz4Rsktvk_xB.ZiQJDuVGW_UqqF_04hQ1o3lR2PrF1Dnby8PQ6aZ9BhKJCU2kyKvAkbYcgnc6pxKV2rwjaH7RqlPdZRIsmvwB29gxo6LteW2Z8B3kzQ6L24UBkw4TNRDLkrR38zabxPTOblM.4dMa3SaT30vUSn0kgf3bgMB0F0e1L4gtFC1y9tQpp_zy.SJIOKFtzQVFHI4MBMRb1QtRKcb..XofZfJCCAoBpZi.uFeFgFAhhO8U2titjJVrH73_dswHBJFK2raZDpph9Vli4orletaJjc8PikuH2Ec.8HtWxZXj2Ah08O3xh4g0dZAqlwEoCvDZrkyjpFv_9afcGLZbSlMcroBOmJe.d6fyCkjrR5VIeFdMyr6qCqM_6vAaVNBUCdh9Ucr3CwXZCHpqlKwpzvqs6_gIiCokGrlBAvbbl8sbNfedlDVdUjv6NpMovKXF5lz54ugjz7s_.FttTc1fBD.UxOWVFnwQU9pOU_Eadgge5TORINiE6T.rs0vLA7CPLw6QZFluAEQYcJC4U90.gerjZleBM7M88ndSWk_96Vi71Azt.6120FDsCbhoOeOVAtHOD.B39A7gGxmJq2WhT96Lbvg_FyqTVGwVBa4OYyTQM.rnPbhiZKhFaUWbwJSe9ZbVAJ1JiCA.SNHbZkICD8lxpF9NdpqdyrxCilw_bGq_aN4gDZt4.3O7AC4uqdloopAI3VMbW.PKxiAeIAvxy12ovPBVso9bFDKiiVg7kKDzFF1YZsA6VXArGSjCe9WfZDWPeKGda6_QvTYsaXxw7N9nuufg2TDmKt.3XBlBYbo2k3tED1QncwKbyUKSUDHYMfmj9slU5zaCUhB6dmSezxNqb5YoCJ2EjUX7hxIL2ivF_dQ9y_dBbhUQnVDo6pkcqF7.xDjwcd8Wl9xKPJKLPeOLFW07q91LXyb2ydeipVrVBprxr9SjYBi18DnNhI5voxIbz2BBw4IRcB3WieSmIIEQ1t4kKMnoYvX2TJu3pxn6LH4R_VoLO_lpPkVRo_NQi3ly9PdFt8QPqJ_h8Zz2ec.hGyIaaVc61NDBKtp0RnvMdrZ2DggQSYoO5w_6DaaQOOIKPlOsxhqkHJ6P1bJEPOVc_ReZnon8OJHDqTQDFYEOPPVZr9_94mEbSsjQeuRm1FfcoYYq7x.glNJg1.Gc7dvBKeQ.J4bOT4zSY9QYPWlclMj_vsXKkQPy6pG.VOUylcSIIcvSxI_jkkZ8bTJAGHoLT6INCwrmNLhsSjNPTRkcAdfOnD64Qe5pnQWEKEcbqY6aXKLuchrQbGMB3lyOgIQvUaBtmERywCM7SAB6Xb2HD5B2Q8MHZXkUq7utTLfbR.vrVV5Je7W1MxVcmCFJOBp.hTkqFdDtPp.HP73lm4SmA5hRw1vGeL2.A3fOf0810wInTUrLoVjLSiMD.kupxoFtjko6XBebKn3K4GDyal",mdrd: "H.O_5IfyYoFCZx4MQyADqOsa741RYZg6TFsad1FqlXA-1739148981-1.2.1.1-lQhYPuK3Iwqjotjd5qaoYA90gnB8O0XDbyu8X3bXofJxBtf.Cm9R13xJHN7Tfy7XR_CFX0Ry3ylHGdveFZUQAr6o1NgmVybSkQLyHHrzoj7BcLqMr5jSD76NbrODCYi7B0bp9GmaIQs9efa8YS356cHw_cOIdj8TCj9N3s14bO5WERmXpYC2xI1tUF4beCXJ.m0shwWyE4UQ0_gb6ENYcEDTVU_oJkNyn5bFkkmVxBJ6CPrkE8k9vK8XDvJy1uE1SLQa5NIaiuha5W7hb8geWPWmKZWeYELMboA2DMCMqvlKaGVi4fNSkSwDB1FyTHYaJfzJvAsn2vzHcNt0K1Uf0jWF1FJiMqNZLjkrIJXj1M37DEN5nD5kW1Mxj4rbtEJHVTpKTjYfoNKzrkA9EoZSfk54o8pEwLyADvjYd5uxU4VQr3ppbkxTwMW7.mA3WQFozF1yaMcyppVT.bxGShALcmhilXqApd42jEMBKv.jrwJALBz42Yj.X5E3oQFIW3J3YrSlYoc9JBfwviY7q_S4adwXkhORbPNqivmmIy8Rqkb7mGGewqj8Ay9ZJjmrCU7dKq122Egjh1HonlvE8M4EW41REqQBPzWmizUpssGuwsU1t9uZy3TL7qn7UAcjzbC.zTNINZeK00kFShwY91fAWVSRJ_.UwnO_d6dVC6gw9oik5vmYsXvKPENjObWskt1t3rOyDTaa3UJnf0sKWilvbl2Onw58fy_QKOqt4D.3xzPjz4q36uuhyxSyKi6FVLjHXs26c8t52cqEsrs2Cb0qn6XPtYxKJXyCIy4lMkPavMi6K5eZs1nVLobfu1Icfy1HriM3xhJWJynGIz40vsB7FYWB66xUWI0sn3gHcbyZFdjZcyIo.LczSlsNTivEKs7pN9qbLyy9.A.eoXekit0P0kLZfHR9gO6fcwUZuXU_FpPgOQtbFi_8pF1ayy57QmcRNapBpgfiYKnTL_NnuTQxN_JtWTdLA2bhxSkAHAsmBir5F4N6AxOtcoyGsDY7r9s6u6pSxOY2D5QC7_k.58nCdu_lSn_mfLD0fLpepF1LgmuIEMncTyJCyKFHLOIyRh.pGUGY9JdkZc0NG9EJiqxGd84pb_P9WNfExpV.LmO3fE5UeSk1.SmJVqXeo8FCJWo7vD1xO6RcZBcLb3uI.D409a1SRRFc0Muw832MAJLANpP9DI5bblEsUxjRhrC1w4H2DqYqosQtpoX4cPelfHsvuGVRQueDN67bK2HHz1Q91Fs0.qOE7FkVtod_hkMYy9DFKWNFmH1WsnWN3AqEiEhojSlbrN_pJy1JvdpgstoWvK4qnbhEkGcfUqNCz3pv6SUB1FYJ6FWpXlJvHCmVZ8Gowf425HqDFESCP4NdZMYULx2tjBzOLeS.KNQKFBhlGDLdaK_pORzOwXyNE0us_fX4ymgPt66tHEPLbAMOIC66q39YbbF25LGinwMTum4F6RlRC4B0CchDxXIlQ3ORY.95HEsLdAEuGLkRWl3bxAh2yFX5GQSrZfZe43VtG1a3NxT0uYzUz.bfdFkYsBEcQF_ZkzlEcVKHryPIiWmYWNbRUDJYJH1ZaJvN3mLJJ4HvPFa0jguHJsi5VMbKZmu4zmd2jF.j0rhztxazxz9t7lpLK8x0MDxe3DZaY4nEzhrZih5rxzja28ILU0_3NVDP2319GBwxiaU.cnpunTKgs9LFE3GsebNSnjA5EJXABeRKwAWGU.m51PcUKZXiQvam882jluOmWjqT1I1X2wxvYfJJLS2yCil5pt313JFdQUaKNy4GLGMnwI1exerB2yTEfzogdyqv4Jy121kPdN196MNiyR0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f8238e3babd641';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\/8214675930?__cf_chl_rt_tk=kC3VmJBCBKGO81kjWIqwNhs4bLYjoRk9_M_ri72aCwk-1739148981-1.0.1.1-a16t1WM9dcNP3gs4AXSepojil5jRpzbhSi5ClmJJPiA" + 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